AQ40, or Ahn'Qiraj 40, is a raid instance in the popular MMORPG World of Warcraft. It was introduced in the game's 3.1 patch and is set in the ancient city of Ahn'Qiraj, which is home to the Qiraji race. The raid features 40-player encounters and includes several challenging bosses, each requiring teamwork and strategy to defeat. The primary objective of AQ40 is to defeat the bosses and ultimately confront C'Thun, the final encounter. Players can earn unique loot, including powerful gear and items, as well as achievements for completing the raid. AQ40 is known for its rich lore and immersive environment.