To get the now-childlike Mona onto their team officially, G-Wrench and the team visit league registration. It's revealed that Mona can use a Fight Burst, but doesn't remember how to do it. As Kara's suspicions grow, Professor Pi's team Q.E.D. challenges them to a match.
You don't even know how to use a Fight Burst?
لا تعلمين حتّى كيف تستخدمين 
طلقة انفجاريّة قتاليّة؟
Du weißt nicht mal,
wie man einen Fight Burst einsetzt?
¿No sabes cómo usar un Fight Burst?
¿No sabes usar un Fight Burst?
Tu sais même pas
comment activer l’Ignition ?
Non sai nemmeno come si usa un Fighting Burst?
Você não sabe como usar o Fight Burst?
Ты не знаешь, как
использовать Боевой взрыв?