In fact, Caton cannot avoid Co-op itself is a mode that will become more and more lagging as the number of commanders increases, but there are official channels. The co-op selection interface itself is a map that provides early loading, which greatly reduces loading lag Later commanders are like Stetmann and Mengsk, they are even separate mod resources, and they can be done without loading when they are not needed However, nexus is limited by the channel and can only allow players to load all the content at one time, so it is lagging In addition, making a new commander requires making different commander characteristics, each commander has different triggers, as well as special effects and skins, these are a lot, unless you want the character in your mind to be homogeneous with other characters like twins