Summon Horrible Things

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Version 0.28: This article is up to date for the latest stable release of Dungeon Crawl Stone Soup.
Summon horrible things.png Summon Horrible Things
Level 8
School1 Summoning
Source(s) Grand Grimoire
Casting noise 6
Spell noise 0
Power Cap 200
Flags Chaotic, Mons abjure, Unholy
Opens a gate to the Abyss and calls through one or more hideous abominations from that dreadful place. The opening of the gate may drain a portion of the caster's intellect. The number of abominations summoned increases with spell power.

Summon Horrible Things is a level 8 Summoning spell that summons a horde of large abominations and tentacled monstrosities.

Players colloquially refer to this spell as XXX.


When cast 2 to 6 large abominations and 0 to 2 tentacled monstrosities are summoned. Higher spell power may increase the number of the creatures. Afterwards, the player has a 20% chance to (temporarily) lose one point of intelligence.[1] There is a summon limit of 8 horrible things.

Number of large abominations summoned is 1 + 1d3 plus spell power / 200 chance for an extra one.

There is a 1 - 121 / spell power chance for two tentacled monstrosities, and if that fails an independent 1 - 51 / spell power chance for one monstrosity. If no monstrosities were created, one extra abomination is created instead.

Duration of the summons is around 27 turns, this does not depend on the spell power.


This is one of the most powerful Summonings spells in the game. Not only is this one of the few spells with a high summon cap, but abominations hit quite hard - up to 40 damage per hit - and the spell summons several at a time.

Anything being constricted by a tentacled monstrosity will have its evasion reduced drastically. They can also see invisible.

Monster Version

Monster version of Summon Horrible Things creates 3 to 5 monsters, each one has 75% chance of being a large abomination and 25% chance of being a tentacled monstrosity.[2].

Duration class of the summons ranges from 2 (around 18 turns) to 6 (around 171 turns), based on the strength of the caster.

Monsters do not suffer any ill effects from casting the spell.

The following enemies cast Summon Horrible Things:

The following enemies may be able to cast Summon Horrible Things, depending on their spell set:


  • Prior to 0.19, casting this spell could inflict 1-2 points of intelligence damage.
  • Prior to 0.15, casting this spell could inflict 1-3 points of intelligence damage.
  • Prior to 0.2, the summons created were permanent.