Type: Epic
Sources: Complete Arcane
Epic Level Handbook
Your spells are tremendously potent, breaking through spell resistance with ease.
Prerequisite: Greater Spell Penetration, Spell Penetration
Benefit: You get a +6 bonus on caster level checks to beat a creature's spell resistance. This overlaps (does not stack with) the bonuses from Spell Penetration and Greater Spell Penetration.