Potion of cancellation

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Version 0.25: This article may not be up to date for the latest stable release of Crawl.
Type Potion
Name Potion of cancellation
Icon Potion of cancellation.png
A potion which ends most magical effects, good or bad, affecting one who drinks it. It also reduces magical contamination.

Quaffing a potion of cancellation immediately ends nearly all status effects you may be enjoying/suffering from. It also removes 1-5 points of magic contamination.

Affected Status Effects

The list of all affected status effects is as follows:

The Bad

The Good

Resistant Status Effects

Rather than being dispelled outright, these status effects will have their duration set to 1 turn.

Unaffected Status Effects

The Bad

The Good

The same cancellation effect occurs when you are hit by a Quicksilver Bolt or sometimes by Sif Muna's punishment.


Confusion can be removed with the far more common potion of curing, which lets one save potions of cancellation for more obscure, but no less dangerous, status effects, such as petrification, slow, and Sentinel's Mark. Its ability to cancel Mark makes it particularly useful in the Vaults, especially for a character with poor magic resistance. Finally, if you find yourself with dangerous levels of contamination, one or two of these potions may bring you back to safe levels while avoiding the usual bad effects. However, unless there are many cancellation potions on hand, one should be wary of using cancellation potions simply for the purpose of glow removal outside of combat, as getting hit with an ill-timed Mark or Slow tends to be more dangerous than suffering one or two contamination effects with no monsters around, particularly if you have several potions of mutation lying around.


Potions of cancellation were added in 0.15, partially taking the role of scrolls of vulnerability.

AmbrosiaAttractionBerserk rageBrillianceCancellationCuringDegenerationExperienceFlightHasteHeal woundsInvisibilityLignificationMagicMightMutationResistance