Touya and Minori and the rest of the players in the training camp are hitting a wall with the way they fight.  And Minori's suggestion is that they introduce themselves to one another!
It doesn't deal damage or heal...
Es verursacht weder Schaden noch heilt es.
No sana ni causa daños.
Ça n’inflige pas de dommages,
et ça ne guérit pas non plus…
Non fa danni, non cura...
Não causa dano nem restaura vida...
Врага им не ударишь, своих не подлечишь…