What novels have you read about the war between the gods and the demons?

At the beginning, the God Clan and the Demon Clan fought to the end. Then, the God Clan's king used the essence of heaven and earth to make a weapon. Then, the Demon Clan's king used poison to kill his son who was more talented than himself and made a demon saber with his son's flesh and blood. Finally, when the Godly Monarch and the Demon King fought, the Demon King lost because the Demon King's son was resentful. This was the introduction of the book.
No one knew about it? I read that book when I was in junior high school. There was only the first episode. Now that I'm a freshman, I want to read it.

Answer 1

There are two novels that are similar to your description. Have you read Forbidden Demon and Mythical War? The former told the story of the war between the demons and the gods, while the latter told the story of the princess of the gods sealing the fetus in her womb and passing the inheritance information to the human world in order to protect the child of her and the demon leader. I hope my answer can help you.