SRD:Finaldeath

Finaldeath
This +5 undead dread ghost touch morningstar also grants its wielder immunity to energy drain attacks. Furthermore, if its wielder is capable of turning undead, he or she gains the Positive Energy Aura feat.

Caster Level: 22nd; Prerequisites: Craft Magic Arms and Armor, Craft Epic Magic Arms and Armor, death ward, plane shift, summon monster IX, creator must be able to turn undead; Market Price: 3,580,308 gp; Cost to Create: 1,790,308 gp + 45,800 XP.