Difference between revisions of "Stat zero"

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When one of a character's primary [[attributes]] ([[strength]], [[intelligence]], or [[dexterity]]) is lowered to 0 or below, the character suffers crippling penalties until that attribute is restored and stays above 0 for a period of time equal to: <code>10 + 1d10 + the number of turns it was below 0</code> (Max: 200 turns).
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When one of a character's primary [[attributes]] ([[strength]], [[intelligence]], or [[dexterity]]) is lowered to 0 or below, the character is [[slow]]ed until the stat is raised above zero.
  
 
==Causes==
 
==Causes==
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The following can all drain your attributes:
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Stats can be lowered by the following means, potentially causing stat zero:
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*By 1 at a time:
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*[[Mutations]] (such as from [[Malmutate]] or [[Corrupting Pulse]]) which affect attributes. This lasts until the mutation is removed [[potion of mutation|somehow]].
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**The [[bad mutations#Deterioration|Deterioration]] mutation.
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*Equipment with negative stat modifiers. You can remove the equipment to restore the stat.
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**The melee attacks of certain monsters:
 
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***{{monsterlink|Quasit}} (dexterity only)
 
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***{{monsterlink|Ghost moth}}
 
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***{{monsterlink|Eidolon}}
 
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**Decomposition from attempted [[mutation]] of an undead character.
 
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*By more than 1 at a time:
 
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**[[Malmutate]] and [[Corrupting Pulse]] can give permanent and transient mutations respectively, which can include [[Bad_mutations#Reduced_Attributes|reduced attributes]].
 
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**[[Brain Feed]]: this is really dangerous for players with low intelligence, as it can drain 1-3 in one go.
 
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**[[Hell]] effects and mummy [[death curse]]s.
 
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**Casting spells while wielding the [[staff of Wucad Mu]].
 
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**Stepping on or being in view of a monster stepping on [[Zot trap]]s.
 
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As you gain experience, you regain stats lost through any of these means (except malmutate).
 
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Stats can be more permanently lowered by the following means:
 
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*[[Mutations]] which affect attributes (this lasts until the mutation is removed [[potion of mutation|somehow]]).
 
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*Equipment with negative stat modifiers (but you can remove the equipment to restore the stat).
 
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The last two never lower a base stat to zero.
 
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==Effects==
 
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The following effects occur when any stat reaches 0:
 
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*You immediately suffer 2-4 turns of [[paralysis]], which ignores a [[Formicid]]'s [[stasis]].
 
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*You are [[slow]]ed until the stat completely recovers.
 
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The following effects are dependent on the specific stat which was drained to 0:
 
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===Collapse (Strength)===
 
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*You do not regenerate [[HP]] if monsters are in sight.
 
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===Brainless (Intelligence)===
 
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*You can't memorise or cast [[spell]]s.
 
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*You fail to read [[scroll]]s.
 
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===Clumsy (Dexterity)===
 
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*Your [[EV]] score is set to <code>2 + size_bonus + [[Repulsion field]] bonus</code>.
 
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*Your [[SH]] score is set to 0.
 
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*Your [[stealth]] score is set to 0.
 
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*You can't [[stab]] monsters.
 
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==Precautions==
 
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Any character with a particularly low attribute should be aware of the dangers involved. Any attribute below 5 could conceivably be reduced to 0 by a single unfortunate effect, and below 10 are vulnerable to stat zero from repeated effects.
 
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*Hell effects, [[Zot trap]]s, and [[mummy]] [[death curse]]s can temporarily reduce an attribute by up to 4 in one go. You may wish to bring all of your attributes up to a minimum of 8 to guarantee that you can survive a single worst-case scenario shot from either one.
 
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<!-- Please confirm, stat losses were halved I think in 0.19 and so stat losses of max 7 went down to max 4 (this being when SustAt was removed) -->
 
  
 
==History==
 
==History==
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*Prior to [[0.33]], hitting zero in any stat would [[paralyse]] the player immediately and apply a unique debuff for as long as you remained below zero, with the specific penalty depending on which stat was affected. See [http://crawl.chaosforge.org/index.php?title=Stat_zero&oldid=82086 this revision] for more information on the old stat zero system.
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**Stat drain was removed in 0.33, meaning players can now only have their stats reduced to zero or less through [[mutation]]s or [[artefact]]s with stat penalties.
 
*Prior to [[0.28]], zero intelligence only had an 80% chance to fail reading scrolls. Zero strength's -Regen was a flat regen/4 modifier.
 
*Prior to [[0.28]], zero intelligence only had an 80% chance to fail reading scrolls. Zero strength's -Regen was a flat regen/4 modifier.
 
*Prior to [[0.19]], [[sustain attributes]] existed which would halve stat damage. Hence, multi-point stat damage was roughly halved in [[0.19]].
 
*Prior to [[0.19]], [[sustain attributes]] existed which would halve stat damage. Hence, multi-point stat damage was roughly halved in [[0.19]].
 
*Prior to [[0.17]], taking further stat damage after a stat reached 0 would inflict HP damage.
 
*Prior to [[0.17]], taking further stat damage after a stat reached 0 would inflict HP damage.
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*Prior to [[0.15]], items had [[aum|mass]], and strength determined your carrying capacity. The "collapse" status effect serious reduced this.
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*Prior to [[0.15]], items had [[aum|mass]], and strength determined your carrying capacity. Collapse seriously reduced this.
 
*Stat zero was added in [[0.13]], replacing [[stat death]].
 
*Stat zero was added in [[0.13]], replacing [[stat death]].
  
 
[[Category:Stats]]
 
[[Category:Stats]]
 
[[Category:Status effects]]
 
[[Category:Status effects]]

Latest revision as of 09:36, 13 October 2025

Version 0.33: This article is up to date for the latest stable release of Dungeon Crawl Stone Soup.

When one of a character's primary attributes (strength, intelligence, or dexterity) is lowered to 0 or below, the character is slowed until the stat is raised above zero.

Causes

Stats can be lowered by the following means, potentially causing stat zero:

  • Mutations (such as from Malmutate or Corrupting Pulse) which affect attributes. This lasts until the mutation is removed somehow.
  • Equipment with negative stat modifiers. You can remove the equipment to restore the stat.

History

  • Prior to 0.33, hitting zero in any stat would paralyse the player immediately and apply a unique debuff for as long as you remained below zero, with the specific penalty depending on which stat was affected. See this revision for more information on the old stat zero system.
    • Stat drain was removed in 0.33, meaning players can now only have their stats reduced to zero or less through mutations or artefacts with stat penalties.
  • Prior to 0.28, zero intelligence only had an 80% chance to fail reading scrolls. Zero strength's -Regen was a flat regen/4 modifier.
  • Prior to 0.19, sustain attributes existed which would halve stat damage. Hence, multi-point stat damage was roughly halved in 0.19.
  • Prior to 0.17, taking further stat damage after a stat reached 0 would inflict HP damage.
  • Prior to 0.15, items had mass, and strength determined your carrying capacity. Collapse seriously reduced this.
  • Stat zero was added in 0.13, replacing stat death.
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