Beat the game on any difficulty

Find the source

Take down the two-head

Restore power to the old facility

Reach the Hangar flight deck

Survive the pipeslide

Kill ten enemies with environmental hazards

Use GRP to kill an enemy by throwing them into an environmental hazard

Print a weapon upgrade

Use melee or ranged weapons to take both arms off a living enemy

Collect one flower from each of the nine realms

Battle the All-Father

Return all the Lindwyrms to Ratatoskr