Disrupting Weapon

Level: Clr 5
School: Transmutation
Components: V, S
Casting Time: 1 standard action
Range: Touch
Targets: One melee weapon
Duration: 1 round/level
Saving Throw: Fort negates
Spell Resistance: No

This spell makes a melee weapon deadly to the undead. Any undead creature with HD equal to or less than your caster level must succeed on a Fort save or be destroyed utterly when struck in combat with this weapon. Spell resistance does not apply against the destruction effect.