The Red Dragon That Devours the World: from the Witcher 3 Onwards

A poor premature little red dragon who failed to start a business, jumped to his death, and was reborn in the lower plane of hell. Because he couldn't defeat the goblins, he was forced to sign a contract to sell himself to a black-hearted boss in exchange for devouring power. By devouring the strong, you can plunder his natural abilities! Since then, Hell has lost a cub that can be bullied, and the multiverse has gained a feared gluttonous red dragon! Devouring devil lords, hunting giant beasts of the abyss, even gods, I want to taste it... There is nothing in the world that cannot be swallowed! "The essence of the ancient elven tree? It tastes good." "The blood of the Titan? It's mine!" "Wait, that kingdom of gods over there looks... Delicious?" This is the violent story of a red dragon that crawls out of hell with the power to devour all things, and eventually becomes the most powerful predator in the world!