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{{Spell<br />
|name=Stoneskin<br />
|level=2<br />
|school1={{Earth Magic}}<br />
|school2={{Transmutations}}<br />
|school3=<br />
|sources=<div><br />
* [[Book of Geomancy]]<br />
* [[Book of Transfigurations]]<br />
</div><br />
|castingnoise=2<br />
|spellnoise=0<br />
}}<br />
<br />
{{flavour|Hardens the caster's skin. It has no effect on the undead or those under the effects of most types of transformation.}}<br />
<br />
'''Stoneskin''' is a level 2 [[Earth Magic]]/[[Transmutations]] spell which temporarily makes the caster's skin hard as stone.<br />
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==Useful Info==<br />
Stoneskin grants a temporary bonus to [[AC]]:<br />
<br />
{{crawlquote|'''AC Bonus:''' 2 + (power/20)<br>'''Max:''' +7}}<br />
<br />
Each casting increases Stoneskin's duration by <code>8 + 2d(power)</code> turns, up to a maximum of 50.<br />
<br />
This AC bonus stacks with [[Statue Form]], but it can't be combined with [[Ozocubu's Armour]]. It does not work with most [[form]] spells; only [[Beastly Appendage]], [[Blade Hands]], and Statue Form work with Stoneskin. The [[undead]] ([[Ghoul]]s, [[Mummies]], [[Vampires]] below [[food|Full]]) can't use this spell.<br />
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==Strategy==<br />
A weaker version of [[Ozocubu's Armour]], without encumbrance restrictions, that doesn't melt against [[fire]]. If you can cast Stoneskin (but not Ozocubu's), it's generally worth using - either during exploration or at the start of most fights.<br />
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Note that Stoneskin will not notify you when its duration is almost over. Should you be in the middle of a pitched battle, consider casting it again when you have a spare turn to guarantee you maintain your AC bonus until the end of the fight.<br />
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==History==<br />
* Stoneskin was removed in [[0.18]].<br />
* Prior to [[0.17]], the effects of this spell were boosted while in Statue Form, using the formula 3 + ((11 * spell power)/100) (Max +14).<br />
* Prior to [[0.15]], this spell's AC bonus was dependent on your Earth Magic skill, not your spell power, using the following formula:<br />
{{crawlquote|'''AC Bonus:''' 2 + (Earth Magic/5)<br>'''Max:''' +7 at 25 Earth Magic<br>'''w/ Statue Form: '''3 + ((9 * Earth Magic)/20)<br>'''Max:''' +12 at 27 Earth Magic}}</div>Maintenance script