Difference between revisions of "Potion of cancellation"

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{{item
 
{{item
 
  |itemtype = Potion
 
  |itemtype = Potion
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  |weight = N/A
 
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{{flavour|A potion which ends most magical effects, good or bad, affecting one who drinks it. It also reduces magical contamination.}}
  
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{{flavour|A potion which ends most magical effects, good or bad, affecting one who drinks it. It also reduces magical contamination.}}
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Quaffing a '''potion of cancellation''' immediately ends nearly all [[status effects]] you may be enjoying/suffering from. It also removes 1000-5000 points of [[magic contamination]]. The potion's description lists all your current status effects that can be removed by the potion.
  
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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]].  
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==Dispellable Effects==
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These are also the effects that can be ended from [[Quicksilver Bolt]] (including the [[wand of quicksilver]]) and [[Yara's Violent Unravelling]]. The list of all affected [[status effect]]s is as follows:<ref>{{source ref|0.34.0|duration-data.h|L197}}</ref> <ref>{{source ref|0.34.0|spl-goditem.h|L18}}</ref>
  
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==Affected Status Effects==
 
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The list of all affected [[status effect]]s is as follows:
 
 
===The Bad===
 
===The Bad===
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*[[Antimagic]] (monsters only)
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*Many action disabling effects:
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*[[Bad form]]s
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**[[Bad form]]s
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*[[Confusion]]
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**[[Confusion]]
−
*[[Corona]]
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**[[Dimension Anchor]] (-Tele)
−
*[[Acid#Corrosion|Corroded]]
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**[[Cause Fear|Fear]]
−
*[[Dimension Anchor]]
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**[[Mesmerise]]d
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*[[Flayed ghost|Flayed]]
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**[[Miscast effects|Locked Down]] (Stuck)
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*[[Doom hound|Howl]]
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**[[Petrify]]ing
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*[[Paralysis]] (impossible in game, but works per ''Crawl'''s code)
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**[[Still Winds]] (-Cloud)
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*[[Petrify]]ing
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**[[Silence]] (when used on the source of the aura; e.g. the potion works if you cast the spell, but not if an enemy cast the spell)
−
*Petrified (impossible in game, but works per ''Crawl'''s code)
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*Many debuffs:
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*[[Sap Magic]]
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**[[Corona]]
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*[[Sentinel's Mark]]
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**[[Acid#Corrosion|Corroded]]
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*[[Silence]] (so long as you are the source of the [[aura]])
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**[[Slow]]
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*[[Slow]]
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**[[Vertigo]]
−
*[[Vertigo]]
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**[[Diminished spells]]
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*[[Virulence]]
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**[[Weak|Weakness]]
−
*[[Weak|Weakness]]
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**[[Vitrify]]
 +
**[[Frozen]]
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**[[Sick]]
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*Elemental [[vulnerability|vulnerabilities]]:
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**[[Fire]] vulnerability (rF-)
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**[[Strip Willpower]] (Will-)
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**[[Virulence]] (rPois-)
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**[[Scroll of vulnerability|Weak-willed]] (Will 1/2)
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*Other effects:
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**[[Flayed ghost|Flayed]]
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**[[Doom hound|Howl]]
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**[[Sap Magic]]
 +
**[[Sentinel's Mark]]
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**[[Sticky Flame]] (Fire)
  
 
===The Good===
 
===The Good===
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*[[Agility]]
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*[[Teleport]]ing
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*[[Brilliance]]
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*Most effects available from [[potion]]s, excluding [[berserk]]:
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*[[Confusing Touch]]
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**[[Potion of attraction|Attraction]]
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*[[Darkness]]
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**[[Potion of ambrosia|Ambrosia]]
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*[[Death Channel]]
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**[[Brilliance]]
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*[[Disjunction]]
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**[[Haste]]
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*[[Excruciating Wounds]]
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**[[Invisible]]
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*[[Haste]]
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**[[Might]]
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*[[Invisible]]
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**[[Resistance]]
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*[[Leda's Liquefaction|Liquefying]] (so long as you are the caster)
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**[[Agility]] (formerly from a [[potion of agility|potion]])
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*[[Might]]
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**[[Flight]] (set to 1 turn)
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*[[Olgreb's Toxic Radiance]] (so long as you are the caster)
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*[[Necromancy]] spells:
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*[[Ozocubu's Armour]]
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**[[Animate Dead]]
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*[[Portal Projectile]]
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**[[Death Channel]]
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*[[Regeneration]]
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*Certain other spells:
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*[[Resistance]]
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**[[Confusing Touch]]
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*[[Ring of Flames]]
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**[[Disjunction]]
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*[[Shroud of Golubria]]
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**[[Leda's Liquefaction|Liquefying]]
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*[[Swiftness]]
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**[[Olgreb's Toxic Radiance]]
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*[[Teleport|Tele]]
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**[[Ozocubu's Armour]]
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**[[Portal Projectile]]
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**[[Swiftness]]
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**[[Fugue of the Fallen]]
  
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==Resistant Status Effects==
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===Monster Status Effects===
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Rather than being dispelled outright, these status effects will have their duration set to 1 turn.
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These statuses can be dispelled, but they can only be inflicted on monsters, or a player wouldn't be able to act while in the status.
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*[[Flight]]
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*All [[Bad Form]]s
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*[[Antimagic]] (only a status for monsters)
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*All [[Transmutations]] not listed above
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*[[Bind Souls]]
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*[[Disjunction (brand)|Blinkitis]]
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*[[Curse of Agony]]
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*[[Magnavolt]]
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*[[Rimeblight]]
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*[[Inner Flame]]
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*[[Repel Missiles]]
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*[[Paralysis]]
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*[[Petrify|Petrified]]  
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*[[Vex]]
 +
*[[Sleep]]
  
 
==Unaffected Status Effects==
 
==Unaffected Status Effects==
 
===The Bad===
 
===The Bad===
 
*[[Draining]]
 
*[[Draining]]
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*[[Exhaustion]]
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*[[Doom]] / [[Bane]]s
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*[[Cause Fear|Fear]]
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*[[Barbs]]
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*[[Mesmerise]]d
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*No Potions / No Scrolls
 
*[[Poison]]
 
*[[Poison]]
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*[[Sleep]]
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*Any status that would automatically be re-applied (e.g. [[torpor snail]] Slow)
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*[[Sticky Flame]]
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*Action cooldowns:
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*[[Strip Willpower]]
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**-[[Berserk]]
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**-[[Blink (status)|Blink]]
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**-[[Death's Door|DDoor]]
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**[[Exhaustion]]
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**-[[Barachi|Hop]]
  
 
===The Good===
 
===The Good===
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*[[Aura of Abjuration]]
 
 
*[[Berserk]]
 
*[[Berserk]]
 
*[[Death's Door]]
 
*[[Death's Door]]
 
*[[Dragon's Call]]
 
*[[Dragon's Call]]
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*[[Elixir card]]
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*[[Maxwell's Capacitive Coupling]] (though it ends if you do anything but wait)
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*[[Infusion]]
 
 
*[[Powered By Death]]
 
*[[Powered By Death]]
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*[[Polar Vortex]]
 
*[[Thunderdome#Quad damage|Quad Damage]]
 
*[[Thunderdome#Quad damage|Quad Damage]]
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*[[Song of Slaying]]
 
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*[[Tornado]]
 
 
*All [[god]]-granted status effects
 
*All [[god]]-granted status effects
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*All [[talisman]] forms
  
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The same cancellation effect occurs when you are hit by a [[Quicksilver Bolt]] or sometimes by [[Sif Muna]]'s punishment.
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==Strategy==
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Potions of cancellation are rare, but quite useful. It can remove many dangerous status effects, such as [[Petrify]]. [[Mark]], and [[bad form]]s. It can also remove contamination in a pinch.
 +
 
 +
Note that cancellation will also remove many useful statuses, such as Haste and Tele, so be careful. This makes monsters with Quicksilver Bolt some of the more dangerous foes in the game.
  
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==Strategy==
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Potions of cancellation aren't common, so try to conserve them if you can afford to. The following statuses may be ended via other sources:
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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.
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*[[Confusion]] - quaffing a [[potion of curing]]
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*[[Teleport]] - reading another [[scroll of teleportation]]
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*[[Slow]] - negated by [[haste]]
  
 
==History==
 
==History==
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Potions of cancellation were added in [[0.15]], partially taking the role of [[scrolls of vulnerability]].
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*The list of the cancellable effects was added to the potion's description in [[0.27]].
 +
*Potions of cancellation were added in [[0.15]], partially taking the role of [[scrolls of vulnerability]].
 +
 
 +
==References==
 +
<references/>
  
 
{{potions}}
 
{{potions}}

Latest revision as of 21:17, 12 February 2026

Version 0.34: This article is up to date for the latest stable release of Dungeon Crawl Stone Soup.
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 1000-5000 points of magic contamination. The potion's description lists all your current status effects that can be removed by the potion.

Dispellable Effects

These are also the effects that can be ended from Quicksilver Bolt (including the wand of quicksilver) and Yara's Violent Unravelling. The list of all affected status effects is as follows:[1] [2]

The Bad

The Good

Monster Status Effects

These statuses can be dispelled, but they can only be inflicted on monsters, or a player wouldn't be able to act while in the status.

Unaffected Status Effects

The Bad

The Good

Strategy

Potions of cancellation are rare, but quite useful. It can remove many dangerous status effects, such as Petrify. Mark, and bad forms. It can also remove contamination in a pinch.

Note that cancellation will also remove many useful statuses, such as Haste and Tele, so be careful. This makes monsters with Quicksilver Bolt some of the more dangerous foes in the game.

Potions of cancellation aren't common, so try to conserve them if you can afford to. The following statuses may be ended via other sources:

History

  • The list of the cancellable effects was added to the potion's description in 0.27.
  • Potions of cancellation were added in 0.15, partially taking the role of scrolls of vulnerability.

References

  1. ↑ duration-data.h:L197 (0.34.0)
  2. ↑ spl-goditem.h:L18 (0.34.0)
Potions
Ambrosia • Attraction • Berserk rage • Brilliance • Cancellation • Curing • Enlightenment • Experience • Haste • Heal wounds • Invisibility • Lignification • Magic • Moonshine • Might • Mutation • Resistance
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