Arcane Defense

(Tome and Blood: A Guidebook to Wizards and Sorcerers, page 38, DnD 3.0)

[General]

Choose a school of magic, such as Illusion. You can resist spells from that school better than normal.

Prerequisite

Spell Focus in the school chosen

Benefit

Add +2 to your saving throws against spells of the chosen school.

Special

You can gain this feat multiple times. The effects do not stack. Each time you take the feat, it applies to a new school of magic.