He is familiar with ships and sailing. Rats and mermaids nourish him and he should not cause you any trouble. If there is trouble ahead, he'll know it before anyone. You can trust he will protect us.

[She had missed the comradary of a ship, the ways the crew viewed her dragons, every bit of protective as she was. She missed the sharp winds and sound of the sails fluttering. She missed sea salt spraying her face and the rough waves that broke against the hull of the ship.

This was always where she was happiest.]

His name is Drogon.