Sword Master of the Nine Realms

Transmigrator Ye Li joins the Kunlun Sword Sect, becomes a handyman. He awakens a sign-in system. For over a hundred years, he cultivates to the Dragon Transformation realm. When four demon kings attack, he slays them with a single sword. After marrying Tan Tai Ruyue, the sect leader's daughter, he descends the mountain with his Yuanhong Sword to collect nine divine swords, uncovering the truth of the Nine Provinces and the Heavenly Origin Sacred Land.