Complex sentence: It has been seen in both movies that his power is not only physical, but extends into magic as well, his magical powers make him one of the strongest beings on earth if not the second strongest second only to his father.
Split into simpler sentences: It has been seen in both movies that his power is not only physical, but extends into the magical realm as well. His supernatural powers make him one of the strongest beings in the world, if not the second strongest second only to his father.