The town of Ermina turns out to be a city for fish, where the whole town is submerged in water during high tide. The moment the party mentions Water God Dragon, the fish turn hostile.
I mean, he stopped Erza's 
sword with his head...
Der Typ hat grade Erzas Schwert
einfach mit seinem Kopf abgeblockt!
Detuvo la espada de Erza con la cabeza.
Quer dizer, ele parou a espada
da Erza com a cabeça!