Use the Artifact no more than once in the “All In” mission on Hard difficulty.
Using Warp Prisms, warp in 50 units in a single Melee game.
Finished a season in the Top 8 of a 1v1 Platinum Division.
Capture 50 enemy units in a single Vortex in a Melee game.
Destroy 20 units with a single High Templar in a Melee game.