Difference between revisions of "Wizardry"
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| − | '''Wizardry''' refers to items and effects that directly reduce the chance of failure when casting spells. These are provided by [[ring of wizardry|rings]] | + | '''Wizardry''' refers to items and effects that directly reduce the chance of failure when casting spells. These are provided by [[ring of wizardry|rings]], the [[demonspawn mutation]] [[Big Brain]], and [[Coglin]] gizmos. |
==Useful Info== | ==Useful Info== | ||
With at least one source of wizardry, your [[Spell Success#Modifiers|raw spell failure]] is multiplied by <code>6 / (7 + sources)</code>. This is applied after calculating spell failure from skills and other modifiers, though failure is modified by a [[Spell_Success#Final Step|further modifier]]. 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%). | With at least one source of wizardry, your [[Spell Success#Modifiers|raw spell failure]] is multiplied by <code>6 / (7 + sources)</code>. This is applied after calculating spell failure from skills and other modifiers, though failure is modified by a [[Spell_Success#Final Step|further modifier]]. 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%). | ||
| − | There is no hard limit to the | + | There is no hard limit to the amount of wizardry that can apply at once. |
| − | + | Certain effects, such as [[Vehumet]]'s destructive spell boost, are not considered wizardry, but they stack multiplicatively with wizardry. | |
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===Table=== | ===Table=== | ||
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|Vehumet + Wiz x3 || 40% | |Vehumet + Wiz x3 || 40% | ||
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| + | ==Strategy== | ||
| + | Wizardry is useful as it allows casters to access spells earlier. The first level of wizardry provides the biggest bonus, and any wizardry past that has a greatly diminished return. | ||
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==See Also== | ==See Also== | ||
*[[Spell success#Modifiers|Spell success]] for details on how wizardry affects failure rate. | *[[Spell success#Modifiers|Spell success]] for details on how wizardry affects failure rate. | ||
Latest revision as of 22:55, 14 February 2026
Version 0.34: 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 the chance of failure when casting spells. These are provided by rings, the demonspawn mutation Big Brain, and Coglin gizmos.
Useful Info
With at least one source of wizardry, your raw spell failure is multiplied by 6 / (7 + sources). This is applied after calculating spell failure from skills and other modifiers, though failure is modified by a further modifier. 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%).
There is no hard limit to the amount of wizardry that can apply at once.
Certain effects, such as Vehumet's destructive spell boost, are not considered wizardry, but they stack multiplicatively with wizardry.
Table
| Wizardry | Raw Fail Multi. | Wizardry | Raw Fail Multi. |
|---|---|---|---|
| Wizardry x1 | 75% | ||
| Wizardry x2 | 66.67% | Vehumet | 66.67% |
| Wizardry x3 | 60% | Vehumet + Wiz x1 | 50% |
| Wizardry x4 | 54.55% | Vehumet + Wiz x2 | 44.4% |
| Wizardry x5 | 50% | Vehumet + Wiz x3 | 40% |
Strategy
Wizardry is useful as it allows casters to access spells earlier. The first level of wizardry provides the biggest bonus, and any wizardry past that has a greatly diminished return.
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).
