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.
05/16/2019
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.
04/17/2019
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.
08/31/2017
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.
04/06/2017
Ahead of the Curve: Helya
Defeat Helya in Trial of Valor on Heroic difficulty or higher, before the opening of the Tomb of Sargeras.
01/11/2017
Ahead of the Curve: Xavius
Defeat Xavius in the Emerald Nightmare on Heroic difficulty or higher, before the opening of the Nighthold.
11/30/2016