Once all Darkfuse Mechadrones are defeated, Big M.O.M.M.A. attempts to jumpstart their depleted battery. This process causes it to take 200% increased damage and release jolts of energy every 1.5 sec sec for 12 sec. Each jolt of energy inflicts 7.2 Nature damage to all players.
Once their reserves are fully recharged, Big M.O.M.M.A. leaves behind Excessive Electrification.