Mid-Large scale he good if not great. Succ I think is better if small scale (based on my exp in aos cuz i never won a single match against a true succ musa player). Demands higher apm thou than awk.
Man I wish I could help you, but I dont grind with succ musa anymore, as it's ridiculously not worth the effort. But if you are really interested do check Ahzure's pve guide my man is a machine.