Chastille and several other Angelic Knights assault Zagan's castle, but he's unwilling to start stacking up bodies with Nephy around. When his hesitation puts him in danger, Nephy unleashes her own power to save him.
It's probably caused by a 
protective sorcerous barrier.
من المحتمل أنَّ هذا
.بسبب حاجز شعوذة واقي
Es muss eine magische Barriere sein.
Sarà una barriera magica. Ci penso io.
Deve ser uma barreira
protetora de feitiçaria.