"I paid attention! As long as you keep it wrapped up and clean, then there shouldn't be an infection," Eren retorts, "My dad's a doctor, you know, I learned all this stuff way before training." Their world was not exactly the most advanced civilization, but doctors like Grisha knew enough about cleanliness. Eren had found some cheap, but stiff, alcohol and used it to keep the wounds aseptic.

"Fish, right," he says, not really believing it, "Unless those are some huge fish, I don't think so."

Then again, the ocean was huge. It was overwhelming to look out and not see anything but water, all the way to the horizon. "... Hnn. Then again... who knows what kind of huge stuff could be lurking under all that water."