Difference between revisions of "Aura"

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'''Auras''' are passive abilities that emanate out of certain characters and monsters, affecting anything that comes within their range. The exact effect this has varies by aura.
 
'''Auras''' are passive abilities that emanate out of certain characters and monsters, affecting anything that comes within their range. The exact effect this has varies by aura.
  
===[[Corona|Halo]]===
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==Halo==
Halo auras emanate forth from certain holy weapons, monsters, and characters. They have the following effects:
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Halo auras emanate forth from certain holy weapons, monsters, and characters. It has the following effects:
*Negate [[invisibility]] of anything within the aura.
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*Negates [[invisibility]] of anything inside.
*Divides the [[stealth]] of all beings within the aura by roughly 2.5.
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*Makes everything inside easier to hit. Attackers gain <code>1 + 1d8</code> [[to-hit]] against anything inside. However, when players emit a halo, they aren't any easier to hit.
*Causes all hostiles within the aura to glow, as though affected by [[Corona]].
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*Players have their [[stealth]] reduced by a factor of x40%.
  
Sources:
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'''Sources:'''
 
*Worshipers of [[the Shining One]] receive a halo with range based on [[piety]] (very small to nearly your entire [[line of sight]])
 
*Worshipers of [[the Shining One]] receive a halo with range based on [[piety]] (very small to nearly your entire [[line of sight]])
*Characters wielding the [[Mace of Brilliance]] receive a small halo.
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*Characters wielding an [[light|orb of light]] or the unrand artifact morningstar [[Eos]] receive a medium halo.
*All [[List of holy monsters|holy monsters]] have halos, the size of which depends on the monster in question. Weaker creatures like [[holy swine]] have tiny halos while powerful creatures like [[seraph]]im and [[ophan]]im have extremely large halos.
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*[[Wu Jian]]'s Heavenly Storm causes a 2-tile halo for its duration.
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*Most [[List of holy monsters|holy monsters]] have halos, the size of which depends on the monster in question. Weaker creatures like [[holy swine]] and [[sun moth]]s have tiny halos while powerful creatures like [[seraph]]im and [[ophan]]im have extremely large halos.
  
===Umbra===
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==Umbra==
The opposite of a halo, umbras emanate forth from unholy angelic beings. They have the following effects:
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The opposite of a halo, umbras emanate forth from unholy angelic beings. It has the following effects:
*Double stealth of all beings within the aura.
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*Reduces the accuracy of all hostiles within the aura (except for [[demon]]s, the [[undead]], and [[Yredelemnul]] worshipers).
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*Reduces the accuracy of all within the aura. [[Demon]]s, [[undead]], and worshippers of [[Dithmenos]] and [[Yredelemnul]] are immune to this effect.
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*When players emit an umbra, their [[stealth]] increases by a factor dependent on source. ×1.5 for the [[ring of Shadows]], ×1.0 to ×2.0 (depending on piety) for Dithmenos worshippers.
 +
*Allows use of Dithmenos' Shadow Step ability.
 
*Negates the effect of any halo they overlap with.
 
*Negates the effect of any halo they overlap with.
  
Sources:
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'''Sources:'''
 
*[[Profane servitor]]s have a large umbra.
 
*[[Profane servitor]]s have a large umbra.
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*Wearers of the [[ring of Shadows]] have a medium umbra.
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*Worshipers of [[Dithmenos]] receive an umbra with range based on piety (very small to your entire line of sight)
  
===[[Ring of Flames]]===
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==Ring of Flames==
Ring of Flames auras emanate one tile all around their source, creating [[cloud]]s of flame all around you. These clouds linger for a few turns even after the source moves away. The aura has the following effects:
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The [[Ring of Flames]] emanates one tile all around their source, creating [[flame cloud]]s. These clouds linger for a few turns even after the source moves away. It has the following effects:
*Negate any [[Ice Magic]] that strikes the clouds.
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*Negates any [[Ice Magic]] that strikes the clouds.
 
*Deals [[fire]] damage to anything standing in the clouds (but does not injure the source).
 
*Deals [[fire]] damage to anything standing in the clouds (but does not injure the source).
*''Player version only'': Increases the [[spell power]] of [[Fire Magic]], provides 2 ranks of fire resistance and 2 ranks of cold [[vulnerability]].
 
  
Sources:
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'''Sources:'''
*Players can cast the [[Ring of Flames]] spell to temporarily gain this aura.
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*Players can wear the [[salamander hide armour]] to gain this aura.
 
*[[Asmodeus]] has a permanent Ring of Flames aura surrounding him.
 
*[[Asmodeus]] has a permanent Ring of Flames aura surrounding him.
  
===[[Tornado]]===
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==Polar Vortex==
Tornado auras emanate out from certain rare monsters and players with access to very powerful [[Air Magic]]. They have the following effects:
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The [[Polar Vortex]] aura emanates when you cast the spell of the same name. It has the following effects:
*Deals heavy wind damage to everything (except the source) within the aura.
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 +
*Deals heavy, partially irresistible cold damage to everything (except the source) within the aura.
 
*Moves all affected targets (monsters, items, clouds, etc.) counterclockwise around the source each turn.
 
*Moves all affected targets (monsters, items, clouds, etc.) counterclockwise around the source each turn.
  
Sources:
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'''Sources:'''
*Players can cast the [[Tornado]] spell to temporarily gain this aura.
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*Players and monsters can cast the spell to temporarily gain this aura.
*[[Diamond obelisk]]s and [[twister]]s have permanent Tornado auras surrounding them.
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*[[Diamond obelisk]]s and [[twister]]s have permanent Polar Vortex auras surrounding them.
 +
 
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==Silence==
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When [[Silence]] auras emanate from a monster or the player, most creatures within the aura lose the ability to make any noise, including speech. This prevents:
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*Reading scrolls
 +
*Casting spells (all spells for the player)
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*Using [[god|divine]] abilities
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*[[T|Shouting]]
  
===[[Silence]]===
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Monsters are unable to use spells/abilities with the "Wizard", "Divine", or "Vocal" [[spell slot flag]]s. Monsters can use "Magical" or "Natural" abilities in silence (most [[demon]]s use "Magical" abilities, for instance).
When silence auras emanate from a monster or the player, most creatures within the aura lose the ability to make any noise, including speech. This prevents:
 
*Casting spells
 
*Reading [[scroll]]s
 
*Directing allies
 
*Invocable [[ability|abilities]] (evocable ones remain unaffected)
 
  
All [[demon]]s and [[:Category:Silence Immune|some other creatures]] can ignore the effects of silence.
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When players emit the aura, their [[stealth]] is reduced by 50.
  
Sources:
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'''Sources:'''
 
*Players can cast the [[Silence]] spell or use a [[scroll of silence]] to temporarily gain this aura.
 
*Players can cast the [[Silence]] spell or use a [[scroll of silence]] to temporarily gain this aura.
*[[Mennas]] can cast Silence.
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{{monsters with spell|Silence}}
*[[Silent spectre]]s have permanent, 12-tile auras of silence.
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The following enemy inherently radiates Silence
 
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* {{monsterlink|Silent spectre}} (as a permanent 12-tile aura, whether awake or [[dormant]])
===[[Suppression]]===
 
Supression auras function similarly to silence auras, except that they disable some of the magical features of your items while leaving your own magical and divine powers untouched. This prevents:
 
*Use of any [[wand]]s or [[rod]]s.
 
*Use of any miscellaneous [[evocable items]].
 
*The [[brand]]s and [[ego]]s of your weapons, armour, and jewelry.
 
*The combat and spellcasting benefits of [[magical staves]].
 
 
 
This does ''not'' disable:
 
*The base damage, accuracy, and AC of your equipment.
 
*The racial bonuses of your equipment (if applicable).
 
*The positive or negative enchantment level of your equipment.
 
*[[Curse]]s.
 
*The unpleasant effects of unwielding [[distortion]] or [[vampiric]] weapons.
 
 
 
Source:
 
*[[Moths of suppression]] naturally produce this aura.
 
 
 
===[[Demonspawn mutations#Powered by Death|Powered by Death]]===
 
When active, a Powered by Death aura will increase your character's [[regeneration rate]] by 100 for each [[corpse]] with its range, which rises with each mutation rank. This also decomposes all affected corpses slightly faster.
 
 
 
Source:
 
*Some [[demonspawn]] characters will develop this mutation as they gain levels.
 
  
 
==History==
 
==History==
Suppression was added in [[0.12]]
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*In [[0.27]], [[Tornado]] was replaced with the cold themed, functionally similar [[Polar Vortex]].
 
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*In [[0.26]], the [[Ring of Flames]] spell and aura is now triggered by the [[salamander hide armour]].
[[Lava Orc]]s, which are currently playable in [[trunk]], will emanate 1-tile heat auras when their temperature is maxed out.
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*Prior to [[0.19]], [[Powered by Death]] gave regeneration from nearby corpses, relying on an aura to do so.
 
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*The [[Moth of suppression]] and [[Suppression]] auras were added in [[0.12]], and removed in [[0.14]].
In [[0.14]], followers of [[Dithmengos]] will gain umbra auras.
 
 
 
[[Category:Crystal Ball Articles]]
 

Latest revision as of 18:14, 16 December 2023

Version 0.30: This article may not be up to date for the latest stable release of Crawl.

Auras are passive abilities that emanate out of certain characters and monsters, affecting anything that comes within their range. The exact effect this has varies by aura.

Halo

Halo auras emanate forth from certain holy weapons, monsters, and characters. It has the following effects:

  • Negates invisibility of anything inside.
  • Makes everything inside easier to hit. Attackers gain 1 + 1d8 to-hit against anything inside. However, when players emit a halo, they aren't any easier to hit.
  • Players have their stealth reduced by a factor of x40%.

Sources:

Umbra

The opposite of a halo, umbras emanate forth from unholy angelic beings. It has the following effects:

  • Reduces the accuracy of all within the aura. Demons, undead, and worshippers of Dithmenos and Yredelemnul are immune to this effect.
  • When players emit an umbra, their stealth increases by a factor dependent on source. ×1.5 for the ring of Shadows, ×1.0 to ×2.0 (depending on piety) for Dithmenos worshippers.
  • Allows use of Dithmenos' Shadow Step ability.
  • Negates the effect of any halo they overlap with.

Sources:

Ring of Flames

The Ring of Flames emanates one tile all around their source, creating flame clouds. These clouds linger for a few turns even after the source moves away. It has the following effects:

  • Negates any Ice Magic that strikes the clouds.
  • Deals fire damage to anything standing in the clouds (but does not injure the source).

Sources:

Polar Vortex

The Polar Vortex aura emanates when you cast the spell of the same name. It has the following effects:

  • Deals heavy, partially irresistible cold damage to everything (except the source) within the aura.
  • Moves all affected targets (monsters, items, clouds, etc.) counterclockwise around the source each turn.

Sources:

  • Players and monsters can cast the spell to temporarily gain this aura.
  • Diamond obelisks and twisters have permanent Polar Vortex auras surrounding them.

Silence

When Silence auras emanate from a monster or the player, most creatures within the aura lose the ability to make any noise, including speech. This prevents:

  • Reading scrolls
  • Casting spells (all spells for the player)
  • Using divine abilities
  • Shouting

Monsters are unable to use spells/abilities with the "Wizard", "Divine", or "Vocal" spell slot flags. Monsters can use "Magical" or "Natural" abilities in silence (most demons use "Magical" abilities, for instance).

When players emit the aura, their stealth is reduced by 50.

Sources:

The following enemies cast Silence:

The following enemies may be able to cast Silence, depending on their spell set:

The following enemy inherently radiates Silence:

History