Difference between revisions of "Wizardry"
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'''Wizardry''' refers to items and effects that directly reduce your chance of failure when casting spells. These are provided by [[ring of wizardry|rings]] and the [[demonspawn mutation]] [[Big Brain]]. | '''Wizardry''' refers to items and effects that directly reduce your chance of failure when casting spells. These are provided by [[ring of wizardry|rings]] and the [[demonspawn mutation]] [[Big Brain]]. | ||
| − | The [[Spell Success#Modifiers|raw spell failure]] is multiplied by <code>6 / (7 + sources)</code> if you have at least one source of wizardry. This is applied after calculating spell failure from skills and other modifiers, though failure is modified by a [[Spell_Success#Final Step|further modifier]]. | + | The [[Spell Success#Modifiers|raw spell failure]] is multiplied by <code>6 / (7 + sources)</code> if you have at least one source of wizardry. This is applied after calculating spell failure from skills and other modifiers, though failure is modified by a [[Spell_Success#Final Step|further modifier]]. There is no limit to the number of wizardry you can have. |
| − | If you worship [[Vehumet]], the raw spell failure of [[Vehumet#Destructive spells|destructive spells]] is further multiplied by 2/3 | + | If you worship [[Vehumet]], the raw spell failure of [[Vehumet#Destructive spells|destructive spells]] is further multiplied by 2/3. This is roughly equivalent to 2 sources of wizardry if you have none. Note that this bonus is not considered as 2 sources of wizardry; it is a multiplier applied after wizardry is calculated. |
{| class="prettytable" border=1 | {| class="prettytable" border=1 | ||
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| − | !Wizardry!!Raw Failure Multiplier | + | !Wizardry!!Raw Failure Multiplier!!Wizardry!!Raw Failure Multiplier |
|- | |- | ||
|Wizardry x1 || 75% | |Wizardry x1 || 75% | ||
| + | |Vehumet || 66.67% | ||
|- | |- | ||
|Wizardry x2 || 66.67% | |Wizardry x2 || 66.67% | ||
| + | |Vehumet + Wiz x1 || 50% | ||
|- | |- | ||
|Wizardry x3 || 60% | |Wizardry x3 || 60% | ||
| + | |Vehumet + Wiz x2 || 44.44% | ||
|- | |- | ||
|Wizardry x4 || 54.55% | |Wizardry x4 || 54.55% | ||
| − | + | |Vehumet + Wiz x3 || 40% | |
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| − | |||
| − | |Vehumet + Wiz | ||
|} | |} | ||
Generally, the actual decrease to failure rate will be ''larger'' than the raw decrease.<ref>This is true, at the very least, when your (post-wizardry failure rate) < 50%. The smaller the failure, the smaller the % multiplier (keep in mind that it ''is'' a multiplier).</ref> For example, wizardry x1 will bring actual failure rates from 80% -> 45% (×56%), 50% -> 22% (×44%), or 15% -> 6% (×37.5%). | Generally, the actual decrease to failure rate will be ''larger'' than the raw decrease.<ref>This is true, at the very least, when your (post-wizardry failure rate) < 50%. The smaller the failure, the smaller the % multiplier (keep in mind that it ''is'' a multiplier).</ref> For example, wizardry x1 will bring actual failure rates from 80% -> 45% (×56%), 50% -> 22% (×44%), or 15% -> 6% (×37.5%). | ||
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| + | ==See Also== | ||
| + | *[[Spell success#Modifiers|Spell success]] for details on how wizardry affects failure rate. | ||
==History== | ==History== | ||
| − | * | + | *Prior to [[0.31]], there was a raw failure multiplier cap of 50%. This meant you could only have 5 sources of wizardry apply at once, or Vehumet and 1 source of wizardry. |
*Big Brain was introduced in [[0.27]]. | *Big Brain was introduced in [[0.27]]. | ||
*Prior to [[0.26]], [[staff of wizardry|staves of wizardry]] existed, which gave a rank of wizardry. | *Prior to [[0.26]], [[staff of wizardry|staves of wizardry]] existed, which gave a rank of wizardry. | ||
*Prior to [[0.25]], [[potion of brilliance]] provided a temporary wizardry bonus. | *Prior to [[0.25]], [[potion of brilliance]] provided a temporary wizardry bonus. | ||
*Prior to [[0.14]], a staff of wizardry granted a better wizardry bonus than a [[ring of wizardry]]. | *Prior to [[0.14]], a staff of wizardry granted a better wizardry bonus than a [[ring of wizardry]]. | ||
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==References== | ==References== | ||
Revision as of 11:10, 15 January 2024
Version 0.31: This article is up to date for the latest stable release of Dungeon Crawl Stone Soup.
Wizardry refers to items and effects that directly reduce your chance of failure when casting spells. These are provided by rings and the demonspawn mutation Big Brain.
The raw spell failure is multiplied by 6 / (7 + sources) if you have at least one source of wizardry. This is applied after calculating spell failure from skills and other modifiers, though failure is modified by a further modifier. There is no limit to the number of wizardry you can have.
If you worship Vehumet, the raw spell failure of destructive spells is further multiplied by 2/3. This is roughly equivalent to 2 sources of wizardry if you have none. Note that this bonus is not considered as 2 sources of wizardry; it is a multiplier applied after wizardry is calculated.
| Wizardry | Raw Failure Multiplier | Wizardry | Raw Failure Multiplier |
|---|---|---|---|
| Wizardry x1 | 75% | Vehumet | 66.67% |
| Wizardry x2 | 66.67% | Vehumet + Wiz x1 | 50% |
| Wizardry x3 | 60% | Vehumet + Wiz x2 | 44.44% |
| Wizardry x4 | 54.55% | Vehumet + Wiz x3 | 40% |
Generally, the actual decrease to failure rate will be larger than the raw decrease.[1] For example, wizardry x1 will bring actual failure rates from 80% -> 45% (×56%), 50% -> 22% (×44%), or 15% -> 6% (×37.5%).
See Also
- Spell success for details on how wizardry affects failure rate.
History
- Prior to 0.31, there was a raw failure multiplier cap of 50%. This meant you could only have 5 sources of wizardry apply at once, or Vehumet and 1 source of wizardry.
- Big Brain was introduced in 0.27.
- Prior to 0.26, staves of wizardry existed, which gave a rank of wizardry.
- Prior to 0.25, potion of brilliance provided a temporary wizardry bonus.
- Prior to 0.14, a staff of wizardry granted a better wizardry bonus than a ring of wizardry.
References
- ↑ This is true, at the very least, when your (post-wizardry failure rate) < 50%. The smaller the failure, the smaller the % multiplier (keep in mind that it is a multiplier).
