He put the Sword embryo into the Fire Dragon Cauldron. It had been completely molded. Therefore, it was easy for him to refine it.

Four hours later, there was a fierce red light flashing in the Fire Dragon Cauldron, accompanied by a loud noise that shook the heavens. A scarlet sword was covered with cracks, but it was unusually bright. It soared into the air, its bright light blinding the eyes.