Sanctum of Nefarian (Lord Victor Nefarius) atop the highest peaks of Blackrock Spire.
Epic 20-player raid on the sacred slopes of Mount Hyjal in WoW: Forever, featuring 13 encounters from Bandalar and the Time-Lost Battalion to Nythus the Dreambound and The Wild King.
Fiery elemental heart of Blackrock Mountain where Ragnaros the Firelord and his ten lieutenants rule.
Dread necropolis floating above the Plaguewood in Eastern Plaguelands, seat of Archlich Kel'Thuzad and Sapphiron.
Volcanic brood-cavern in the Wyrmbog of Dustwallow Marsh, home to Onyxia, Broodmother of the Black Dragonflight.
Sun-bleached outdoor fortress of the Qiraji Empire in southern Silithus commanded by Ossirian the Unscarred.
Inner subterranean hive-temple of Ahn'Qiraj housing the Twin Emperors and the Old God C'Thun.
Subterranean druidic barrow sanctuary in WoW: Forever corrupted by the Emerald Nightmare. A 20-player raid featuring 8 bosses culminating in Sonya Darkhallow.
Ancient jungle capital of the Gurubashi Empire in Stranglethorn Vale where the Atal'ai Priests summon Hakkar the Soulflayer.