Complete your search of a cache location.

Use a synergy ability.

Exploit an enemy's weakness.

Win a battle.

Earned at least a Quarter Stripe mark in all three trials at all Hunting Grounds.

Aided both Drakka and Yarra and chose the better candidate.

Obtained 1 weapon from every weapon class.

Fully upgraded 3 weapons.

Learned all available skills on one tree.

Found all of the Metal Flowers.

Found all of Arnak's figures.

Found and knocked over all of the Grazer training dummies in the Nora region.