Disrupt undead
wizard utility
Effect: "The target's necrotic resistance, if any, is reduced by 5 until the end of your turn."
Disrupt undead is a wizard at-will utility power. It reduces an undead target's resistance to necrotic damage for the remainder of the turn. Disrupt undead can be chosen as a cantrip by wizards with the Cantrips class feature.[HoS:99]