Event Horizon
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Event Horizon
Statistics
Type | Weapon – Crafting material |
---|---|
Damage | 200 Magic |
Knockback | 3.5 (Weak) |
Mana cost | 12 |
Critical chance | 4% |
Use time | 32 Very Slow |
Velocity | 25 |
Tooltip | Fires a ring of stars to home in on nearby enemies Stars spawn black holes on enemy hits 'Nothing, not even light, can return' |
Rarity | ![]() |
Sell | 40 ![]() |
Research | 1 required |
Projectiles created
Sounds
Use
Star

The Event Horizon's homing and orbiting stars. Notice how the stars spawn black holes when contacting the Target Dummy and the Super Dummy.
The Event Horizon is a craftable post-Moon Lord spell tome and the upgrade to the Star Shower, Nuclear Fury, and Relic of Ruin. When used, it releases a ring of stars around the player that orbit their location at the time it was used and home in on nearby enemies. If no enemies are nearby, the stars expand outwards, go back inwards again and finally drift off. Upon contact with enemies, they transform into stationary, lingering black holes which pierce infinitely, rapidly dealing 50% of the weapon's base damage before disappearing after 1.5 seconds.
Its best modifier is Mythical.
Crafting
Recipe
Crafting Station | ||
---|---|---|
![]() | ||
Ingredient(s) | Amount | |
![]() | Star Shower | 1 |
![]() | Nuclear Fury | 1 |
![]() | Relic of Ruin | 1 |
![]() | Cosmilite Bar | 8 |
![]() | Darksun Fragment | 8 |
Result | ||
![]() | Event Horizon | 1 |
Used in
Trivia
- The event horizon is the area around a black hole where gravity becomes so strong that it is impossible for any matter or energy to escape, including light. This is referenced in the item's tooltip.
- The weapon is a reference to the spell card, Black Magic "Event Horizon", used by the character Marisa Kirisame from the Touhou Project series.
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.
- 2.0.4.001: Increased sell price from 28
to 40
.
- 2.0.3.005: Nerfed damage from 275 to 200.
- 2.0.2.001: No longer inflicts Daybroken.
- 2.0.1.002: Fixed it damaging Town NPCs.
- 1.5.1.001: Now inflicts Daybroken for 2 and 3 seconds from stars and black holes respectively instead of 5.
- 1.5.0.001:
- Nerfed damage from 369 to 275, and use time from 28 to 32.
- Decreased star projectile homing range by 60%, however increased star projectile homing velocity by 15%.
- Black hole projectiles now linger on an enemy for 1.5 seconds and pierce 3 times.
- Black hole projectiles now grant enemies 12 local immunity frames instead of 8.
- Resprited. Previous sprite was
- Fixed an issue with black hole projectiles incorrectly displaying on enemies.
- 1.4.5.001:
- Buffed damage from 231 to 369.
- Stars now last 5 seconds instead of 10, black holes now deal 50% base damage instead of 100% and grant enemies 8 local immunity frames instead of 5.
- 1.4.3.002: Now uses the
rarity instead of
.
- 1.4.3.001: Introduced.
Darksun Fragment |
---|
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