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. 
In truth, we don't know what 
other purposes it may have served.
في الحقيقة، لا نعرف ما الغايات
.الأخرى الّتي استُعمل لأجلها
Um ehrlich zu sein, wissen wir nicht,
ob es noch andere Verwendungszwecke gab.
Nous ne savons pas
s’il avait une autre utilité.
La verità è che non sappiamo
 se abbia utilizzi oltre a questo.
Na verdade, não sabemos a quais
outros propósitos pode ter servido.
Достоверно неизвестно,
 что здесь было на самом деле.