Battle.net

Complete the “Echoes of the Future” mission with Zeratul killing 50 Zerg units on Normal difficulty.

Using Auto-Turrets, destroy 20 worker units in a single League game.

Attack for 20 seconds with no counterattacks in a League game.

Destroy 10 cloaked or burrowed units in a single Melee game.

Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in a League game.