3e SRD:Spellcraft Skill
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Spellcraft (Int; Trained Only)
The character can identify spells and magic effects.
|13||When using read magic, identify a glyph of warding.|
|15 + spell level||Identify a spell being cast. (The character must see or hear the spell's verbal or somatic components.) No retry.|
|15 + spell level||Learn a spell from a spellbook or scroll. (Wizard only.) No retry for that spell until the character gain at least 1 rank in Spellcraft (even if the character find another source to try to learn the spell from).|
|15 + spell level||Prepare a spell from a borrowed spellbook. (Wizard only.) One try per day.|
|15 + spell level||When casting detect magic, determine the school of magic involved in the aura of a single item or creature the character can see. (If the aura is not a spell effect, the DC is 15 + half caster level.)|
|19||When using read magic, identify a symbol.|
|20 + spell level||Identify a spell that's already in place and in effect. (the character must be able to see or detect the effects of the spell.) No retry.|
|20 + spell level||Identify materials created or shaped by magic, such as noting that an iron wall is the result of a wall of iron spell. No retry.|
|20 + spell level||Decipher a written spell (such as a scroll) without using read magic. One try per day.|
|20||Draw a diagram to augment casting dimensional anchor on a summoned creature. Takes 10 minutes. No retry. The DM makes this check.|
|30 or higher||Understand a strange or unique magical effect, such as the effects of a magic stream. No retry.|
Additionally, certain spells allow the character to gain information about magic provided that the character makes a Spellcraft check as detailed in the spell description.
If the character has 5 or more ranks of Use Magic Device, the character gets a +2 synergy bonus to Spellcraft checks to decipher spells on scrolls.