Detail
This KB lists 3 unverified bosses from Warcraft Tavern's dungeon guide (Arcane Anomaly, Unstable Sentinel, Shade of the Archmage). A different guide site, woweternity.com, instead names 4 different bosses (Arcanist Janelle, Mana Lord Varis, High Conjurer Malreth, Archmage Aethas Voidward) at the same official 28-33 level range. The Sept 17 beta client datamine (wowforeverbuilds.com, single fan tracker) counts 9 boss encounters total for the dungeon - more than either named list. None of the three sources agree and none is an official Blizzard source; treat all boss names as Unverified pending an official Blizzard encounter journal or beta player reports.