Shin's summons to the castle doesn't go exactly as he thought it would when the princess challenges him to a duel. Then when the aftermath of their fight goes horribly awry, it's up to Schnee to investigate. 
Ah, so you don't know after all.
.إذًا فأنت لا تعرف بالفعل
Hach … Ihr scheint es
noch nicht zu wissen, oder?
Ah, então vocês não sabem, afinal.
Ага, то есть вам ещё неизвестно.