Brann Spankin' New

Brann Spankin' New is a dungeon & raids achievement earned for defeating the Tribunal of Ages encounter in the Halls of Stone on Heroic difficulty without allowing Brann Bronzebeard to take any damage.

Strategy
After beginning the encounter, have your group stand near the top of the stairs and pick up then kill all incoming adds before they can reach Brann. This achievement is easily soloable at 90+.