Dazzling Fire( Drow of the Underdark, p. 48)
The illumination you can bestow on others impedes their ability to fight.
Faerie ﬁre as a spell-like ability,
Radiant Flicker (DrU) ,
When you use faerie fire as a spell-like ability, you can choose also to render the target of the faerie fire effect dazzled for its duration.
You also gain one extra daily use of your faerie fire spell-like ability.