The worst that could happen, the absolute worst? Handy ended up forgetting that he wasn’t supposed to kill the prince. Or somegriffon else ended up taking care of that before he got around to it. In which case, as regrettable as it may be, it was a tournament. After all, injuries and death, while uncommon, did happen. It would be better if it happened there rather than in the middle of Canterlot, however. There had been a few precedents for that sort of thing.