Trials of the Archons

Quests
All the Gatekeepers favor, heroic level 13 and epic level 30. The Celestial Alliance is the name of the story arc where the storyline involves a classic DnD artifact Codex of the Infinite Planes.
 * The Archons' Trial
 * Demon Assault
 * The Devil's Details
 * Defiler of the Just (Epic-only raid, requires completion of above 3 quests)