Fought 4 W.E.N.D.I.G.0 prototypes at the same time and defeated them at Alkali lake.

You feel a cold as you examine the sword and skeleton. A rustle of wind in the trees faintly echoes the name Arthas

Killed 50 enemies while in Berserker mode

Lunged to 250 enemies

Killed 10 enemies using objects in the environment

Killed 1 enemy with a reflected projectile

Lunged to a W.E.N.D.I.G.0 prototype's back

Impaled Victor Creed outside the Bar

Killed 100 enemies

You destroyed 50 Objects with an RPG Launcher

Kill the Alchemist in his Observatory.

Collect 300 Light Seeds.