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. Screenshot by Bonus Action Glow Tulips, and recipes that incorporate them, https://final-fantasy-vii-rebirth08643.win-blog.com/9900039/a-regra-de-2-minutos-para-core-keeper-gameplay