Complete any one stunt from the stunt list.

Any Hero has forged something into an item for the first time.

Any Hero reaches Level 5.

Any Hero has used a teleporter for the first time.

Performed 10 Air Grabs

Completed the Jungle Mission

Killed 50 enemies while in Berserker mode

Found 1/2 of all Dog Tags in the game

Defeated the Sentinel Mark I

Raised one Mutagen to level 3

Dismembered 100 enemies

Performed 25 Counter moves

Lunged to 250 enemies