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

Found all Dog Tags in the game

Raised One Combat Reflex to Master Level

Defeated Weapon 11 (Deadpool)

Defeated Remy LeBeau (Gambit)

Killed 150 enemies while in Berserker mode

Defeated Fred Dukes (The Blob)

Defeated the Sentinel Mark I

Performed 10 Air Grabs

You found the cake, yummy!

Dismembered 100 enemies

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