Dark Old Demon

Roy's life was nothing special. The only thing commendable was the last few moments when he saved a mother and her child from a drunk driver.
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It's really an egg! Damn it, what kind of monster have I become? Did I fall into Hell instead of making it to Heaven??
Join Roy as he ventures through various worlds with the Custom Made Demon King System—a system that allows Roy to draw anything he can imagine and create it through exchanging souls!

Custom Made Demon King

The moment the transformation finished, Roy could not help but roar in pleasure. His loud voice reverberated in the air, and he was unable to calm down for a long time.

"Aha!" Rafaro also shouted excitedly in the sky, celebrating his master becoming a demon lord.

The powerful dark aura not only spread in Heaven, but it also spread through the Gate of Heaven. At this moment, in Ur-Hekal, Julia, Benia, and many other demons, who were waiting for the ritual to finish, felt the aura come from the Gate of Heaven and could not help but roar at the Gate of Heaven.

Not far away from Roy, Isabel looked at him solemnly. Behind her, Orfina and the angels could not help but tighten their grips on their weapons nervously, as though they were facing a formidable enemy.

"Is he a pure dark-element demon?" Orfina asked Isabel in a low voice.

Glimmering Dawn?