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 see. Concentrated alcohol 
should work on monsters, too.
فهمت. الكحول المُركَّز ينبغي أن يؤثّر
على الوحوش أيضاً
Verstehe. Hochprozentiger Alkohol
wirkt also auch bei Monstern?
Entiendo.
Entiendo.
Je vois, l’alcool concentré
fait aussi de l’effet aux monstres ?
Ma certo.
Entendi. Álcool concentrado é
eficiente até contra os monstros.
Ну понятно… убойная доза алкоголя — 
и монстров вышибает на ура.