You are searching for sources of power for Astalor. If «[DNT] Pack Ambush Heartbeat»: - Pack Ambush A pack of serpentine scouts attack you from the shadows while in combat. If «[DNT] Corpse Snake Heartbeat»: - Exploding Corpse Snakes Snakes erupt from enemy corpses, inflicting Nature damage on death. If «[DNT] Toxic Snare Heartbeat»: - Toxic Snare Nets are thrown at your location in combat, slowing you and inflicting Nature damage.