Magical Girl Enhanced Hearing

If Melville used her bow, the sound of her pulling the string back might alert Clantail. Even if she was no Cranberry, all magical girls had keen senses, which of course included sharp hearing. And besides, no matter how big this cavern was, it was still an enclosed space. If she triggered a cave-in and got trapped in here, Melville would be helpless.

    - Magical Girl Raising Project: RESTART (II), Chapter 10