Difference between revisions of "Vulnerability"

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''Not to be confused with the [[scroll of vulnerability]], which has a different but related effect.''
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{{version032}}
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''Not to be confused with the [[vulnerability (status effect)|vulnerability]] [[status effect]].''
  
 
'''Vulnerability''' is a specific weakness in the protections or defences surrounding someone or something. In ''Crawl'', monsters and players can be vulnerable to any of a number of elements, to varying degrees.
 
'''Vulnerability''' is a specific weakness in the protections or defences surrounding someone or something. In ''Crawl'', monsters and players can be vulnerable to any of a number of elements, to varying degrees.
  
 
==Players==
 
==Players==
Players can be vulnerable to [[fire]], [[cold]], [[poison]], [[holy]], [[silver]], [[dragon slaying]], and [[orc slaying]] effects. In most cases, being vulnerable to an element causes that element to do 150% damage to the player. Poison vulnerability also causes poison to last twice as long as it ordinarily would. Silver behaves differently than the others; the additional damage it causes scales with the number of [[mutation]]s you currently have instead of being determined by specific ranks of vulnerability. Dragon and orc slaying is more dangerous than most, dealing 175% of normal damage.
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Players can be vulnerable to [[fire]], [[cold]], [[poison]], [[electricity]], [[holy]], [[silver]], and [[dragon slaying]] effects. In most cases, being vulnerable to an element causes that element to do 150% damage to the player. Poison vulnerability causes poison to last twice as long as it ordinarily would. There is no difference in damage if you gain more levels of vulnerability, though more vulnerability needs more resistance to compensate.
  
Note that for fire and cold resistance, there is no difference between having one level of vulnerability and having three, other than needing more resistance items to compensate for the vulnerability.
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Silver behaves differently than the others; the additional damage it causes scales with the number of [[mutation]]s you currently have instead of being determined by specific ranks of vulnerability. Being in a [[form]] will cause you to take +75% damage from silver.
  
Also, note that holy vulnerability does not specifically relate to weapons of holy wrath. Those weapons deal extra damage to demons and undead; holy vulnerability itself usually only concerns [[cleansing flame]] and similar effects, which are rare to find targeted against players.
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Dragon Slaying is only found on the unrand [[Wyrmbane]], dealing +75% damage to all [[dragon]] and [[draconian]]-type monsters.
  
 
Sources of player vulnerability are, by element:
 
Sources of player vulnerability are, by element:
 
*Cold
 
*Cold
**[[Rings of fire]] give one level per ring worn.
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**[[Rings of fire]] give one level per ring worn
**Having the spell [[Ring of Flames]] active.
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**Being in [[Dragon Form]] gives one rank of cold vulnerability (except for non-red [[Draconian]]s)
**Being in [[Dragon Form]] gives one rank of cold vulnerability (except for non-red [[Draconian]]s).
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**The Cold Vulnerability mutation
**[[Artefact]]s can occasionally have the property.
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**[[Artefact]]s can occasionally have the property
 
*Fire
 
*Fire
**[[Ring of ice|Rings of ice]] give one level per ring worn.
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**[[Ring of ice|Rings of ice]] give one level per ring worn
 
**White draconians that cast Dragon Form gain one rank of fire vulnerability
 
**White draconians that cast Dragon Form gain one rank of fire vulnerability
**Being a [[mummy]].
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**Being a [[mummy]]
**Occasionally found on [[artefact]]s.
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**The Fire Vulnerability mutation
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**Occasionally found on [[artefact]]s
 
*Poison
 
*Poison
**Players can only acquire poison vulnerability through the spell [[Spider Form]].  Having poison resistance from another source can negate the vulnerability, but having two sources will not make you resistant.
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**[[Virulence]]
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*Electricity
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**Wrath from [[Qazlal]]
 
*Holy
 
*Holy
**Being undead, whether naturally or through the spell [[Necromutation]]. The undead races can never be rid of this vulnerability, although thankfully, holy attacks are fairly rare.
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**Being undead, whether naturally or through the [[talisman of death]]. The undead races can never be rid of this vulnerability, although thankfully, holy attacks are fairly rare before extended
**Worshiping an evil god: [[Beogh]], [[Lugonu]], [[Kikubaaqudgha]], [[Makhleb]], or [[Yredelemnul]].  Notably, [[Trog]] is not considered evil.
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**Being a [[demonspawn]]
 
*Silver
 
*Silver
**Each mutation you possess increases damage from silver weapons by 5% (up to a maximum of 175%).
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**Each mutation you possess increases damage from silver weapons by 5% (up to a maximum of 175%). Innate mutations do not count for this unless you are a [[demonspawn]]
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**Being in any form causes you to take 175% damage
 
*Dragon slaying
 
*Dragon slaying
 
**All [[draconian]]s are vulnerable to dragon slaying
 
**All [[draconian]]s are vulnerable to dragon slaying
*Orc slaying
 
**All [[orc]]s are vulnerable to orc slaying
 
  
 
==Monsters==
 
==Monsters==
Monsters can be vulnerable to all of the same elements as players. Vulnerability works fairly similarly, except that it is only ever one level for monsters, and it causes them to take 200% damage from elemental melee damage where players only take 150%. They can gain vulnerability through items just as players do, and many monsters start off with elemental vulnerabilities.
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Monsters can be vulnerable to all of the same elements as players, save for electricity. Vulnerability works fairly similarly, except that it is only ever one level for monsters, and it causes them to take 200% damage from elemental melee damage. They can gain vulnerability through items just as players do, and many monsters start off with them.
  
 
As stated above, holy vulnerability does not specifically relate to weapons of holy wrath.  Holy weapons only cause extra damage to monsters which are demonic or undead; many "evil" spellcasters also have holy vulnerability, but do not take extra damage from weapons of holy wrath.  They will, however, take more damage from player-invoked [[cleansing flame]].
 
As stated above, holy vulnerability does not specifically relate to weapons of holy wrath.  Holy weapons only cause extra damage to monsters which are demonic or undead; many "evil" spellcasters also have holy vulnerability, but do not take extra damage from weapons of holy wrath.  They will, however, take more damage from player-invoked [[cleansing flame]].
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**[[Brimstone fiend]]s
 
**[[Brimstone fiend]]s
 
**[[Balrug]]s
 
**[[Balrug]]s
**[[Dragon]]s
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**[[Fire dragon]]s
 
**[[Crimson imp]]s
 
**[[Crimson imp]]s
**[[Hellion]]s
 
 
**[[Fire elemental]]s
 
**[[Fire elemental]]s
 
*Fire: Many "icy" monsters are vulnerable to fire, along with a few others.  Some examples are:
 
*Fire: Many "icy" monsters are vulnerable to fire, along with a few others.  Some examples are:
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**[[Simulacrum|Simulacra]]
 
**[[Simulacrum|Simulacra]]
 
**[[Azure jellies]]
 
**[[Azure jellies]]
**[[Mummy (monster)|Mummies]] - but note that the more dangerous types of mummies found in Tomb are '''not''' vulnerable to fire.
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**[[Mummy (monster)|Mummies]] - but note that the more dangerous types of mummies found in the [[Tomb]] are '''not''' vulnerable to fire.
**Another notable exception to what one might expect: Despite their description as dessicated corpses, [[lich]]es are not vulnerable to fire, although they do not resist it either.
 
 
*Poison: In general, poison-vulnerable monsters are insects, who absorb air through their skin instead of breathing it, making them more vulnerable to poison.
 
*Poison: In general, poison-vulnerable monsters are insects, who absorb air through their skin instead of breathing it, making them more vulnerable to poison.
**[[Worker ant]]s
 
 
**[[Scorpion]]s - but note that [[emperor scorpion]]s are not vulnerable; in fact, they are poison-resistant.
 
**[[Scorpion]]s - but note that [[emperor scorpion]]s are not vulnerable; in fact, they are poison-resistant.
 
**[[Killer bee]]s
 
**[[Killer bee]]s
 
**[[Fire crab]]s
 
**[[Fire crab]]s
**[[Spriggan rider]]s - vulnerable since their [[giant firefly]] mounts are vulnerable.
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**[[Spriggan rider]]s - vulnerable since their [[hornet]] mounts are vulnerable
*Holy: This includes everything that could vaguely be classified as a demon or undead, as well as many "evil" creatures. Examples include:
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**Nearly every spider-type monster
**All monsters with the "demonic" flag: in console, demons are quite easily distinguished by their numeric glyphs. All the typical denizens of Hell and Pandemonium fall under this category.
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*Holy: Evil monsters.
**All undead monsters.  These include [[lich]]es, [[List of mummies|mummies]] of all types, [[skeletal warrior]]s, and all [[skeleton]]s, [[simulacra]], and [[zombie]]s. Note that [[profane servitor]]s are resistant to [[cleansing flame]].
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**All demonic monsters. In console, demons are quite easily distinguished by their numeric glyphs. All the typical denizens of Hell and Pandemonium fall under this category
**[[Abomination]]s.
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**All undead monsters.  These include [[lich]]es, [[List of mummies|mummies]] of all types, [[skeletal warrior]]s, and all [[skeleton]]s, [[simulacra]], and [[zombie]]s. Note that [[profane servitor]]s are resistant to [[cleansing flame]]
**Many "evil" uniques: [[Jessica]], [[Josephine]], [[Saint Roka]], [[Frances]], [[Nergalle]], and a few others.
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*Silver: Any [[chaotic]] monsters.
**Monsters that cast powerful necromantic spells, such as [[deep elf death mage]]s, [[deep dwarf necromancer]]s, and [[orc sorcerer]]s.
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**[[Shapeshifter (monster)|Shapeshifters]], ([[very ugly thing|very]]) [[ugly thing]]s, [[abomination]]s, [[Killer Klown]]s, [[The Royal Jelly]], and [[Tiamat]].
**Monsters in the service of evil gods, including [[orc priest]]s, [[deep elf priest]]s, and [[deep dwarf death knight]]s.
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**Monsters with [[mutation]]-inflicting attacks, such as [[orbs of fire]] and [[apocalypse crab]]s.
*Silver
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**Anything you've [[Polymorph Other|polymorphed]]
**Monsters which are native to [[the Abyss]], such as [[wretched star]]s and [[apocalypse crab]]s.
 
**Monsters with [[mutation]]-inflicting attacks, such as [[orbs of fire]] and [[neqoxec]]s.
 
**Anything you've [[Polymorph Other|polymorphed]].
 
 
*Dragon slaying
 
*Dragon slaying
**All [[list of dragons|dragons]].
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**All [[list of dragons|dragons]]
*Orc slaying
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**All [[list of draconians|draconians]]
**All [[list of orcs|orcs]].
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[[category:intrinsic]]

Latest revision as of 18:32, 26 September 2024

Version 0.32: This article is up to date for the latest stable release of Dungeon Crawl Stone Soup.

Not to be confused with the vulnerability status effect.

Vulnerability is a specific weakness in the protections or defences surrounding someone or something. In Crawl, monsters and players can be vulnerable to any of a number of elements, to varying degrees.

Players

Players can be vulnerable to fire, cold, poison, electricity, holy, silver, and dragon slaying effects. In most cases, being vulnerable to an element causes that element to do 150% damage to the player. Poison vulnerability causes poison to last twice as long as it ordinarily would. There is no difference in damage if you gain more levels of vulnerability, though more vulnerability needs more resistance to compensate.

Silver behaves differently than the others; the additional damage it causes scales with the number of mutations you currently have instead of being determined by specific ranks of vulnerability. Being in a form will cause you to take +75% damage from silver.

Dragon Slaying is only found on the unrand Wyrmbane, dealing +75% damage to all dragon and draconian-type monsters.

Sources of player vulnerability are, by element:

  • Cold
  • Fire
    • Rings of ice give one level per ring worn
    • White draconians that cast Dragon Form gain one rank of fire vulnerability
    • Being a mummy
    • The Fire Vulnerability mutation
    • Occasionally found on artefacts
  • Poison
  • Electricity
  • Holy
    • Being undead, whether naturally or through the talisman of death. The undead races can never be rid of this vulnerability, although thankfully, holy attacks are fairly rare before extended
    • Being a demonspawn
  • Silver
    • Each mutation you possess increases damage from silver weapons by 5% (up to a maximum of 175%). Innate mutations do not count for this unless you are a demonspawn
    • Being in any form causes you to take 175% damage
  • Dragon slaying

Monsters

Monsters can be vulnerable to all of the same elements as players, save for electricity. Vulnerability works fairly similarly, except that it is only ever one level for monsters, and it causes them to take 200% damage from elemental melee damage. They can gain vulnerability through items just as players do, and many monsters start off with them.

As stated above, holy vulnerability does not specifically relate to weapons of holy wrath. Holy weapons only cause extra damage to monsters which are demonic or undead; many "evil" spellcasters also have holy vulnerability, but do not take extra damage from weapons of holy wrath. They will, however, take more damage from player-invoked cleansing flame.

A non-exhaustive list of monsters vulnerable to the various elements is given below: