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?
To find out who we were 
and what we had to do,
،لنكتشف من كنّا وما الّذي ترتّب علينا فعله
Um herauszufinden, wer wir
waren und was wir tun mussten,
Para descubrir quiénes éramos
y qué debíamos hacer,
Para descubrir quiénes éramos
y qué debíamos hacer,
Afin de découvrir notre identité
et notre but véritables,
Per capire chi fossimo davvero 
e il nostro vero scopo,
Para descobrir quem nós éramos
e o que tínhamos que fazer,
Чтобы узнать правду
о себе и предназначении,