December reveals Ros's secret.  The party is shocked and glad to hear it.  But Ros seems unhappy, and December thinks he knows why.  He says that if Ros uses his power it will revive the Demon King, and so he orders Juli to attack again.
1000 years ago, it was 
just the Demon King,
Hace mil años el rey demonio estaba solo,
Hace mil años el rey demonio estaba solo,
Há 1000 anos, era apenas o Rei Demônio,