Subaru and Itsuki face off against Arc Ruler Erde in a two-on-one battle. But who exactly is this guy? And why is he so certain of victory, claiming that he knows all about the pair?
I've learned a few things on
 the path that led me here.
تعلّمتُ بضعة أشياء في الطّريق
الّذي قادني إلى هنا
Ich habe vieles auf dem Weg
hierhin gelernt.
He aprendido muchas cosas por el camino.
He aprendido muchas cosas por el camino.
T’inquiète,
vu qu’on s’est échauffés en route,
Ho imparato un paio di cose 
sulla strada che mi ha portato qui.
Eu treinei bastante no caminho até aqui.
Я кое-чему научился по пути сюда.