Underground Corruption

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See also: Corruption.

The Underground Corruption is a Hardmode Biome. It is the underground version of the surface-level Corruption, and is initially created at and below the cavern layer once the Wall of Flesh is defeated. It operates similarly to surface Hardmode Corruption, being comprised of Ebonstone and Ebonsand, though it spawns different enemies.

Underground Corruption spreads just like surface Corruption, and similarly can not spread through Hallow. Additionally, small pockets of Underground Corruption can be created through the breaking of Demon Altars, which can convert a single random stone block in the world into Ebonstone upon their destruction.

Underground Corruption does not suppress the spawn of other underground and cavern enemies. All enemies killed in the Underground Corruption have a 1/5(20%) chance to drop a Soul of Night. In Expert Mode this chance increases to a 1/3(33%) chance.

Note: Most characteristics of surface Corruption also apply to the Underground Corruption. See The Corruption.

Contents[edit | edit source]

Underground Corruption
Characters Unique Drops
Devourer.png Devourer
World Feeder.png World Feeder
Cursed Hammer.png Cursed Hammer
Shadow Hammer.png Shadow Hammer Console only.png Mobile only.png
Clinger.png Clinger
Corruptor.png Corruptor
Corrupt Slime.png Corrupt Slime
Slimer.png Slimer
Corrupt Mimic.png Corrupt Mimic Pc only.png

From killed Corrupt Slime:

Slimeling.png Slimeling (3 spawn at once)
From Corrupt Slimes, Slimelings:
Blindfold.png Blindfold
Gel.png Gel

From Cursed Hammers:

Cursed Hammer Banner.png Cursed Hammer Banner
Nazar.png Nazar

From Shadow Hammers: Console only.png Mobile only.png

Shadow Hammer Banner.png Shadow Hammer Banner

From World Feeders:

World Feeder Banner.png World Feeder Banner
Cursed Flame.png Cursed Flame

From Clingers

Cursed Flame.png Cursed Flame
From Corruptors:
Rotten Chunk.png Rotten Chunk
Vitamins.png Vitamins

From Devourers:

Worm Tooth.png Worm Tooth

From Corrupt Mimics: Pc only.png

Dart Rifle.png Dart Rifle
Worm Hook.png Worm Hook
Chain Guillotines.png Chain Guillotines
Clinger Staff.png Clinger Staff
Putrid Scent.png Putrid Scent
Greater Healing Potion.png Greater Healing Potion
Greater Mana Potion.png Greater Mana Potion
From any enemy:
Corruption Key.png Corruption Key (1/2500 chance) Pc only.png
Corruption Key Mold.png Corruption Key Mold (1/2500 chance) Console only.png Mobile only.png
Soul of Night.png Soul of Night (1/5 chance)

From vegetation:

Deathweed.png Deathweed

From terrain:

Ebonstone Block.png Ebonstone Block
Ebonsand Block.png Ebonsand Block

From Fishing:

Ebonkoi.png Ebonkoi
Purple Clubberfish.png Purple Clubberfish

History[edit | edit source]

  • Corruption chasms that extend into the underground layer are now classified as the Underground Corruption, complete with music. Unique enemies will not spawn pre-hardmode.
  • 1.2.3: Added biome specific stalactite variations.
Surface Layers Forest • Desert • Ocean • Snow • Jungle • Mushroom • The Corruption • The Crimson • The Hallow • Space
Underground Layers Underground • Cavern • Underground Snow • Pc only.png Underground Desert • Underground Jungle • Underground Mushroom • Underground Corruption • Underground Crimson • Underground Hallow • The Underworld
Special Biomes Meteorite • Pc only.png Granite Cave • Pc only.png Marble Cave • Spider Nest • Bee Hive • Dungeon • Lihzahrd Temple
Other Living Tree • Pc only.png Enchanted Sword Shrine • Floating Island • Underground Cabin • Chasm • Pyramid • Jungle Shrine • Pc only.png Living Mahogany Tree • Mobile only.png Jungle Sanctum • Ruined House