Minion Build Crashes Game

I have a minion build and it crashes the game I'm running 10 skeletal arsonists flame wall with raging spirits, and its fine if i play solo but if I play with friends it crashes the game the screen freezes and kicks us to windows. I've messed with every graphic setting to fix it and nothing helps. This only happens when we play with my minion build, please fix as soon as possible game doesn't give me an option to report the crash.