The Harmony Games: a competition of gladitorial combat meant to promote harmony and friendship between the clans of Equestria. The idea that combat can promote friendship is idiotic to Twilight, like friendship itself. She doesn't have time to be playing children's games; there's a serious threat predicted and she has to find it before something catastrophic happens. How can 'friendship' possibly be of any use?
Alternate look at the beginning of FIM, combat tournament with humanified ponies No major part OC (none at all if avoidable)