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, five in each of the four pillars, allowing for more than one person to pay the Raid Boss fee.
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