When you upgrade to level 25, the system will give you a module at the top left, but it is recommended not to use modules that waste energy and garbage. . The next copy can get the double attack module, which is very useful and not much worse than the RMB module.

You can download 45 copies of this location. Or we can go to Jinghai to destroy BOOS. There is a certain chance. . I hit two each.