When will the bats appear?
Hama, you have to travel to the Realm of Heat, and go to the third mining area. Enter the cave, and catch them.
how do we go to the Realm of Heat
You have to get to the point where you are interacting with Sera, Clover, and Petra. It's a bit of a slog to get there. Well worth the effort, though. It expands gameplay greatly. Now, if only there were updates on the way...
