How To Obtain A Treasure Map Unlike some other rare items in Fisch, you can't get a Treasure Map just by purchasing it somewhere.

How to find, fix and use Treasure Maps in Fisch You need to fix Treasure Maps and track down their treasure for a chance at the Sunken Rod!

To acquire Heaven's Rod in Fisch's Northern Expedition, you must complete a puzzle and find all the hidden buttons scattered across the islands.