Your tainted form has altered the physical nature of your brain, making you resistant to mental effects and more capable of unleashing the power of your mind on others.
Prerequisite: Aberration Blood.
Benefit: You gain a racial bonus on Will saves against mind affecting spells and abilities equal to one-half the number of aberrant feats you possess.
You gain 1 psionic power point for each aberrant feat you possess.
Source: Lords of Madness, page 182.