Reactive Resistance

(Drow of the Underdark, page 52, DnD 3.5)

[General]

Through extensive practice and meditation, you can lower your spell resistance quickly.

Prerequisite

Spell resistance

Benefit

You can lower your spell resistance as an immediate action. It returns to normal at the start of your next turn.

Normal

Lowering spell resistance for 1 round is a standard action.