A trailer beside the final vending machine holds Carl's personalized key fight and his father's waiting memory.
The complete nine-token route leads to a vending machine outside a trailer on the surviving farm plateau. Feeding the tokens will open the structure for the final battle.
Donut says the fight should be short and easy, but her forced delivery reveals dread. A familiar damaged motorcycle parked outside identifies the memory being reconstructed.
Donut knows another clue inside or near the trailer confirms the opponent, but tells Carl he must see it himself. Carl resolves to enter and greet his father.
A modest rural trailer behind a nine-token vending gate with a dented motorcycle parked outside.
The trailer is the personalized final arena Carl must enter to obtain the key.