Corpse Rot

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Version 0.21: This article may not be up to date for the latest stable release of Crawl.
Corpse rot.png Corpse Rot
Level 2
School1 Necromancy
Source(s) Book of Death
Fen Folio
Casting noise 2
Spell noise 0
Power Cap N/A
Hated By Elyvilon
The Shining One
Flags Area, Neutral
Rapidly accelerates the decomposition of any corpses lying around the caster, emitting in the process a foul miasmic vapour, which eats away at the life force of any creature it envelops.

Corpse Rot is a level 2 Necromancy spell which converts nearby corpses into clouds of miasma. Any living thing which enters these clouds will suffer rotting, poison, slow, and take damage (undead, plants, and constructs, however, will be unaffected). Most enemies will try to avoid this, so the spell can be used to block off corridors much like Conjure Flame. The cloud can be created on top of an enemy if it is standing over a corpse when the spell is cast.


  • While this spell is unlikely to wipe out any powerful enemies, hitting an entire group with guaranteed slow and poison can be very helpful, granting you additional turns to safely kite enemies or the opportunity to flee entirely.
  • If you just want to gas everything and don't mind miasma yourself, Kiku's corpse delivery ability can set up a large area around you.
  • This spell has some extra synergy with undead, gargoyle or vine stalker players, who are immune to miasma and can walk through your own clouds.


Prior to 0.15, you were able to pick up corpses. You could position a corpse in a specific place through use of Portal Projectile.