Greater Spell Penetration
(Epic Level Handbook, page 69, DnD 3.0)
[General]
Your spells are especially potent, defeating spell resistance more readily than normal.
Prerequisite
Spell Penetration
Benefit
You get a +4 bonus on caster level checks to beat a creature's spell resistance. This benefit overlaps (does not stack with) the bonus from "Spell Penetration":feats/players-handbook-v35--6/spell-penetration--2707/.