The double-headed demon has been stuck with magic powerful enough to fell a dragon. In the aftermath, Morlock feels sympathy for the demon dog and says he wants to try to save it. But then, Saitou and the others are struck by a surprise attack!
An upper-level demon, 
basically Demon King class...
...شيطان من الرتبة الأعلى، بفئة ملك شياطين تقريباً
Ein hochrangiger Dämon,
im Grunde fast Klasse Dämonenkönig, …
Un demonio de nivel superior,
de clase Rey Demonio…
Un demonio de nivel superior,
de clase Rey Demonio…
Sei un demone maggiore con un potere
 pari a quello di un Re Demone...
Um demônio de nível superior, 
basicamente classe Lorde Demônio...
Высший демон, классом почти
как повелитель демонов…