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	The Secrets of Ulduar (10 player)	25
	Defeat every boss in Ulduar in 10-player mode.
Criteria:  The Siege of Ulduar (10 player)  The Keepers of Ulduar (10 player)  The Antechamber of Ulduar (10 player)  The Descent into Madness (10 player)

The Secrets of Ulduar is an end game raid achievement. Despite the achievement mentioning that the player has to defeat ALL the bosses in Ulduar,  Algalon the Observer is not required for this achievement.

Location

All the bosses required for this achievement are located within Ulduar.

See also

•  [The Secrets of Ulduar (25 player)]

External links

• Wowhead
• Thottbot
• DB MMO-Champion