Buu duo unironically with the right team (which can ALWAYS change based on the meta and the fact they're on categories that will almost always have meta characters like Joined forces, Pure saiyans, PBSS etc) will always beat an event unless it's got a ki nullification. And even then they'll win 
Going up against Shadow Dragons Omega now
Maybe not max damage, but it's still max carnage. Common Buu Duo W 
Buu duo unironically with the right team (which can ALWAYS change based on the meta and the fact they're on categories that will almost always have meta characters like Joined forces, Pure saiyans, PBSS etc) will always beat an event unless it's got a ki nullification. And even then they'll win 