Eternal Demon King

When he woke up, Yang Xuan's memories from his previous life were awakened. From then on, he had a photographic memory and his comprehension ability increased greatly. He became a monstrous existence. This was a golden age. There were intense and hot-blooded battles and clashes between top geniuses. He watched as a young demon king appeared out of nowhere, trampling the world and ascending to the pinnacle of martial arts.