Heros: During Thirteen's Hero Training, The Villians Start Attacking
Villians: You decide to torment so poor, teenage, heroes in training
Mya: Gets Stuck with Bakugou and Kirishima, Since this is the beginning of the show her quirk isn't that easy to control
Nathan: Remains at the entrance with Iida and the others only to find his quirk doesn't work on Kuroguri
Dimitri: Gets stuck with Momo, Denki, and Jiro
Bella: Remains by the entrance and stays with that group