Cerberus, Gate Guardian

+2: Spirit Howl. Spirits in a 10 foot radius centered around Cerberus are released from bonds and return to the Gates of the Afterlife.
-1: Pack of the Gate Guardian. Pact Bound of Cerberus in a 120 ft radius gain resistance to necrotic damage and advantage against necromancy spells.
-3: Banishment. Every Undead, Necromancer and nemeses Pact Bound has to roll a Wis Save, suffering 1 attack by Cerberus.Fail = Attack with advantage.