Rebirth of the Demon Emperor! Invincible Starting from Douluo

The Demon Emperor from the starry sky died in a battle and was reincarnated in a world called Douluo Continent. He lost his memory, but gained a system. With the help of the system and two mysterious beings, he gradually became stronger and traveled through different worlds. Finally, he stepped into the starry sky again, retrieved his own memory, and together we explored the legend of the Demon Emperor's invincibility.