After absorbing an Essence of Nightmare, Ra-den infects an enemy with 5 stacks of Unstable Nightmare for 7 sec. Upon expiration the inflicted player explodes with nightmare energy, consuming a stack of Unstable Nightmare and inflicting 70 Shadow damage to all enemies within 15 yards. All players hit are afflicted with Unleashed Nightmare. All remaining stacks are transferred to the nearest friendly ally.