Defeat the indicated opponent to receive the corresponding prize.

Opponent	Prize
Archivist	Usually a large amount of money.
God King	Usually a rare weapon or large amount of money.
MX-Goliath	Large Key.
Stone Demon	Either a new weapon or a large amount of money.
Thane (first kill)	Prize Wheel.
Thane (second and final kill)	Either Prize Wheel or large amount of money.