Disrupting Weapon

Transmutation
Level: Destruction 5, Paladin 5
Components: V, S
Casting Time: 1 standard action
Range: Touch
Targets: One melee weapon
Duration: 1 round/level
Saving Throw: Will negates (harmless, object); see text
Spell Resistance: Yes (harmless, object)
Spell Points: 9

The weapon you touch becomes the bane of all undead.

Any undead creature with HD equal to or less than 9 must succeed on a Will save or be destroyed utterly if struck in combat with this weapon. Spell resistance does not apply against the destruction effect.

Augment: For every additional spell point you spend, the weapon can affect an undead creature with 2 more HD.