Demon Mastery
( Fiendish Codex I: Hordes of the Abyss, p. 85)[General]
You are particularly skilled at summoning demons and convincing them to serve you.
Prerequisite
Required for
Extract Demonic Essence (FCI) ,
Benefit
You gain a +2 bonus on Charisma checks made to resolve the effects of planar binding and similar spells. Additionally, whenever you use a spell to summon a demon, your effective caster level increases by 1 for the purpose of resolving its effects.