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.
10/12/2018
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.
07/03/2018