My Sword Techniques Can Fuse: The Langshuang Swords

(Traditional cultivation, no System, one female lead, no filler)

How can a youth blessed with top-grade dual water-and-fire spiritual roots use two mutually conflicting attributes to create spells, then incorporate those spells into formations and sword techniques? Step by step, he rises from the very bottom of the cultivation world to the top, dominating it all. He is no pushover, and he kills decisively.