Magic:Aura Versus Alignment

Abjuration [ Good ], [ Evil ]
Level: Clr 8, Good 8, Evil 8
Innate Level: 8
Component(s): V, S
Casting Time: 1 Action
Range: Personal
Target: Caster
Duration: 1 Round/Level
Counter(s): --
Saving Throw: None
Spell Resistance: Yes
Metamagic: Extend, Silent, Still
Energy Substitution: No

When this spell is cast, the caster chooses to be protected from either good or evil. He receives a +4 deflection bonus to AC immunity to mind-affecting spells and spell-like abilities used by creatures of the chosen alignment, and spell resistance 25 against spells cast by creatures of the chosen alignment. All creatures, regardless of alignment, also take 1d8 + caster level damage each time they successfully strike the Cleric.