Don't Look Up

Don't Look Up is a Lich King Heroic achievement implemented in Patch 3.3.0.

Details
Scourgelord Tyrannus is the final encounter in the Pit of Saron.

Strategy
The gauntlet before him contains falling ice chunks that show large blue circles (for the love of god do not stand on them) the key is dodging them by moving away from them, this must be done on the first try with everyone dodging them or you will not get the achievement.