Master Of Shadow
(Drow of the Underdark, page 51, DnD 3.5)
[General]
You gain extra uses of your drow powers of light and darkness.
Prerequisite
Drow
Benefit
You gain one extra daily use of each of your drow spell-like abilities (dancing lights, darkness,
and faerie fire).
In addition, you gain a +2 bonus to your caster level with these spell-like abilities