Nightmare's Equal Footing
Your opponent's sight fails at your strike, putting it on the same footing as you.
Grandmaster Training 25,000 gp
While you are bloodied, you have tremorsense 1.
Power (Augmentable, Psionic) Encounter (Free Action)
Requirement: You must be blinded.
Trigger: You hit an enemy with a melee attack.
Effect: The triggering enemy is blinded until the end of your next turn.
Augment 1: As above, but the target is blinded (save ends).
Published in Dragon Magazine 393.