Deformity (Eyes)( Elder Evils, p. 12)
You have either drilled a hole in your forehead trying to add a third eye, or you have supernaturally scarred one of your regular eyes.
Willing Deformity (HH) ,
As a supernatural ability, you can use see invisibility for 1 minute per day.
You take a —2 penalty on Spot and Search checks.