Gust's Lamp can be found somewhere on the floor in the Amber Island's Cave during the The Cave on Amber Island mission.
The player can talk to Gust after finding Gust's Lamp to gain +10 Relationship point with him. Gust refuses to take the lamp back, so it can be recycled or used as a decoration afterwards.
Gust's Lamp can be placed in a furniture storage slot as a decoration.
Gust's Lamp can be placed in the Recycle Machine to produce the following items:
2 Bronze Bar
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