There are two Battle Labs on every world map in the Rocky Area, situated in the center of the map. You can find the Battle Lab by following these steps:

- Click on the (World) icon at the bottom left of the screen.

- Click on the (Map) icon at the bottom left of the screen.

- You will see a set of icons indicating different locations (such as your Base, Alliance leader, Alliance members, Alliance castle, Battle Lab, and other places on the map).

- Click on the Battle Lab location icon on the map, and you will be transported there.

The location of the Battle Lab is constantly updated in the Rocky Area.