Child of the Void (3.5e Feat)
From D&D Wiki
Child of the Void [Racial]
Even when your body walks in the mortal world, you can transcend partially into the void.
Benefit: You can partially exist in the Void. You can cast Resistance as spell-like ability, you can cast this an infinite amount of times per day. At level 10, you gain the ability cast Displacement as a spell-like ability, this can be cast five times per day. Once you reach fifteenth level, you gain the ability to cast Shadow Walk as a spell-like ability, this can be cast three times per day.