mind over energy
Class: psywarrior : 6
Syntax: cast CLASS mind over energy on <type>

When manifesting this power, the psionic character

     strengthens her mental defenses against certain types of energy. 
     The manifester must choose either fiendish (protecting her from 
     fire, electricity, and negative energy attacks) or celestial (protecting her 
     from cold, acid, and sonic attacks) when manifesting the power.