C1560 Purpose?

Sky Devouring Demon, an ancient demon clan.

Eight Bitterness Heavenly Demon also had the word Heavenly Demon, but this type of Heavenly Demon roamed the starry sky. It was said that it could devour stars, but it was said that it ate the power of the sun, moon and stars as food.

As for the sun, moon, and stars, they were also known as the power of the 'three wonders'