Clarity of Vision

(Complete Scoundrel, page 85, DnD 3.5)

[Mental, Skill Trick]

You can briefly see invisible opponents.

Prerequisite

Spot 12 ranks

Benefit

As a swift action, you can attempt a DC 20 Spot check. If successful, you focus your vision so clearly that you can pinpoint the location of invisible creatures within 30 feet. This clarity lasts until the end of your turn.