Invest Heavy Protection
(Player's Handbook II)Conjuration (Healing)
Level: Cleric 5,
Components:
This spell functions like invest light protection, except that it cures 5d4 points of damage +1 per two caster levels (maximum+12) and grants damage reduction 5/evil.
Undead creatures take an extra 5 points of damage from any weapon or physical attack capable of overcoming good damage reduction.