Ahead of the Curve: Uu'nat, Harbinger of the Void
Defeat Uu'nat, Harbinger of the Void in Crucible of Storms on Heroic difficulty or higher, before the release of the next raid tier.
06/21/2019
Ahead of the Curve: Lady Jaina Proudmoore
Defeat Lady Jaina Proudmoore in Battle of Dazar'alor on Heroic difficulty or higher, before the release of the next raid tier.
03/14/2019
Ahead of the Curve: G'huun
Defeat G'huun in Uldir on Heroic difficulty or higher, before the beginning of the Battle of Dazar'alor.
11/07/2018
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.
02/12/2018
Ahead of the Curve: Kil'jaeden
Defeat Kil'jaeden in Tomb of Sargeras on Heroic difficulty or higher, before the opening of Antorus, the Burning Throne.
11/16/2017
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.
05/18/2017
Ahead of the Curve: Xavius
Defeat Xavius in the Emerald Nightmare on Heroic difficulty or higher, before the opening of the Nighthold.
11/17/2016