Improved Sigil (Vaul)
(Races of Destiny, page 153, DnD 3.5)
[Racial]
You tap into your vaul power sigil to resist mental effects.
Prerequisite
Illumian, vaul power sigil
Benefit
Your vaul power sigil grants you a +1 insight bonus per power sigil on saving throws against mind-affecting spells and abilities.