Spell-Like Ability Focus
(Races of Faerun, page 168, DnD 3.0)
[General]
Choose one of your spell-like abilities. This attack becomes more potent than normal.
Prerequisite
Spell-like ability
Benefit
Add +2 to the DC for all saving throws against the spell-like ability on which you focus.
Special
You can gain this feat multiple times. Its effects do not stack. Each time you take the feat, it applies to a new spelllike ability.