Leviathan and Anahita

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Leviathan and Anahita
Leviathan and Anahita.png
Statistics
TypeBossAquatic
EnvironmentOcean
Max Life95,000 / 152,000 Expert Mode / 182,400 Revengeance Mode / 228,000 Master Mode / 273,600 Revengeance Mode Master Mode (Total)
KB Resist100%

Leviathan Trophy.png "Although she claims dominion over all the world's oceans, in truth she is a recluse of the deep." Anahita Trophy.png

If you were looking for something other than Anahita or the Leviathan, see Anahita (disambiguation) and Leviathan (disambiguation).

The Leviathan and Anahita are a duo of bosses that can be fought at any point in the game, but is intended to be fought during Hardmode. It is recommended that the player acquire post-Plantera equipment before engaging the bosses, as they are very challenging and require the management of two boss-tier enemies with several summons all at once.

Spawn

To begin the boss fight, the player has to kill the ??? in the Ocean. Doing this will spawn just Anahita at first, and The Leviathan herself will only spawn once Anahita reaches 40% health.

Bosses

The Leviathan
Leviathan.png
Leviathan map.png
Map icon
Statistics
TypeBossAquatic
EnvironmentOcean
DamageThis attack will cause defense damage on hit. 90 / 216 Expert Mode / 240 Revengeance Mode / 252 Death Mode / 324 Master Mode (Contact)
This attack will cause defense damage on hit. 100 / 172 Expert Mode / 208 Revengeance Mode / 228 Death Mode / 300 Master Mode (Meteor)
Max Life60,000 / 96,000 Expert Mode / 115,200 Revengeance Mode / 144,000 Master Mode / 172,800 Revengeance Mode Master Mode
Defense40
80 (when enraged)
DR35%
KB Resist100%
Inflicts debuffBleedingBleeding
100% chance

Debuff duration10 seconds (Contact)
Debuff tooltipCannot regenerate life
Inflicts debuffArmor CrunchArmor Crunch
100% chance

Debuff duration5 seconds (Meteor)
Debuff tooltipYour armor is shredded
Immune toPearl AuraConfused
Anahita
Anahita.png
Anahita
Map icon
Statistics
TypeBossAquatic
EnvironmentOcean
DamageThis attack will cause defense damage on hit. 70 / 112 Expert Mode / 136 Revengeance Mode / 144 Death Mode / 192 Master Mode (Contact)
This attack will cause defense damage on hit. 105 / 168 Expert Mode / 204 Revengeance Mode / 216 Death Mode / 288 Master Mode (Charge)
80 / 140 Expert Mode / 160 Revengeance Mode / 176 Death Mode / 234 Master Mode (Water Spear)
84 / 148 Expert Mode / 172 Revengeance Mode / 188 Death Mode / 252 Master Mode (Frost Mist)
88 / 156 Expert Mode / 184 Revengeance Mode / 200 Death Mode / 270 Master Mode (Treble Clef)
Max Life35,000 / 56,000 Expert Mode / 67,200 Revengeance Mode / 84,000 Master Mode / 100,800 Revengeance Mode Master Mode
Defense25
37 (when enraged above half health)
50 (when enraged below half health)
DR20%
KB Resist100%
Inflicts debuffFrostburnFrostburn
100% chance

Debuff duration3 seconds (Frost Mist)
Debuff tooltipIt's either really hot or really cold. Either way it REALLY hurts
Inflicts debuffChilledChilled
100% chance

Debuff duration1.5 seconds (Frost Mist)
Debuff tooltipYour movement speed has been reduced
Inflicts debuffDazedDazed
100% chance

Debuff duration2 seconds (Treble Clef)
Debuff tooltipMovement is greatly slowed
Immune toConfusedPearl AuraGlacial StateFrostburnFrostbite
Cold-
WaterResistant
SicknessVulnerable
ElectricityVulnerable
HeatResistant

Behavior

This boss encounter is made up of two individual bosses: Anahita and The Leviathan. Both enemies must be defeated to count as a full kill and receive loot.

At the start of the battle, only Anahita is summoned. Once she reaches 40% health, she dives to the floor and becomes invisible and invulnerable and stops attacking the player. During this time, a brief sequence plays in which the screen rumbles and the ocean's water churns, then the Leviathan spawns rising from the water. Once The Leviathan reaches 40% health, Anahita returns to the fight and both bosses become active simultaneously for the remainder of the fight until they are killed.

If the player leaves the Ocean biome during the battle, the bosses will enrage, greatly increasing Anahita's fire rate and both Anahita and the Leviathan's movement and projectile speed.

Anahita

Anahita loosely hovers over the player and attacks them using a semi-random attack pattern consisting of projectile rings, homing bubbles, and dashes. She also spawns with an Ice Shield that blocks non-minion piercing projectiles and protects her from damage until it is destroyed, which respawns when Anahita reaches 70% and 40% health. Anahita's movement, attack, and projectile speed increases the lower her health is.

  • Phase 1 (100-70% HP)
    • Summons a ring of projectiles around the player in a radial pattern that then converge inward. These can consist of:
      • 8 Water SpearWater Spears, which continue to travel in a straight line after converging.
      • 3 Frost MistFrost Mists, which home on the player for one second after converging and inflict the Frostburn and Chilled debuffs.
      • 6 Treble ClefTreble Clefs, which rapidly lose speed and become stationary, lingering for an extended period of time, and inflict the Dazed debuff.
        • Projectile rings will always be used in the looping order of Water Spears, then Frost Mists, then Treble Clefs.
    • After every 2 sets of projectile rings, fires a stream of 5 Detonating Bubbles, which home in on the player and inflict the Wet debuff for 7 seconds. These bubbles can be destroyed by any attack.
  • Phase 2 (70-40% HP)
    • Anahita's behavior remains the same, with the exception that her projectile rings contain more projectiles and have a smaller diameter, spawning closer to the player.
      • The number of Water Spears increases from 8 to 12, the number of Frost Mists increases from 3 to 4, and the number of Treble Clefs increases from 6 to 9.
  • Phase 3 (>20% HP and the Leviathan is present)
    • Anahita's behavior returns to that of phase 1, with the exception that Anahita, her attack speed, and all of her projectiles are slower.
  • Phase 4 (<20% HP or <40% HP and the Leviathan is dead)
    • Anahita's behavior returns to that of phase 2, and her movement, attack, and projectile speed returns to normal. Additionally, she only summons 1 ring of projectiles between Detonating Bubbles and also gains a charging attack she can use in place of and/or alongside Detonating Bubbles.
      • Backs off from the player slightly before charging at them 3 times. Anahita lines up her 1st and 3rd charges from the top left or top right of the player, and her 2nd charge from the left or right of the player.
      • Anahita has an equal chance of either charging or firing Detonating Bubbles, and each attack after this has an equal chance of having her continue to alternate between charging and firing bubbles or having her return to summoning projectile rings.

The Leviathan

The Leviathan hovers to the side of the player and attacks them by spitting meteors, spawning Aquatic Aberrations, and occasionally charging at the player. The lower the Leviathan's health is, the faster she moves and the less time she spends spitting meteors at the player.

  • Phase 1 (100-70% HP)
    • Spits a steady stream of large meteors at the player that inflict the Armor Crunch debuff for 5 seconds.
      • Meteors cannot be angled more than 30 degrees above or below the direction the Leviathan is facing.
      • The Leviathan slowly and steadily tries to hover to the side of the player during this attack.
      • As the Leviathan's health decreases, less time is spent performing this attack, although its rate of fire remains the same.
    • Sits still and spawns Aquatic Aberrations to attack the player.
      • The Leviathan tries to spawn 4 Aquatic Aberrations per cycle, and can't spawn any more if 3 already exist.
      • The Leviathan quickly and loosely tries to hover to the side of the player during this attack if they're far away.
      • The Leviathan constantly cycles between spitting Leviathan BombMeteors and spawning Aquatic Aberrations.
  • Phase 2 (70-40% HP)
    • No change occurs during this phase on Normal mode. Other difficulties feature changes to behavior at this phase.
  • Phase 3 (>20% HP and Anahita is present)
    • The Leviathan's speed decreases greatly and she hovers further away from the player.
    • The fire rate of the Leviathan's meteor spit is halved, and the meteors move slower.
    • The Leviathan spends much less time spawning Aquatic Aberrations, only able to spawn up to 1 per cycle. Additionally, the Leviathan can't spawn any Aquatic Aberrations during this phase if 1 already exists.
  • Phase 4 (<20% HP or <40% HP and Anahita is dead)
    • The Leviathan's speed, meteor spit, and ability to spawn Aquatic Aberrations returns to normal. Additionally, she gains a charging attack where she lines up to the side of the player before charging at them in a horizontal line.
      • The Leviathan's charges become faster and shorter the lower her health is.
      • During phases where the Leviathan can charge at the player, she can randomly select any of her attacks she hasn't just used, and she also hovers closer to and above the player when spawning Aquatic Aberrations.

In Expert Mode

  • Anahita and The Leviathan can now also charge at the player during phase 2.
  • Anahita's projectile rings spawn closer to the player.
  • The Leviathan's charges are faster.

In Revengeance Mode

  • Anahita's and the Leviathan's charges are faster, and Anahita spends less time between charges.

In Death Mode

  • The Leviathan now spawns instantly, and Anahita joins the battle when the Leviathan reaches 70% HP instead of 40%.
  • Anahita and the Leviathan can always use their charge attacks regardless of their current phase.
    • During phase 3, The Leviathan's charges are longer, Anahita's charges are slower, and Anahita only charges 2 times.
  • The Leviathan transitions into Phase 2 immediately instead of at 70% health.
  • The Leviathan transitions into Phase 3 at 70% health instead of 40%.
  • The Leviathan and Anahita transition into Phase 4 at 40% health instead of 20%.
  • Anahita fires 4 Detonating Bubbles at a time instead of 5.
  • Anahita's projectile rings spawn even closer to the player during Phase 4.
  • The Leviathan now performs 1 charge in Phase 2, 2 charges in Phase 2 and 3, and 3 charges in Phase 4.
  • The Leviathan spends less time spawning Aquatic Aberrations, only able to spawn up to 3 per cycle instead of 4.
  • The Leviathan's spawn cap for Aquatic Aberrations is 2 instead of 3.
  • Aquatic Aberrations now push themselves away from each other.

On the For the worthy seed

  • Anahita and her Ice Shield are 20% smaller.
  • The Leviathan and her Aquatic Aberrations are 30% larger.
  • Anahita moves and accelerates 15% faster.
  • The Leviathan charges 15% faster.
  • Detonating Bubbles are 15% faster.

Summons

Ice Shield
Ice Shield.png
Statistics
TypeFlying Enemy
EnvironmentOcean
Damage55 / 110 Expert Mode / 126 Revengeance Mode / 136 Death Mode / 165 Master Mode
Max Life650 / 1300 Expert Mode / 1950 Master Mode
Defense10
DR50%
KB Resist100%
Inflicts debuffFrostburnFrostburn
100% chance

Debuff duration4 seconds
Debuff tooltipIt's either really hot or really cold. Either way it REALLY hurts
Immune toConfusedPearl AuraGlacial StateFrostburnFrostbite
ColdResistant
Water-
SicknessResistant
Electricity-
HeatVulnerable
Image Name Condition
Detonating Bubble Detonating Bubble Anahita is active
Aquatic Aberration Aquatic Aberration The Leviathan is active

Resistances

  • The Leviathan take reduced damage from most non-minion piercing projectiles. Each hit decreases the damage of the next hit by 12%, until the eighth hit onwards which deal 20% of original damage.

Aftermath

Notes

  • Even though the summon appears even at the very beginning of the game, it's not recommended to fight this boss until later in Hardmode.
  • Anahita's frost shield deletes projectiles on contact. This means some projectiles will fail to function correctly, such as the SHPC's primary fire.
  • In the possible, though unlikely circumstance that the Leviathan and Anahita are lured to the Sulphurous Sea biome, it will be considered as the Ocean and they will not be enraged.
  • Both Anahita and the Leviathan will each drop 5-15 Greater Healing Potions separately when killed.
  • When players have the Wet debuff, Anahita's projectiles have a lower velocity.
  • Even with Anahita's many resistances, they are neither immune to the Poisoned nor the On Fire! debuffs.

Tips

For more elaborate strategies on defeating Leviathan and Anahita, including weapon and arena recommendations, see Guide:Leviathan and Anahita strategies.
  • Making 3-4 layers of platforms that are the whole length of the Ocean may make it easier to dodge their attacks.
  • Once the Leviathan has reached 50% of her health, care should be taken to be aware of where she is as she will start charging the player. Should she be on the left or right side of the player, it is important to dodge it either moving down or above where the Leviathan is going.
  • Because the Leviathan's meteors are launched from her mouth, caution should be taken when moving past her while she is in the middle of firing. The spot where the meteors come from will flip sides suddenly when the Leviathan turns around to face the player, and due to her massive size, this can lead to meteors coming from the direction they are moving in.
  • Using Water Candle, Chaos Candle, Battle, and Zerg buffs in combination will make ??? spawn over 5x more often, making the bosses much more readily available.
    • This will also increase the spawn rate of ocean enemies, so be cautious.

Trivia

  • Anahita's theme is Siren's War Cry, which was composed by the artist DM DOKURO.
    • Siren's War Cry is the only Calamity theme to not be featured in its own video, instead only appearing in an "Extended" version alongside the other themes for Leviathan and Anahita. This is due to the fact that Siren's War Cry was made sometime after the other two themes, in response to a rework to the fight which now included Anahita being fought on her own.
  • When The Leviathan appears, the theme changes to Forbidden Lullaby, which was also composed by DM DOKURO.
    • If the Calamity Music add-on mod is disabled, Boss 3 will play instead for Leviathan and Anahita.
  • The dual nature of the fight took inspiration from the Ornstein and Smough fight from Dark Souls.
  • In previous versions of the mod, Anahita had two color schemes with one randomly being chosen upon her spawning. Some of her features would be either greener or more blue. This was the reasoning for the Aquatic Heart having two variants based on color.
  • Anahita was previously named The Siren. Prior to that, she was known as the Siren Lure.
  • If the Boss Checklist Mod is installed, their unique despawn message will be "The aquatic outcasts return to their lonesome company."

BestiaryBestiary entries

  • Anahita: "Once a resident of the Abyss, she left it long ago due to Silva’s influence spreading through her former home. She wishes to see all overtaken by the ocean, so that her domain may encompass the world. Such is the nature of all elementals."
  • The Leviathan: "A gargantuan marine reptile that lurks the ocean depths along with the Water Elemental, Anahita. It is unknown if she is the last of her kind, or was simply manifested into existence like her master."

History

These history sections are still a work-in-progress, and may not yet contain changes relevant to the current version of the Calamity Mod.
  • 2.0.3.007:
    • Ice Shield no longer deletes projectiles.
    • Fixed Anahita's bestiary entry using the wrong apostrophe.
    • Fixed Ice Shield despawning due to distance.
  • 2.0.3.005: No longer drop Bottomless Water Bucket, Super Absorbant Sponge, Hotline Fishing Hook, Fishing Potions, Sonar Potions, or Crate Potions.
  • 2.0.3.003: Fixed The Leviathan using a Deadly Sphere sound as one of her idle sounds.
  • 2.0.3.002:
    • Ice Shield is now affected by the Boss Health Boost Percentage configuration option.
    • The Leviathan now has a global pierce resistance.
    • Changed the word "Elemental" in Anahita's bestiary entry to be lower case.
  • 2.0.3.001:
    • Buffed Anahita's health from 34,700 / 55,520 Expert Mode / 66,560 Revengeance Mode / 83,280 Master Mode / 99,840 Revengeance Mode Master Mode to 35,000 / 56,000 Expert Mode / 67,200 Revengeance Mode / 84,000 Death Mode / 100,800 Master Mode.
    • Nerfed The Leviathan's health from 60,560 / 96,896 Expert Mode / 116,275 Revengeance Mode / 145,200 Master Mode / 174,144 Revengeance Mode Master Mode to 60,000 / 96,000 Expert Mode / 115,200 Revengeance Mode / 144,000 Master Mode / 172,800 Revengeance Mode Master Mode.
    • Vanilla boss health bar now displays combined health when both are alive, and individual health when only one is alive.
    • Anahita now displays a shield bar when her Ice Shield is active on the vanilla boss health bar.
    • Forbidden Lullaby now begins playing when Anahita disappears instead of when Leviathan appears, and now persists for the rest of the fight.
  • 2.0.2.002:
    • Changed Boss Checklist Mod despawn message from "The aquatic entities sink back beneath the ocean depths." to "The aquatic outcasts return to their lonesome company."
    • Anahita and The Leviathan now properly display vanilla debuff colors and Hunter Potion effects.
    • Fixed Anahita's Ice Shield being able to appear translucently behind world objects and backgrounds.
  • 2.0.2.001:
    • Music Note projectiles now inflict Dazed instead of Confused.
    • Changed The Leviathan's Bestiary entry from "A gargantuan marine reptile that has lurked the ocean depths for almost a millennium. It is unknown if she is the last of her kind, and as despicable as it is, let us pray that she is." to "A gargantuan marine reptile that lurks the ocean depths along with the Water Elemental, Anahita. It is unknown if she is the last of her kind, or was simply manifested into existence like her master."
  • 2.0.1.003: Anahita now has a 2-second custom spawn cooldown during Boss Rush.
  • 2.0.1.002:
    • Added spawn rumble and spawning sounds for The Leviathan.
    • Anahita is now immune to Frostbite.
    • The Leviathan takes up to 50% longer to switch between attacks.
    • The Leviathan spawns one less Aquatic Aberration.
    • The Leviathan now spawns Aquatic Aberrations 33.33% more frequently during non-final phases, but half as frequently in the final phase.
    • Fixed them not properly counting as being defeated if The Leviathan is defeated first.
  • 2.0.0.001: The Leviathan now cycles through her attacks randomly if she is able to charge. She will never do the same attack twice in a row.
  • 1.5.1.001:
    • Buffed Anahita health from 27,400 / 43,840 Expert Mode / 66,560 Revengeance Mode to 34,700 / 55,520 Expert Mode / 66,560 Revengeance Mode.
    • Buffed Anahita Frost Mist damage from 72 / 116 Expert Mode / 136 Revengeance Mode / 144 Death Mode to 84 / 148 Expert Mode / 172 Revengeance Mode / 188 Death Mode.
    • Buffed Anahita Treble Clef damage from 72 / 116 Expert Mode / 136 Revengeance Mode / 144 Death Mode to 88 / 156 Expert Mode / 184 Revengeance Mode / 200 Death Mode.
    • Buffed Anahita Water Spear damage from 72 / 116 Expert Mode / 136 Revengeance Mode / 144 Death Mode to 80 / 140 Expert Mode / 160 Revengeance Mode / 176 Death Mode.
    • Buffed Leviathan health from 55,200 / 88,320 Expert Mode / 116,096 Revengeance Mode to 60,560 / 96,800 Expert Mode / 116,096 Revengeance Mode.
    • Buffed Leviathan Meteor damage from 88 / 140 Expert Mode / 160 Revengeance Mode / 172 Death Mode to 100 / 172 Expert Mode / 208 Revengeance Mode / 228 Death Mode.
    • The Leviathan no longer spawns Paraseas.
    • The Leviathan now fires meteors directly from the mouth.
    • Nerfed The Leviathan meteor firing rate in the final phase by 33.33%.
    • Now vulnerable to electricity and sickness debuffs, but resistant to water and heat debuffs.
    • Ice Shield is now vulnerable to heat debuffs but resistant to cold and sickness debuffs.
    • Death Mode changes:
      • Anahita and Leviathan can always use their charge attacks regardless of phases.
      • Anahita transitions into Phase 4 at 40% health instead of 20%.
      • The Leviathan now spawns instantly.
      • The Leviathan transitions into Phase 2 immediately instead of at 70% health.
      • The Leviathan transitions into Phase 3 at 70% health instead of 40%.
      • The Leviathan transitions into Phase 4 at 40% health instead of 20%.
      • The Leviathan now performs 1 charge in Phase 2, 2 charges in Phase 3, and 3 charges in Phase 4 instead of 2 charges in all phases.
      • Decreased the maximum amount of Aquatic Aberration spawns from 4 to 3.
    • Now drops Leviathan Ambergris regardless of world difficulty.
  • 1.5.0.003: Fixed a bug that prevented The Leviathan from spawning.
  • 1.5.0.001:
    • Anahita is no longer immune to any debuffs except Confused, Pearl Aura, Glacial State, and Exo Freeze.
    • Leviathan is no longer immune to any debuffs except Confused and Pearl Aura.
    • The Leviathan now utilizes 3 separate hitboxes for her head, tail, and body. All three hitboxes share the same immunity frame timer.
    • Added a custom spawn animation for The Leviathan.
    • Nerfed Boss Rush health from 9,600,000 / 15,360,000 Expert Mode to 960,000 / 1,536,000 Expert Mode.
    • Leviathan now inflicts Bleeding for 4 seconds instead of Wet.
    • Anahita no longer inflicts any debuffs.
    • Leviathan's meteors now create less dust.
    • Removed a stray white pixel on The Leviathan's sprite.
  • 1.4.5.004:
    • No longer become invincible and instead enrage when leaving the Ocean.
    • Decreased the maximum amount of Paraseas that the Leviathan spawns from 2 to 1 when not enraged and from 4 to 3 when enraged.
  • 1.4.5.003:
    • Anahita in Death Mode now has increased velocity and spends less time firing bubbles towards the player.
    • The Leviathan now charges twice in a row in Death Mode and moves faster.
    • Both can no longer charge at the player from the beginning of the fight in Death Mode.
    • Buffed The Leviathan contact damage from 90 / 153 Expert Mode / 191 Revengeance Mode / 219 Death Mode to 90 / 216 Expert Mode / 240 Revengeance Mode / 252 Death Mode.
    • Nerfed Anahita contact damage from 70 / 119 Expert Mode / 148 Revengeance Mode / 170 Death Mode to 70 / 112 Expert Mode / 136 Revengeance Mode / 144 Death Mode.
    • Buffed Anahita charging contact damage from 70 / 119 Expert Mode / 148 Revengeance Mode / 170 Death Mode to 105 / 168 Expert Mode / 204 Revengeance Mode / 216 Death Mode.
    • Fixed a bug that prevented The Leviathan from spawning correctly in multiplayer.
    • Fixed a visual error that caused The Leviathan's sprite to flash brightly in multiplayer.
  • 1.4.5.002:
    • Nerfed The Leviathan's health from 69,000 / 110,400 Expert Mode / 145,120 Revengeance Mode to 55,200 / 88,320 Expert Mode / 116,096 Revengeance Mode.
    • Both are no longer immune to the Life Drain debuff.
    • Added new sound effects for the Leviathan.
    • Fixed a bug that caused them to not be spawnable in multiplayer.
  • 1.4.5.001:
    • Renamed "The Siren" to "Anahita".
    • Boss fight has been reworked. Anahita's projectiles are more aggressive depending on world difficulty.
    • Anahita now fires water bolts that converge at the player's location.
    • Anahita's Ice Shield now only spawns three times in the fight, at 100%, 70%, and 40% health.
    • Anahita begins charging at the player below 70% health.
    • Leviathan is now summoned when Anahita reaches 40% health on all difficulties.
    • Anahita becomes passive and invulnerable while Leviathan is above 40% health.
    • Leviathan's meteors now inflict Armor Crunch.
    • No longer immune to War Cleave.
    • Resprited.
  • 1.4.4.001: Reduced The Siren's charge distance.
  • 1.4.3.002:
    • The Leviathan's speed at which she vertically lines up with the player now increases at 66% Revengeance Mode and 33% Revengeance Mode health instead of 25% Revengeance Mode and 10% Revengeance Mode.
    • The Leviathan and The Siren are no longer immune to Astral Infection, Celled, Dryad's Bane, or Oiled.
    • Fixed The Leviathan moving too high up when lining up her charge.
  • 1.4.3.001:
    • Nerfed The Leviathan's contact damage from 90 / 153 Expert Mode / 191 Revengeance Mode / 219 Death Mode to 90 / 153 Expert Mode / 175 Revengeance Mode / 189 Death Mode.
    • Nerfed Ice Shield's damage from 55 / 110 Expert Mode / 137 Revengeance Mode / 158 Death Mode to 55 / 110 Expert Mode / 126 Revengeance Mode / 136 Death Mode.
    • Nerfed The Siren's contact damage from 70 / 119 Expert Mode / 148 Revengeance Mode / 171 Death Mode to 70 / 119 Expert Mode / 136 Revengeance Mode / 147 Death Mode.
    • Nerfed The Leviathan's meteor damage from 80 / 132 Expert Mode / 165 Revengeance Mode / 189 Death Mode to 80 / 132 Expert Mode / 151 Revengeance Mode / 163 Death Mode.
    • Nerfed The Siren's water spear, frost mist, and musical note damage from 64 / 104 Expert Mode / 130 Revengeance Mode / 149 Death Mode to 64 / 104 Expert Mode / 119 Revengeance Mode / 128 Death Mode.
    • The Leviathan and The Siren are no longer immune to Betsy's Curse.
    • The Leviathan charges 25% slower while The Siren is alive.
    • Death Mode changes:
      • The Leviathan transitions into Phase 2, 3, and 4 immediately instead of below 50%, 25%, and 10% health.
      • The Leviathan now fully behaves as if The Siren is defeated at all times.
      • The Leviathan now fires meteor bombs for twice as long.
      • The Siren transitions into Phase 2 immediately instead of below 66% health.
      • The Siren transitions into Phase 3 below 66% health instead of 33%.
      • Decreased The Siren projectile firing rate in the first 2 phases.
  • 1.4.2.109: Frost Mist projectiles are now affected by the Warmth Potion.
  • 1.4.2.107: Now always drop all of their items instead of only dropping them in Hardmode, and no longer drop Enchanted Pearl.
  • 1.4.2.106:
    • Nerfed Ice Shield's Boss Rush health from 400,000 / 800,000 Expert Mode to 10,000 / 20,000 Expert Mode.
    • Nerfed The Leviathan's Boss Rush health from 12,800,000 Death Mode to 12,000,000 Death Mode.
    • Buffed The Siren's contact damage from 112 Expert Mode to 119 Expert Mode, and nerfed defense from 25 to 20.
    • Buffed The Leviathan's contact damage from 144 Expert Mode to 153 Expert Mode, and nerfed meteor damage from 96 to 80.
    • Buffed Ice Shield's damage from 45 to 55.
    • The Siren's Frost Mists no longer home while The Leviathan is alive.
    • While The Siren isn't present, The Leviathan can now only spawn up to 6 Paraseas and 2 Aquatic Aberrations at a time instead of 10 and 4.
    • While The Siren is present, The Leviathan can now only spawn up to 3 Paraseas and 2 Aquatic Aberrations at a time instead of 5 and 2.
  • 1.4.2.105:
    • Nerfed The Leviathan's defense while enraged from 80 to 60.
    • Improved The Siren's charging behavior and overall movement.
    • All of The Siren's projectiles now pierce through the player.
  • 1.4.2.104: Resprited The Leviathan's meteors.
  • 1.4.2.103: The Siren's Ice Mists and Water Spears now have afterimages.
  • 1.4.2.101: Fixed The Siren latching onto the player and stun locking them.
  • 1.4.2.001:
    • Buffed The Siren's health from 23,800 / 38,080 Expert Mode / 57,920 Revengeance Mode / 81,600 Death Mode to 27,400 / 43,840 Expert Mode / 66,560 Revengeance Mode / 93,840 Death Mode.
    • Nerfed The Siren's Boss Rush health from 4,100,000 / 6,560,000 Expert Mode / 7,200,000 Death Mode to 2,600,000 / 4,160,000 Expert Mode / 4,480,000 Death Mode.
    • Buffed The Leviathan's health from 60,000 / 96,000 Expert Mode / 126,240 Revengeance Mode / 264,000 Death Mode to 69,000 / 110,400 Expert Mode / 145,120 Revengeance Mode / 303,600 Death Mode.
    • Changed The Leviathan's Boss Rush health from 7,300,000 / 11,680,000 Expert Mode / 13,120,000 Death Mode to 7,000,000 / 11,200,000 Expert Mode / 14,400,000 Death Mode.
    • The Community now drops from their Treasure Bag instead of directly from Siren and Leviathan.
    • The Siren now has gores.
    • The Siren's Ice Mist projectiles now produce less dust.
    • Projectiles now have more descriptive names.
    • Resprited The Siren, music notes, and Water Spears.
  • 1.4.1.003:
    • Decreased Siren minimum coin drop amount from 30 Gold Coin to 15 Gold Coin.
    • Decreased Leviathan minimum coin drop amount from 30 Gold Coin to 15 Gold Coin.
    • Buffed The Siren's contact damage from 60 / 96 Expert Mode to 70 / 112 Expert Mode.
    • Buffed The Leviathan's contact damage from 75 / 120 Expert Mode to 90 / 144 Expert Mode.
    • The Leviathan no longer becomes less aggressive if the player is wet.
    • Buffed Ice Shield's damage from 30 / 60 Expert Mode to 45 / 90 Expert Mode.
  • 1.4.1.002:
    • Decreased The Leviathan's speed.
    • Increased the distance from the player at which The Leviathan starts her charge.
    • Increased the distance from the player at which The Siren starts her charge.
    • Decreased the speed of The Siren's Frost Mists.
  • 1.4.1.001:
    • Buffed The Siren's Boss Rush health from 3,700,000 / 5,920,000 Expert Mode / 6,720,000 Death Mode to 4,100,000 / 6,560,000 Expert Mode / 7,200,000 Death Mode.
    • Buffed The Leviathan's Boss Rush health from 6,700,000 / 10,720,000 Expert Mode / 12,160,000 Death Mode to 7,300,000 / 11,680,000 Expert Mode / 13,120,000 Death Mode.
    • Buffed Boss Rush damage modifier from 3.5x to 3.75x.
    • The Leviathan now starts her charge further away from the player.
    • Increased Frostburn duration from Ice Shield and Frost Mists from 2.5 seconds to 4.
    • Frost Mists now inflict Chilled and Frozen.
    • Increased Confused duration from Music Notes from 1 second to 2.
    • Both no longer take 50% damage from Crystal Bullet shards, Holy Arrow stars, split Terra Arrows, and split Terra Bullets.
    • Fixed The Leviathan considering The Siren as still alive even if The Siren had been killed.
  • 1.4.0.001:
    • The Siren:
      • Buffed health from 23,800 / 38,080 Expert Mode / 55,142 Revengeance Mode / 76,800 Death Mode to 23,800 / 38,080 Expert Mode / 57,920 Revengeance Mode / 81,600 Death Mode.
      • Buffed Ice Shield health from 500 / 1000 Expert Mode to 650 / 1300 Expert Mode.
      • Nerfed damage reduction from 10% to 5%, and Ice Shield damage reduction from 75% to 50%.
      • Lowered projectile fire rate.
      • Adjusted the dusts on ice mist.
    • The Leviathan:
      • Buffed health from 60,000 / 96,000 Expert Mode / 114,880 Revengeance Mode / 240,000 Death Mode to 60,000 / 96,000 Expert Mode / 126,240 Revengeance Mode / 264,000 Death Mode.
      • Nerfed damage reduction from 50% to 35%.
      • Now charges at the player when below 50% health.
      • Increased the size of meteors.
      • Meteors now fade in.
  • 1.3.4.103: The Siren now only spawns Siren Clones in Revengeance Mode and higher.
  • 1.3.4.101:
    • Buffed The Siren health from 23,800 / 38,080 Expert Mode / 45,952 Revengeance Mode / 64,000 Death Mode to 23,800 / 38,080 Expert Mode / 55,142 Revengeance Mode / 76,800 Death Mode.
    • Nerfed Siren damage reduction from 30% to 10%.
  • 1.3.4.001:
    • Changed The Siren health from 21,000 / 33,600 Expert Mode / 40,000 Revengeance Mode / 76,000 Death Mode to 23,800 / 38,080 Expert Mode / 45,952 Revengeance Mode / 64,000 Death Mode.
    • Nerfed The Leviathan health from 79,000 / 126,400 Expert Mode / 140,800 Revengeance Mode / 352,000 Death Mode to 60,000 / 96,000 Expert Mode / 114,880 Revengeance Mode / 240,000 Death Mode.
    • Nerfed Ice Shield health from 800 / 1600 Expert Mode to 500 / 1000 Expert Mode.
    • The Siren now switches phases quicker.
    • Now drops their own lore item.
    • Both Siren and Leviathan now take 50% damage from Crystal Bullet shards, Holy Arrow stars, split Terra Arrows, and split Terra Bullets.
  • 1.3.3.011:
    • The Siren's notes no longer produce dust.
    • Resprited Frost Mist, Treble Clefs, and Water Spears spawned by The Siren.
  • 1.3.3.002: Can now drop their normal loot if Calamitas has been defeated.
  • 1.3.3.001: Now remove the early-Hardmode nerf to enemy health and damage when defeated.
  • 1.3.2.001:
    • Nerfed The Siren's contact damage from 80 / 128 Expert Mode to 60 / 96 Expert Mode.
    • Nerfed The Leviathan's contact damage from 100 / 160 Expert Mode to 75 / 120 Expert Mode.
    • Nerfed water spear, treble clef, and ice mist damages from 120 / 180 Expert Mode / 189 Revengeance Mode / 270 Death Mode to 64 / 105 Expert Mode / 110 Revengeance Mode / 157 Death Mode.
    • Nerfed Leviathan meteor damage from 150 / 204 Expert Mode to 96 / 132 Expert Mode.
    • Changed Ice Shield's health from 1000 / 1200 Expert Mode to 800 / 1600 Expert Mode, and nerfed damage from 80 / 80 Expert Mode to 30 / 60 Expert Mode.
    • The Leviathan no longer starts rain upon spawning.
    • The Leviathan is now much smaller.
    • Both are now immune to Exo Freeze, but no longer immune to Abyssal Flames, Armor Crunch, Cursed Inferno, Daybroken, Demon Flames, God Slayer Inferno, Holy Flames, Marked for Death, Nightwither, Plague, Shred, or Whispering Death.
    • Fixed a size scaling bug with The Leviathan.
  • 1.3.1.001:
    • The Siren now charges half as often.
    • Optimized the code for the internal check for The Siren's spawning of The Leviathan.
    • Reduced the speed of The Siren's water spears.
    • Nerfed The Leviathan's defense from 45 to 40, and damage reduction from 60% to 50%.
    • Decreased the size of The Leviathan's hitbox.
  • 1.3.0.001:
    • The Leviathan and The Siren are no longer immune to Exo Freeze.
    • The Leviathan can now be homed in on.
    • Resprited The Siren's map icon.
  • 1.2.4.201:
    • Nerfed The Siren's Death Mode health from 100,000 Death Mode to 76,000 Death Mode.
    • Slightly decreased projectile fire rate for The Siren when below 10% health.
  • 1.2.4.101:
    • Buffed the Siren's Death Mode health from 48,000 Death Mode to 100,000 Death Mode.
    • Buffed the Leviathan's Death Mode health from 152,000 Death Mode to 352,000 Death Mode.
  • 1.2.4.002:
    • Buffed Leviathan health from 52,000 / 83,200 Expert Mode / 88,000 Revengeance Mode / 104,000 Death Mode to 79,000 / 126,400 Expert Mode / 140,800 Revengeance Mode / 152,000 Death Mode.
    • The Siren now cycles through phases quicker.
    • Reduced dust on the Siren when hit.
    • Frost mist now emits particles twice as often.
  • 1.2.4.001:
    • The Siren now cycles between phases quicker.
    • The Siren now has a 50% chance to spawn with an alternate, more green, sprite.
  • 1.2.3.008:
    • Buffed The Leviathan's health from 42,000 / 67,200 Expert Mode / 72,000 Revengeance Mode / 84,800 Death Mode to 52,000 / 83,200 Expert Mode / 88,000 Revengeance Mode / 104,000 Death Mode, contact damage from 80 / 128 Expert Mode / 160 Revengeance Mode / 192 Death Mode to 100 / 160 Expert Mode / 200 Revengeance Mode / 240 Death Mode, and meteor damage from 110 / 140 Expert Mode / 175 Revengeance Mode / 210 Death Mode to 150 / 220 Expert Mode / 275 Revengeance Mode / 330 Death Mode.
    • Nerfed The Siren's health from 30,000 / 48,000 Expert Mode / 51,200 Revengeance Mode / 64,000 Death Mode to 21,000 / 33,600 Expert Mode / 40,000 Revengeance Mode / 48,000 Death Mode, and buffed contact damage from 60 / 96 Expert Mode / 120 Revengeance Mode / 144 Death Mode to 80 / 128 Expert Mode / 160 Revengeance Mode / 192 Death Mode.
    • Nerfed Ice Shield's health from 1500 / 1800 Expert Mode to 1000 / 1200 Expert Mode, and buffed damage from 20 to 80.
  • 1.2.3.007: Ice Shield now inflicts Frostburn for 3.5 seconds instead of Frozen for 1 second.
  • 1.2.3.004: Fight in Death Mode now begins with both bosses at the same time, along with a Siren Clone.
  • 1.2.3.002:
    • Nerfed the Siren's health from 30,000 / 48,000 Expert Mode / 52,800 Revengeance Mode to 30,000 / 48,000 Expert Mode / 51,200 Revengeance Mode, and she now gets 64,000 Death Mode health in Death Mode.
    • The Leviathan now gets 84,800 Death Mode health in Death Mode.
    • Both are now more aggressive in Death Mode.
  • 1.2.2.001:
    • Nerfed Ice Shield's health from 1900 / 2660 Expert Mode to 1500 / 1800 Expert Mode.
    • Ice Shield now inflicts Frozen for 1 second instead of 2.
    • Frost mist now inflicts Glacial State for 0.5 seconds instead of 1.
  • 1.2.1.002: Can no longer despawn while the player is alive.
  • 1.2.1.001:
    • Nerfed The Leviathan's Revengeance Mode health from 88,000 Revengeance Mode to 72,000 Revengeance Mode.
    • Buffed The Siren's health from 21,000 / 33,600 Expert Mode / 40,000 Revengeance Mode to 30,000 / 48,000 Expert Mode / 52,800 Revengeance Mode.
  • 1.2.0.004:
    • Buffed Siren damage reduction from 25% to 33%.
    • Buffed Ice Shield damage reduction from 70% to 75%.
  • 1.2.0.002:
    • The Leviathan no longer fires more meteors if the player has high stress.
    • The Siren's projectiles no longer increase in speed with stress.
    • Can now drop Bottomless Water Bucket, Crate Potions, Fishing Potions, Hotline Fishing Hook, Sonar Potions, and Super Absorbant Sponge.
    • Fixed Siren using Siren's Call as her theme instead of Siren's War Cry.
  • 1.2.0.001:
    • The Siren changes:
      • Now gets 40,000 Revengeance Mode health in Revengeance Mode.
      • Buffed defense from 20 to 25.
      • Buffed Ice Shield's health from 700 / 980 Expert Mode to 1900 / 2660 Expert Mode, and nerfed defense from 20 to 10.
      • Now has 25% damage reduction.
      • Ice Shield now has 70% damage reduction.
      • Ice Shield no longer deflects projectiles.
      • Decreased her speed while The Leviathan is alive.
      • Now switches through attack modes quicker in Revengeance Mode.
      • Damage and defense are now multiplied by 3 if The Leviathan is not present.
      • Upon reaching 50% health, The Leviathan will spawn.
      • Now spawns Siren Clones. One will spawn at 50% health, and another at 25% health.
      • Will now begin charging at the player when below 25% health.
    • The Leviathan changes:
      • Now gets 88,000 Revengeance Mode health in Revengeance Mode.
      • Buffed defense from 40 to 45.
      • Now has 60% damage reduction.
      • Increased overall speed.
      • Now has a cap of 4 Aquatic Aberrations and 6 Paraseas if The Siren has been defeated, and 2 Aquatic Aberrations and 3 Paraseas if she is still alive.
      • Tweaked general speed of her meteors.
      • Increased hitbox size.
    • Siren's War Cry now plays while The Siren is alive, and Leviathan has not been summoned yet.
    • Forbidden Lullaby now plays once The Leviathan is summoned.
    • No longer immune to Ichor.
    • Now have a 2% Revengeance Mode chance to drop Laudanum or Stress Pills in Revengeance Mode.
    • Resprited Siren and Ice Shield.
  • 1.1.7.901:
    • The Siren changes:
      • Renamed Siren Lure to The Siren.
      • Changed health from 30,000 / 33,000 Expert Mode to 21,000 / 33,600 Expert Mode, nerfed contact damage from 85 / 102 Expert Mode to 60 / 96 Expert Mode, and nerfed defense from 30 to 20.
      • Nerfed Ice Shield's health from 1500 to 700 / 980 Expert Mode.
      • Nerfed enraged Detonating Bubble's damage from 100 to 70.
      • Projectile damage value changes while over 75% health:
        • Nerfed Music Note damage from 80 to 60 while dry, and 60 to 52 while wet.
        • Nerfed Frost Mist damage from 76 to 52 while dry, and 56 to 44 while wet.
        • Nerfed Water Spear damage from 72 to 52 while dry, and 52 to 42 while wet.
      • Projectile damage value changes while under 75% health, but above 50%:
        • Nerfed Music Note damage from 84 to 64 while dry, and 64 to 56 while wet.
        • Nerfed Frost Mist damage from 80 to 56 while dry, and 60 to 48 while wet.
        • Nerfed Water Spear damage from 76 to 56 while dry, and 56 to 46 while wet.
      • Projectile damage value changes while under 50% health, but above 25%:
        • Nerfed Music Note damage from 88 to 68 while dry, and 64 to 60 while wet.
        • Nerfed Frost Mist damage from 84 to 60 while dry, and 64 to 56 while wet.
        • Nerfed Water Spear damage from 80 to 60 while dry, and 60 to 50 while wet.
      • Projectile damage value changes while under 25% health:
        • Nerfed Music Note damage from 92 to 72 while dry, and 72 to 64 while wet.
        • Nerfed Frost Mist damage from 88 to 64 while dry, and 68 to 56 while wet.
        • Nerfed Water Spear damage from 84 to 64 while dry, and 64 to 54 while wet.
    • The Leviathan changes:
      • Changed health from 60,000 / 66,000 Expert Mode to 42,000 / 67,200 Expert Mode, contact damage from 110 / 121 Expert Mode to 80 / 128 Expert Mode, and nerfed defense from 50 to 40.
      • Reduced speed of meteors.
  • 1.1.7.859:
    • Nerfed Siren Lure's health from 38,000 / 41,800 Expert Mode to 30,000 / 33,000 Expert Mode and defense from 35 to 30.
    • Nerfed The Leviathan's health from 999,999 to 60,000 / 66,000 Expert Mode, and defense from 99,999 to 50.
    • The Leviathan is now able to be damaged and killed.
      • She will no longer be instantly defeated once Siren Lure is killed.
      • Killing her first will cause Siren Lure to enrage and vice versa.
      • Now drops loot if killed after Siren Lure has.
    • Siren Lure now drops 30 Gold Coin instead of 18 Gold Coin.
  • 1.1.7.801: Now have a 25% / 33% Expert Mode chance for each weapon (and Pearl of Enthrallment) to drop instead of always dropping 1 weapon.
  • 1.1.7.701:
    • Siren Lure changes:
      • Buffed Detonating Bubble damage from 40 / 80 Expert Mode to 60 / 120 Expert Mode.
      • Decreased coin drop amount from 30 Gold Coin to 18 Gold Coin.
      • Decreased speed.
      • Now becomes invincible if the player leaves the Ocean.
      • Projectile damage value changes while over 75% health:
        • Nerfed Music Note damage from 100 / 120 Expert Mode to 80 / 100 Expert Mode while dry, and 80 / 100 Expert Mode to 60 / 88 Expert Mode while wet.
        • Nerfed Frost Mist damage from 104 Expert Mode to 92 Expert Mode while dry, and 84 Expert Mode to 80 Expert Mode while wet.
        • Changed Water Spear damage from 70 / 96 Expert Mode to 72 / 84 Expert Mode while dry, and changed damage from 50 / 76 Expert Mode to 52 / 72 Expert Mode while wet.
      • Projectile damage value changes while under 75% health, but above 50%:
        • Nerfed Music Note damage from 104 / 136 Expert Mode to 84 / 108 Expert Mode while dry, and 84 / 116 Expert Mode to 64 / 96 Expert Mode while wet.
        • Nerfed Frost Mist damage from 112 Expert Mode to 100 Expert Mode while dry, and 92 Expert Mode to 88 while wet.
        • Changed Water Spear damage from 74 / 104 Expert Mode to 76 / 92 Expert Mode while dry, and 54 / 84 Expert Mode to 56 / 80 Expert Mode while wet.
      • Projectile damage value changes while under 50% health, but above 25%:
        • Nerfed Music Note damage from 108 / 140 Expert Mode to 88 / 116 Expert Mode while dry, and 88 / 120 Expert Mode to 68 / 104 Expert Mode while wet.
        • Nerfed Frost Mist damage from 120 Expert Mode to 108 Expert Mode while dry, and 100 Expert Mode to 96 Expert Mode while wet.
      • Projectile damage value changes while under 25% health:
        • Nerfed Music Note damage from 114 / 144 Expert Mode to 92 / 124 Expert Mode while dry, and 94 / 124 Expert Mode to 72 / 112 Expert Mode while wet.
        • Nerfed Frost Mist damage from 90 / 128 Expert Mode to 88 / 116 Expert Mode while dry, and 70 / 108 Expert Mode to 68 / 104 Expert Mode while wet.
        • Nerfed Water Spear damage from 120 Expert Mode to 108 Expert Mode while dry, and 100 Expert Mode to 96 Expert Mode while wet.
    • Leviathan changes:
      • Nerfed meteor damage from 150 / 180 Expert Mode to 110 / 140 Expert Mode while dry, and 130 / 160 Expert Mode to 100 / 120 Expert Mode while wet.
      • Now fires meteors more often.
      • Increased speed.
  • 1.1.7.56:
    • Siren Lure no longer charges, no longer spawns Sharknadoes, and now takes up 8 NPC slots instead of 5.
    • Slightly increased the speed of The Leviathan's meteors.
  • 1.1.7.55:
    • Introduced Ice Shield.
    • The Leviathan is now completely invulnerable.
    • The Leviathan no longer charges at the player, and now stays to the side of them and switches between shooting meteors and summoning Aquatic Aberrations and Paraseas.
    • Siren Lure now spawns Detonating Bubbles instead of Aquatic Aberrations and Paraseas.
    • Siren Lure now has a rare chance to spawn a Sharknado when below 25% health.
    • Resprited The Leviathan and Siren Lure.
  • 1.1.7.5:
    • Nerfed Siren Lure's health from 39,000 / 42,900 Expert Mode to 38,000 / 41,800 Expert Mode, and buffed contact damage from 75 / 90 Expert Mode to 85 / 102 Expert Mode.
    • Nerfed The Leviathan's contact damage from 130 / 156 Expert Mode to 110 / 121 Expert Mode.
    • Buffed Siren Lure's projectile damage values in Expert Mode:
      • Projectile damage value changes while over 75% health:
        • Buffed Music Note damage while dry from 108 Expert Mode to 120 Expert Mode, and damage while wet from 88 Expert Mode to 100 Expert Mode.
        • Buffed Frost Mist damage while dry from 84 Expert Mode to 104 Expert Mode, and damage while wet from 64 Expert Mode to 84 Expert Mode.
        • Buffed Water Spear damage while dry from 76 Expert Mode to 96 Expert Mode, and damage while wet from 56 Expert Mode to 76 Expert Mode.
      • Projectile damage value changes while under 75% health, and above 50% health:
        • Buffed Music Note damage while dry from 116 Expert Mode to 136 Expert Mode, and damage while wet from 96 Expert Mode to 116 Expert Mode.
        • Buffed Frost Mist damage while dry from 92 Expert Mode to 112 Expert Mode, and damage while wet from 72 Expert Mode to 92 Expert Mode.
        • Buffed Water Spear damage while dry from 84 Expert Mode to 104 Expert Mode, and damage while wet from 64 Expert Mode to 84 Expert Mode.
      • Projectile damage value changes while under 50% health, but above 25% health:
        • Buffed Music Note damage while dry from 120 Expert Mode to 140 Expert Mode, and damage while wet from 100 Expert Mode to 120 Expert Mode.
        • Buffed Frost Mist damage while dry from 100 Expert Mode to 120 Expert Mode, and damage while wet from 80 Expert Mode to 100 Expert Mode.
        • Buffed Water Spear damage while dry from 88 Expert Mode to 108 Expert Mode, and damage while wet from 68 Expert Mode to 88 Expert Mode.
      • Projectile damage value changes while under 25% health:
        • Buffed Music Note damage while dry from 124 Expert Mode to 144 Expert Mode, and damage while wet from 104 Expert Mode to 124 Expert Mode.
        • Buffed Frost Mist damage while dry from 108 Expert Mode to 128 Expert Mode, and damage while wet from 88 Expert Mode to 108 Expert Mode.
        • Buffed Water Spear damage while dry from 100 Expert Mode to 120 Expert Mode, and damage while wet from 80 Expert Mode to 100 Expert Mode.
    • Increased the speeds for her projectiles.
  • 1.1.7:
    • Now immune to all debuffs.
    • Resprited Siren Lure.
    • Now properly inflict Wet.