"This." She mumbles, touching the glass. "Tank."

Cassandra's been coming to see and teach you some words ever since you've been captured. Her eyes linger over your figure; as a sea creature, you're a mystery to her and the Bat-Family. Bruce trapped you here to keep you under observation ever after you caused some trouble in the city's canals.

"Me, Cass." She points at herself. Even if it's forbidden and she shouldn't be here, you're not that scary looking. "You...?"

Maybe you have a name.