Kateikyoushi Hitman Reborn! s01e57
Titre original : The Battle of the Sky, Begins!
Everyone arrives at Nami Middle to find Tsuna and Xanxus about to fight. The Cervello put watches on the guardians that poison them and the only antidote is to put the guardian ring in the watch itself. Just before the fight begins Xanxus makes a decisive first strike.