Are those bodies in her closet?

yeps, she needs to eat to regain her power

wait, what she eats? I forgot if they mention any of it. is it a soul? a sacrifice? but she doesnt need to go that bloody if she only need a sacrifice or soul. then, blood? (●￣(ｴ)￣●)

When the Wizard guy is explaining it he said they consume life force of living things. The panel images show they like shrivel up and blood dripping from them…