The Sentinel (enemy)

The Invicible Empyrean Sentinel is a raid boss on Borderlands The Pre Sequel. It is a stronger version of The Empyrean Sentinel which is the last boss of the said game, and can be summoned using the 4 pillars located infront of the entrance to the last boss located in Eleseer once the main story missions been completed. The mission to kill him, appropriately named [[The Bestest Story Ever Told]], is given by the bounty board located in Concordia.

Accessing Empyrean Sentinel costs 20 pieces of Moonstone.