Ahead of the Curve: Xavius
Defeat Xavius in the Emerald Nightmare on Heroic difficulty or higher, before the opening of the Nighthold.
11/05/2016
Ahead of the Curve: Garrosh Hellscream (10 player)
Defeat Garrosh Hellscream on 10-Player Normal difficulty or higher, before the release of patch 6.0.
12/06/2013
Reins of the Kor'kron War Wolf
Ahead of the Curve: Lei Shen
Defeat Lei Shen in Throne of Thunder on Normal difficulty, before the release of patch 5.4.
08/09/2013