Ok, an idea to reduce lag in E.S would allow Hostile Mobs be formed into 1 Of that mob but with a Number above their head and that mob's name (Ex. x1428 Skeletons) would be 1428 Skeletons in that stack.
If you need more info on how this would work let me know cuz i might not have explained this well enough
If you need more info on how this would work let me know cuz i might not have explained this well enough