Improved Sigil (Naen)
(Races of Destiny, page 153, DnD 3.5)
[Racial]
You tap into your naen power sigil to see through illusions and resist language-based effects.
Prerequisite
Illumian, naen power sigil
Benefit
Your naen power sigil grants you a +1 insight bonus per power sigil on saving throws against illusions and against language-dependent effects.