Speak Your Mind (3.5e Flaw)

Speak Your Mind
Summary::You can't think your mental powers properly with your mouth shut.

Effect: If you try to manifest a power without talking about it in a normal voice or louder, there's a 50% chance that the power will fail, wasting all resources expended to manifest it.

You also get a -4 penalty to Bluff checks, because you can't help blurting things out occasionally.

Benefit: A Bonus Metapsionic Feat