Ren decides to challenge the Colosseum after being inspired by the epic battles between monsters. 
But Aoi's a stickler and wants to do things right before joning the fray.
Really? What are we waiting for?
Echt? Worauf warten wir noch?
¿En serio? ¿Qué estamos esperando?
¿De verdad?
¿A qué esperamos?
Vraiment ?
Qu’est-ce qu’on attend ?
Mesmo? O que você está esperando?