You have to survive 4 waves of torments who converge on the resurrection shrine next to the exit to the Gate of Torment. The third wave consists of multiple Arms of Insanity plus a Blade of Corruption boss, and the fourth consists of multiple Rains of Terror and a Shadow of Fear boss. Neither of the bosses have personal names, but can be recognised by their coloured sheen. Always bring down the spellcasters first! * For those "desperate necromancers" who want the elite skill: * Alternate approach: * Another approach * Calling in backup: