The Spirit Tortoise’s head was cut off, but Ost, its familiar, is still alive. It could revive at any moment. The allied armies need to get back into fighting shape, and fast. Naofumi makes the risky move of heading onto the Tortoise’s back with only a small group, and tries to find its true weak spot.
I'm sure... I'm sure 
Itsuki-sama is there, too.
أنا متأكّدة... متأكّدة أنّ إتسكي-ساما هناك أيضاً
Ich bin mir sicher …
Meister Itsuki ist bestimmt auch dort!
Je suis sûre
que le seigneur Itsuki est là-bas !
Ne sono certa... 
Là troveremo anche il nobile Itsuki!
Tenho certeza... Tenho certeza
que o Itsuki-sama está lá também.