Though the fins might not help Feferi hear better, she's learned to stay alert in the arena. As much as she concentrates on what Dave's trying to show her, and improving for it, she's always mindful that someone might be out there. She doesn't want a repeat of the last time she stuck around him too long.

She can't make out what direction the sound comes from, other than vaguely behind her and to the side. Sparing a glance over her shoulder she turns to Dave, fins instantly pinned and ready to go on the defensive.

"Did you hear that?" Already on high alert, she watches behind him, looking for signs of movement. She keeps her sword raised, nowhere near ready to use it against someone, but figuring she can at least do a bit of damage if whoever's out there is unarmed. "Maybe we should go..."