Sign In For A Thousand Years, I Will Open The Gate Of Heaven With My Sword

The lone star Xu Fan of Tiansha traveled to the continents of the five continents, and had a Little Sister who depended on each other for life. Before he could enjoy the affection of family, Little Sister was accepted as a disciple by the Celestial Xuanzong.
He is a useless person with no talent, rejected by the Heavenly Profound Immortal Sect? Brother and sister are going to separate? How can this work?
Sign-in system activation
“Sign in the indestructible sword body at the ruins of the buried sword pond in the ancient battlefield!”
……
Thousands of years later, the immortal and demon are in great calamity, and millions of immortal and demon fall into the world.
Xianzun immortal power is overwhelming, Mozun’s demonic energy is overwhelming.
Xu Fan: “Sister, watch Dage show you a sword-slashing sky gate!”
Xianzun:? ? ?
Mozun:? ? ?
On that day, Tianmen was cut by a sword, and millions of immortals were wiped out in ashes.