Spirit Merchant (technically traded). Each of these marks the exact location of an outer biome boss spawn. Each scanner recipe uses a resource unique to the boss's biome. Either found on the ground or as a mob drop. And I've got a nice dirt patch where I can plunk https://granbluefantasyrelinkgame51605.frewwebs.com/30409490/a-arma-secreta-para-core-keeper-gameplay