Melromarc brings a large fleet to fight the Wave out at sea. While the queen takes charge and leads the operation well, the other three heroes prove useless yet again, leaving Naofumi to do it all alone. Later, he gets help from L'arc and Therese to fend off the monsters, but then...
I hereby declare those 
adventurers to be the enemy.
أعلن عن أنّ ذلكما المُغامرَين عدوّان لنا
Ich erkläre diese Abenteurer zu Feinden!
Esos aventureros son unos traidores.
Esos aventureros son unos traidores.
Ces aventuriers sont nos ennemis !
Dichiaro quegli avventurieri nostri nemici.
Declaro a todos que aqueles
aventureiros são inimigos.
Отныне те авантюристы —
изменники!