The Strongest Clone in All Worlds

(This book is of the highest caliber and invincible!) Is there any person in all the worlds? He may be the most powerful person in some great world of cultivating immortals. Or maybe a mysterious superpower in a technologically advanced small world! He might also be a hidden immortal cultivator in some high-level martial arts world! However, who would have thought that these most powerful people, mysterious superpowers, and hidden immortal cultivators in so many worlds of different sizes are just clones of one person? …