Difference between revisions of "Channeling"

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(Channeling formula was updated in a commit a couple days before release)
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{{flavour|Dramatically increases the user's regeneration of magical power for a duration that increases with Invocations skill.}}
 
{{flavour|Dramatically increases the user's regeneration of magical power for a duration that increases with Invocations skill.}}
  
'''Channeling''' is the act of restoring MP to a character. There are two types:
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'''Channeling''' is the act of passively restoring MP to a character (as opposed to using an action to restore MP with a [[potion of magic]] or the [[Sublimation of Blood]] spell). There are two types:
  
 
==Active Channeling==
 
==Active Channeling==
'''Channel Magic''' is an [[ability]] that allows worshipers of [[Sif Muna]] to restore [[MP]] much more quickly. You gain this ability at * [[piety]].
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'''Channel Magic''' is an [[ability]] that allows worshipers of [[Sif Muna]] to restore [[MP]] much more quickly. Followers gain this ability at 1* [[piety]].  
The ability's success rate starts at 60%, increased by 4% for each of your levels of [[Invocations]] and additionally by <code>piety/25</code>%.
 
  
The amount of MP recovered is 3-5 per turn for <code>4 + random2avg(2 * Invocations / 3)</code> turns, which is roughly equal to 4 to <code>4 + 0.66 * Invocations</code> turns.
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{{crawlquote|
 
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'''Success rate:''' (60 + 4*[[Invocations]])/100 + [[Piety]]/25<br>
In addition, the spell [[Sublimation of Blood]] converts [[HP]] into MP, using a different mechanic.
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'''MP Recovered:''' 3-5 per turn for (4 + random2avg(2 * Invocations / 3)) turns, or roughly (4 + 2*Invocations/3) turns
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}}
  
 
==Passive Channeling==
 
==Passive Channeling==
The [[orb of Energy|orb of energy]] and [[staff of Wucad Mu]] allow you to passively channel energy. The latter counts are two sources of channeling.
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[[Orb]]s of [[energy]] and the [[staff of Wucad Mu]] allow you to passively channel energy, refunding the MP costs of spells you cast. An orb counts as 2 sources, while the staff counts as 3.
  
When casting a spell while wielding a source of passive channeling you have an <code>Sources * Evocations / 54</code> chance of regaining the MP used in the spell. Each time this happens, you have a <code>1 / (Evocations - MP cost)^sources</code> chance of either being confused for <code>1 + 1d4</code> turns or losing 1-5 [[intelligence]].
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When casting a spell while wielding a source of passive channeling, you have a <code>Sources * Evocations / 108</code> chance of regaining the MP used in the spell.<ref>{{source ref|0.28.0|spl-cast.cc|688}}</ref> Each time this happens, you have a <code>1 / (Evocations - MP cost)</code> chance of either being confused for <code>1 + 1d4</code> turns or losing 1-5 [[intelligence]]<ref>{{source ref|0.28.0|spl-cast.cc|694}}</ref>.
  
 
==History==
 
==History==
*Prior to [[0.28]], different sources of passive channeling did not exist (thus, they could not stack)
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*The ability to stack multiple sources of passive channeling was added in [[0.28]].
*Prior to [[0.26]], you could actively channel magic by using a [[staff of energy]] [[Evocations]] skill. In [[0.27]], the [[staff of Wucad Mu]]'s active channeling was removed, too. Both staves' channeling would decrease in success as your MP decreased.
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*Prior to [[0.27]], the staff of Wucad Mu could be e'''v'''oked to actively restore MP. Its success rate increased with [[Evocations]] skill (though it was never foolproof), but decreased with the wielder's remaining MP.
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*Prior to [[0.26]], you could actively channel magic by e'''v'''oking a [[staff of energy]]; this provided fewer MP, but could not backfire.
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*Prior to [[0.25]], a [[crystal ball of energy]] could be used as a high-risk way to restore MP, much like the staff of Wucad Mu.
 
*Prior to [[0.24]], Channel Magic was Sif Muna's *** ability.
 
*Prior to [[0.24]], Channel Magic was Sif Muna's *** ability.
*Prior to [[0.19]], Channel Magic was not based on a duration. With each use, it recovered a small amount of MP, depending on Invocations skill, and cost hunger but no piety. It was also referred to as '''Channel energy'''.
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*Prior to [[0.19]], Sif Muna instead granted '''Channel Energy''', which was a repeatably usable ability, not a duration. With each use, it restored a small amount of MP (depending on Invocations skill) and cost [[hunger]] but no piety.
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==References==
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<references />
  
 
[[Category:Abilities]]
 
[[Category:Abilities]]
 
[[Category:Religion]]
 
[[Category:Religion]]
 
[[Category:Invocations]]
 
[[Category:Invocations]]

Revision as of 08:54, 4 February 2022

Version 0.28: This article may not be up to date for the latest stable release of Crawl.
Dramatically increases the user's regeneration of magical power for a duration that increases with Invocations skill.

Channeling is the act of passively restoring MP to a character (as opposed to using an action to restore MP with a potion of magic or the Sublimation of Blood spell). There are two types:

Active Channeling

Channel Magic is an ability that allows worshipers of Sif Muna to restore MP much more quickly. Followers gain this ability at 1* piety.

Success rate: (60 + 4*Invocations)/100 + Piety/25
MP Recovered: 3-5 per turn for (4 + random2avg(2 * Invocations / 3)) turns, or roughly (4 + 2*Invocations/3) turns

Passive Channeling

Orbs of energy and the staff of Wucad Mu allow you to passively channel energy, refunding the MP costs of spells you cast. An orb counts as 2 sources, while the staff counts as 3.

When casting a spell while wielding a source of passive channeling, you have a Sources * Evocations / 108 chance of regaining the MP used in the spell.[1] Each time this happens, you have a 1 / (Evocations - MP cost) chance of either being confused for 1 + 1d4 turns or losing 1-5 intelligence[2].

History

  • The ability to stack multiple sources of passive channeling was added in 0.28.
  • Prior to 0.27, the staff of Wucad Mu could be evoked to actively restore MP. Its success rate increased with Evocations skill (though it was never foolproof), but decreased with the wielder's remaining MP.
  • Prior to 0.26, you could actively channel magic by evoking a staff of energy; this provided fewer MP, but could not backfire.
  • Prior to 0.25, a crystal ball of energy could be used as a high-risk way to restore MP, much like the staff of Wucad Mu.
  • Prior to 0.24, Channel Magic was Sif Muna's *** ability.
  • Prior to 0.19, Sif Muna instead granted Channel Energy, which was a repeatably usable ability, not a duration. With each use, it restored a small amount of MP (depending on Invocations skill) and cost hunger but no piety.

References