You have learned to reduce the arcane spell failure chance caused by wearing armor.

Prerequisite(s): Dex 15, Armor Proficiency (heavy), base Fortitude save +3.

Benefit: When wearing armor that you are proficient in, the arcane spell failure chance of your armor is reduced by 10 percent. This feat has no effect on the arcane spell failure chance caused by shields.

Special: You may not gain this feat more than once. However, its effects stack with arcane spell failure reductions from other sources.