Ahead of the Curve: Queen Azshara
Defeat Queen Azshara in The Eternal Palace on Heroic difficulty or higher, before the release of the next raid tier.
10/13/2019
Ahead of the Curve: Argus the Unmaker
Defeat Argus the Unmaker in Antorus, the Burning Throne, on Heroic difficulty or higher, before the release of patch 8.0.
04/29/2018
Ahead of the Curve: Gul'dan
Defeat Gul'dan in The Nighthold on Heroic difficulty or higher, before the opening of the Tomb of Sargeras.
06/06/2017
Ahead of the Curve: Xavius
Defeat Xavius in the Emerald Nightmare on Heroic difficulty or higher, before the opening of the Nighthold.
12/31/2016