Random Magic Weapons (any level)

A weapon of disruption is the bane of all undead. Any undead creature struck in combat must succeed at a Fortitude save (DC 14) or be destroyed. A weapon of disruption must be a bludgeoning weapon.
Aura: Strong conjuration
Caster Level: 14th
Requirements: Craft Magic Arms and Armor, heal
Price: +2 bonus
Source: Dungeon Master's Guide v.3.5