As a thank-you for saving Ermina, Mercphobia gives the group information on the rest of the Five Dragon Gods. And while they’re in the town of Tekka, they encounter someone who looks exactly like Erza...
The spell the Water Dragon God put 
on you made you look like fish.
Der Wasserdrachengott hatte euch nur
mit seiner Magie in Fische verwandelt.
El Dios del Agua usó magia
para convertirlos en peces.
A magia que o Deus Dragão da Água
lançou fez vocês parecerem peixes.