Mission Type [[Category: missions]] The Bestest Story Ever Told is an optional mission available in Concordia. The Vault Hunter is tasked with defeating The Invincible Empyrean Sentinel in Eleseer. 20 Moonstone is required to fight this raid boss. “There's a raid boss that need defeating, and it's lurking somewhere in Eleseer. Locate the entrance and prepare yourself. Post-script: you MAY want to bring a friend. Or, you know, three.”