Debuffs are status effects that affect the player or target negatively. This page comprehensively lists all debuffs added by the Calamity Mod, and also describes Calamity's new mechanics pertaining to debuffs, and changes to vanilla debuffs.
Debuff Resistances and Vulnerabilities
The Calamity Mod introduces a debuff resistance and vulnerability system. There are five sets of debuffs that enemies may be resistant or vulnerable to: cold, water, sickness, electricity and heat. If an NPC is vulnerable to one of these sets, damage over time (DoT) effects from that set are 5x as effective and non-DoT effects from that set are 3x as effective. If an NPC is resistant to one of these sets, all effects from that set are 0.5x as effective.
In the table below, represents a vulnerability and represents a resistance.
Certain buffs and debuffs can amplify the effects of these vulnerabilities or cancel out resistances:
- NPCs that are Wet or submerged in water, lava, or honey are considered vulnerable to electricity.
- If that NPC is already vulnerable to electricity, then electricity debuffs are 2x more effective again on that NPC. This means they will be 10x as effective in total.
- If that NPC is resistant to electricity, then being Wet or submerged cancels out the resistance. This means that electricity debuffs will work as normal while that NPC is Wet or submerged.
- The same logic applies to Slimed NPCs with heat debuffs as well as Irradiated NPCs with sickness debuffs.
- The Cinnamon Roll and Fireball alchols cause heat debuffs to be additively 50% more effective on all NPCs.
- The Eskimo armor set bonus causes cold debuffs to be additively 50% more effective on all NPCs.
- The Evergreen Gin alcohol causes both sickness and water debuffs to be additively 50% more effective on all NPCs.
Some NPCs change this system:
- Worm NPCs that are vulnerable to a certain set of debuffs only cause them to be 3x as effective, rather than the normal 5x.
- Similarly, amplifications only increase effectiveness by 1.5x instead of 2x (bringing the total to 4.5x effectiveness from 10x).
- The Slime God shares this logic, but only for heat debuffs.
Debuffs by Category
List of debuffs
|Armor Crunch||Golem, any type of Biome Blade, Earth Elemental weapons, Spear of Paleolith, The Ballista, Apotheosis, and melee and rogue attacks with Crumbling Potion or Shattering Potion.||If inflicted on an enemy: Target loses 10 defense.
If inflicted on a player: Target loses 10 defense and 66.67% damage reduction.
|Your armor is shredded|
|Astral Infection||Astrum Aureus, Astrum Deus, Enemies in the Astral Infection biome and weapons crafted from Astral Bars or dropped by enemies in the Astral Infection.||If inflicted on an enemy: Target loses 37.5 health per second and 6 defense.
If inflicted on a player: Target loses 10 health per second, 6 defense and 15% movement speed.
|Your flesh is melting off|
|Boss Effects||While any boss is alive||Reduces spawn rate by 80% and maximum spawn count by 99.9%.||The nearby boss is:|
Greatly reducing enemy spawn rates
Increasing Nurse healing cost by 400%
Disabling Target and Super Dummy hitboxes
|Brimstone Flames||Calamitas, Catastrophe, Cataclysm, Brimstone Elemental, Calamity Eyes, Soul Slurpers, The Slime God, Heat Spirits, and various weapons.||If inflicted on an enemy: Target loses 20 health per second.
If inflicted on a player: Target loses 8 health per second.
|Rapid health loss|
|Burning Blood||The Perforators, Utensil Poker, Seared Pan, Rem's Revenge, and several Crimson themed weapons.||If inflicted on an enemy: Target loses 25 health per second.
If inflicted on the player: Target loses 4 health per second, 3 defense, and the Darkness debuff is inflicted. Melee damage and move speed are slightly increased, but melee speed, ranged damage, and magic damage are slightly decreased.
|Your blood is on fire|
|Clamity||Giant Clam||Spawn rates of Clams go up and Clams become aggressive, all other spawn rates are reduced to zero||The clams have been angered!|
|Crush Depth||The Abyss, Bloatfish, Bobbit Worms, Colossal Squids, Eidolon Wyrms, Giant Squids, Gulper Eels, Reaper Sharks, and various weapons.||If inflicted on an enemy: Target loses 30 health per second (in Pre-Hardmode) or 200 health per second (in Hardmode)
If inflicted on a player: Target loses 9 health per second.
The higher defense a target has, the less damage taken per second.
|Dragonfire||Jungle Dragon, Yharon, The Torch God, and items dropped from Yharon.||If inflicted on an enemy: Target loses 180 health per second.
If inflicted on a player: Disabled life regeneration, target loses 18 health per second and movement speed is reduced by 15%.
|Engulfed by roaring flames|
|Extreme Gravity||Astrum Deus, The Devourer of Gods||All infinite flight is disabled, and maximum flight time is reduced by 25%.||Your wing time is reduced by 25%, infinite flight is disabled|
|Fish Alert||Luminous Corvina||Enemies in the Abyss can notice the player more easily and from further away.||The abyssal creatures have spotted you|
|Glacial State||Cryogen, Cryon, Ice Golem, and various weapons.||Target cannot move at all.||Cannot move|
|God Slayer Inferno||The Devourer of Gods, Cosmic Guardian, and various weapons.||If inflicted on an enemy: Target loses 125 health per second and 10 defense.
If inflicted on a player: Target loses 15 health per second, 10 defense and 15% movement speed.
|Your flesh is burning off|
|Holy Flames||Providence, the Profaned Goddess, Sunskater, and various weapons.||If inflicted on an enemy: Target loses 25 health per second.
If inflicted on a player: Target loses 8 health per second.
|Dissolving from holy light|
|Holy Inferno||Providence, the Profaned Goddess||Target takes damage that exponentially increases in severity as time spent away from Providence increases to a maximum of 100 health per second.||You've gone too far from the Profaned Goddess!|
|Icarus' Folly||Providence, the Profaned Goddess||All infinite flight is disabled, maximum flight time is reduced by 33%.||Your wing time is reduced by 33%, infinite flight is disabled.|
|Irradiated||Acid Rain enemies, Helium Flash, Karasawa, and several Acid Rain themed weapons.||If inflicted on an enemy: Target loses 10 health per second and increases effectiveness of sickness debuffs.
If inflicted on a player: Target loses 2 health per second, 10 defense, and 10% damage reduction.
|Your skin is burning off|
|Nightwither||Providence, the Profaned Goddess, Profaned Energy, Polterghast, various weapons, and Umbraphile armor.||If inflicted on an enemy: Target loses 100 health per second.
If inflicted on a player: Target loses 8 health per second.
|Incinerated by lunar rays|
|Plague||The Plaguebringer Goliath, Plaguebringers, Melters, Plagueshells, Virulings, Pestilent Slimes, Plague Chargers, and various weapons.||If inflicted on an enemy: Target loses 50 health per second and 5% contact damage.
If inflicted on a player: Target loses 10 health per second, 10% damage, and 15% movement speed, and their vision is darkened.
|You are rotting from the inside|
|Sulphuric Poisoning||Water in the Sulphurous Sea, several weapons, Nuclear Terrors, and Radiators post-Polterghast||If inflicted on an enemy: Target loses 90 health per second.
If inflicted on a player: Target loses 3 health per second and natural regen is disabled.
|The acidic water burns away your flesh|
|Vulnerability Hex||Supreme Calamitas, Supreme Cataclysm, Supreme Catastrophe, Soul Seekers, Calamity and weapons enchanted with Aflame.||If inflicted on an enemy: Target loses 2664 health per second.
If inflicted on a player: Disables life regeneration, target loses 8 health per second, 10 defense, 10% damage reduction, and 10% move speed, and their vision is darkened. Flight time is reduced by 25% and all infinite flight is disabled.
|You are weak|
|Warped||The Devourer of Gods||Target has increased vertical acceleration.||Movement is being warped|
|Weak Petrification||Ravager||Disables additional jumps and jump height boosts. Flight time is reduced by 50%, all infinite flight and mounts are disabled.||Your vertical movement is weakened|
|Whispering Death||Signus, Envoy of the Devourer, The Devourer of Gods, Omniblade||If inflicted on an enemy: Target's contact damage is reduced by 10%.
If inflicted on a player: damage reduced by 20%, movement speed reduced by 10%, and no life regen.
|Death approaches; movement speed, attack power and life regen reduced|
From the Drunk Princess' Drinks
|Alcohol Poisoning||Consuming more than three drinks at a time.||Reduces the player's life regen by 3 for each drink debuff currently active.||You drank too much and you are now dying|
|Bloody Mary||Bloody Mary||Boosts damage and melee speed by 15%, movement speed by 10% and critical strike chance by 7% during a Blood Moon Reduces life regen by 2 and defense by 4%.||Damage, critical strike chance, movement speed, and melee speed boosted during a Blood Moon, life regen and defense reduced|
|Caribbean Rum||Caribbean Rum||Boosts life regen by 2, movement speed by 10% and wing flight time by 20%. Makes you floaty and reduces defense by 10%.||Life regen, movement speed, and wing flight time boosted, you are floaty and defense is reduced|
|Cinnamon Roll||Cinnamon Roll||Boosts mana regeneration rate and multiplies all fire-based weapon damage by 1.1. Reduces defense by 10%.||Mana regen rate and fire debuff damage boosted, defense reduced|
|Everclear||Everclear||Boosts damage by 25%. Reduces life regen by 10 and defense by 30%.||Damage boosted, life regen and defense reduced|
|Evergreen Gin||Evergreen Gin||Multiplies nature-based weapon damage by 1.1 and increases damage reduction by 5%. Reduces life regen by 1.||Sickness and water debuff damage boosted, life regen reduced|
|Fab||Fabsol's Vodka||Increases all damage by 8% and lengthens immune time after being struck. Decreases defense by 10%.||You feel fabulous|
|Fireball||Fireball||Multiplies all fire-based weapon damage by 1.25. Reduces life regen by 1.||Fire debuff damage boosted, life regen reduced|
|Grape Beer||Grape Beer||Reduces defense by 3% and movement speed by 5%.||Defense and movement speed reduced|
|Margarita||Margarita||Halves the duration to most debuffs. Reduces defense by 6% and life regen by 1.||Reduced duration to most debuffs, defense and life regen reduced|
|Moonshine||Moonshine||Increases defense by 10 and damage reduction by 3%. Reduces life regen by 1.||Defense and damage reduction boosted, life regen reduced|
|Moscow Mule||Moscow Mule||Boosts damage and knockback by 9% and critical strike chance by 3%. Reduces life regen by 2.||Damage, critical strike chance, and knockback boosted, life regen reduced|
|Red Wine||Red Wine||Reduces life regen by 1.||Life regen reduced|
|Rum||Rum||Boosts life regen by 2 and movement speed by 10%. Reduces defense by 5%.||Movement speed and life regen boosted, defense reduced|
|Screwdriver||Screwdriver||Multiplies piercing projectile damage by 1.05. Reduces life regen by 1.||Piercing projectile damage boosted, life regen reduced|
|Star Beam Rye||Star Beam Rye||Boosts max mana by 50, magic damage by 8%, and reduces mana usage by 10%. Reduces defense by 6% and life regen by 1.||Max mana and magic damage increased. Defense, mana usage, and life regen reduced|
|Tequila||Tequila||Boosts damage, damage reduction, and knockback by 3%, critical strike chance by 2%, and defense by 5 during daytime. Reduces life regen by 1.||Damage, critical strike chance, damage reduction, defense, and knockback boosted during daytime, life regen reduced|
|Tequila Sunrise||Tequila Sunrise||Boosts damage, damage reduction, and knockback by 7%, critical strike chance by 3%, and defense by 10 during daytime. Reduces life regen by 1.||Damage, critical strike chance, damage reduction, defense, and knockback boosted during daytime, life regen reduced|
|Vodka||Vodka||Boosts damage by 6% and critical strike chance by 2%. Reduces life regen by 1 and defense by 5%.||Damage and critical stike chance boosted, defense and life regen reduced|
|Whiskey||Whiskey||Boosts damage and knockback by 4% and critical strike chance by 2%. Reduces defense by 5%.||Damage, critical strike chance, and knockback boosted, defense reduced|
|White Wine||White Wine||Boosts magic damage by 10%. Reduces defense by 6% and life regen by 1.||Magic damage boosted, life regen and defense reduced|
From Items and the Environment
|Enraged||Demonshade armor||The player deals 125% more damage but takes 25% more damage.||All damage taken is increased by 25%|
|Frozen Lungs||Water in the Snow biome and Ice biome in Expert Mode||The breath meter decreases significantly faster.||The icy waters restrict your breathing|
|Mana Burn||Chaos Stone if the player is inflicted with Mana Sickness||Exponentially deals more damage to the player over time, peaking at 36 damage per second. Replaces Mana Sickness.||The excess of mana sears your body and mind|
|Noseless Popo||Magic Scarf and Hat||The player (as a snowman) loses their nose||Your nose has been stolen!|
|Searing Lava||Lava in the Brimstone Crag||Player loses 15 health per second.||The brimstone lava sears your flesh|
|Weak Brimstone Flames||Using any weapon with the Aflame Enchantment||The player loses 3.5 health per second.||Health loss|
|Withered||Using any weapon with the Withering Enchantement||Decreases life regeneration based on how long the Enchanted weapon had been held for.||Holding withered weapons causes you to suffer but makes your weapons strong|
From the player
|Banishing Fire||Angelic Alliance||If the target has less than 1,000,000 max health, it will lose 2,000 damage per second.
If the target has more than 1,000,000 max health, it will lose 0.2% of its max health as damage per second.
|You shall not be forgiven for your sins|
|Clammed||Snap Clam||Target loses 30 health per second per attached clam, capping at 2 clams.||Clam clap|
|Demon Flames||Apotheosis, Vehemence, all weapons while Demonshade armor is equipped||Target loses 1250 health per second.||Another burning debuff|
|Eutrophication||Big coral from Coral Cannon, Eutrophic Scimitar, Clam Crusher, Prismalline, and Abyssal Mirror shards||Target cannot move.||Excessive nutrients restrict your movement|
|Exo Freeze||Exoblade, Photoviscerator, Heavenly Gale, Drataliornus, Subsuming Vortex, Vivid Clarity, Apotheosis, Cosmic Immaterializer, and Celestus||Target cannot move at all.||Cannot move|
|Galvanic Corrosion||Tesla Potion||Target's horizontal and vertical speeds are crippled.||Your limbs have begun to corrode|
|Kami Flu||Yanmei's Knife||Target's damage reduction is reduced by 20% and they take 125 damage per second.||Defenseless and dying|
|Marked for Death||Lunic Eye, Anti-materiel Rifle, Skullmasher and Deep Wounder.||Target's damage reduction reduced by 50%.||Damage reduction reduced|
|Pearl Aura||Giant Pearl||Target's horizontal and vertical speeds are slowed.||Slowed down|
|Profaned Weakness||Relic of Resilience||Target's next attack damage is reduced by 45%.||You do less damage|
|Rancor Burn||Rancor||Causes enemies to disintegrate into ashes on death.||Burning|
|Sage Poison||Viral Sprout||Deals a constant 22.5 damage per second, with higher damage per tick the more Sage Spirits are present.||Poisoned|
|Shellfish Claps||Shellfish Staff||Target loses 125 health per second per summoned shellfish, capping at 5 shellfish, or 625 damage per second.||Clamfest|
|Shred||Soma Prime||Deals 75 damage per second and can apply on top of each other.||Someone built ten Tri-Tip Daggers...|
|Temporal Sadness||Teardrop Cleaver||Target's damage is reduced by 15 and movement speed is cut in half.||You are crying|
|Time Distortion||Time Bolt||Target's movement speed is reduced by 15%||Time is slowed|
|Vaporfied||Aestheticus||Target loses 15 health per second and has 10% reduced movement speed.||Vape|
|Wither||Rem's Revenge||Reduces enemy's defense by 20.||Withered...|
Defense reduced by 20
Vanilla Debuff Changes
|Acid Venom||Lionfish and various weapons and enemies.||Target loses 25 damage per second per attached lionfish and 15 damage per second per attached sulphuric bubble up to 6 attached lionfish and 4 sulphuric bubbles.
If inflicted on a player: Target's movement speed reduced by 15%.
|Betsy's Curse||Betsy's Wrath and Drataliornus in Revengeance Mode||Target's damage reduction is reduced by 34%.||Defense is lowered|
|Chaos State||Rod of Discord, Normality Relocator, and Spectral Veil||Rod of Discord, Normality Relocator and Spectral Veil teleports can't be used||Rod of Discord teleports are disabled|
|Cursed Inferno||Various enemies and weapons||If inflicted on an enemy: Target's damage reduction is reduced by 20%. Reduced effectiveness on certain post-Moon Lord bosses.
If inflicted on a player: Target receives 20% more damage from all sources.
All damage taken increased by 20%
|Ichor||Various enemies and weapons||Defense reduced by 15||Reduced defense|
|Oiled||Totality Breakers||Increases the effectiveness of flame debuffs within the Calamity Mod by increasing their damage per second by 25%.||Taking more damage from being on fire|
|Poisoned||Various enemies and weapons||If inflicted on a player: Target's movement speed reduced by 10%.||Slowly losing life|
|Shadowflame||Various enemies and weapons in Revengeance Mode||If inflicted on a player: Target loses 15 health per second and natural health regeneration.||Losing life|
|Water Candle||Water Candle||Increases all spawn rates by 48.15% and maximum spawn count by 65%||Increased monster spawn rate|
|Combat||Damage Reduction • Defense damage • Enchantment • Hit Sounds • Immunity frames • Lifesteal • Minions • Proficiency • Rogue|
|Environment||Biome backgrounds • Events • Music • Status messages|
|Events||Acid Rain • Boss Rush|
|Items||Alternative crafting ingredients • Charge • Consumable • Crafting stations (By Hand) • Drops • Modifiers • Rarity • Recipes • Vanilla item recipes|
|Game||Bestiary • Boss Health Bar • Configuration options • Difficulty Modes (Death Mode • Revengeance Mode) • Fishing • Game controls • Lore • Speedrun Timer • Vanilla changes|
|Player||Adrenaline Meter • Aggro • Buffs and Debuffs • Death prevention • Defense • Rage Meter|