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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]], the [[demonspawn mutation]] [[Big Brain]], and [[Coglin]] gizmos.

==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%).

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===
{| class="wikitable" border=1
|-
!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#Modifiers|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]], [[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 [[0.14]], a staff of wizardry granted a better wizardry bonus than a [[ring of wizardry]].

==References==
<references />

[[Category:Magic]]

Wizardry - Revision history

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