We've datamined the eleven Sepulcher of the First Ones raid bosses coming in Patch 9.2, including a rematch with a familiar boss. Spoilers ahead. Below we have listed the eleven bosses in order, with Artificer Xy'mox as a returning character.
For the first week, Sepulcher will be available on Normal and Heroic difficulty up to and including Anduin, who is boss eight.
NEW 2512 Solitary Guardian NEW 2540 Dausegne, the Fallen Oracle NEW 2553 Artificer Xy'mox NEW 2544 Prototype Pantheon NEW 2542 . Read more on wowhead.com