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.
You're a total sadist, 
but you're the legendary hero?
¿Eres un completo sádico pero 
eres un héroe legendario?
¿Eres un sádico de no te menees y además también eres el héroe legendario?
Você, o totalmente sádico,
é um herói lendário?