They can transform into butterflies (hence their name) and they usually openly display their demon powers.

"Illusions supported by demon powers," Mentia said so- berly.

"Illusions supported by demon powers," Mentia said soberly.

Spike and Anya bond over a couple beers at the Bronze, complaining about what it's like to be without their harmful demon powers.

The woman is in league with demon powers and has been for quite some time.

She plans to use Akuto's demon powers once he becomes Demon King for her own purposes.

Sam loses his demon powers, claiming that the force that transported him and Dean onto the plane cleaned him up.

To help him, she uses her demon powers, but doing so causes her to immediately lose them.

The demon power raged through her now until she could hear squabbling, as if it needed more room.

She possesses a number of demon powers, including those possessed by the Hero, as well as having the ability to transform herself into a wolf.