Isagi's team cinched a win due to the awakening of Barou as a villain on the field. To cause more chemical reactions in the fourth stage, they picked one player from the other team, who demonstrated ego to devour them during the game. In the meantime, Bachira and the Top 3 are looking for the next opponent. Rin sees through Bachira's "monster" during their training, which forces Bachira to face his own ego.
Then what? We'll be a team,
 sure, but it won't excite us.
ثمّ ماذا؟ سنكون فريقاً بالتأكيد، لكن هذا لن يُثيرنا
Was dann? Wir wären ein Team,
auch wenn es nicht aufregend wäre.
¿Y luego qué?
¿Y luego qué?
Et ?
E poi?
E isso daria no quê? Tá, claro, seríamos 
um time, mas não iria ter emoção alguma.
И?