I've personally never GM'd or Co-GM'd when it's happened, but I have seen it happen before. It was an RP that died pretty quickly, and it's likely because people had so many characters that next to nothing got done. Too many characters = extra time for meet ups/greetings, and that also means it could take up to a month before the plot moved even a bit. That's why arenas benefit the most from lots of characters, because the only plot is to kill each other, or work with each other to kill something.

Is unraveller, like, done with the RP? He already killed off his own character. That only really goes to show that the sound cannon is also OP if it could kill literally the strongest guy with a single kick.