Divine Spell Penetration
(Player's Guide to Faerûn, page 135, DnD 3.5)
[Epic]
Choose one component of your alignment (chaotic, evil, good, or lawful). Any divine spells of that alignment that you cast are more capable of defeating spell resistance than normal.
Prerequisite
WIS 21, Improved Alignment-Based Casting, domain of chosen alignment, alignment matching chosen component, ability to cast 9th-level divine spells
Benefit
When casting spells of the chosen alignment, you gain a +4 bonus on caster level checks made to overcome spell resistance.