Enlighten the Sword as an Immortal

A generation of god-king Lin Ran traveled through the galaxy but was swallowed by a super black hole. When he woke up again, it was another world. In this world, his family was destroyed, his parents were killed, his sister disappeared, and his Dantian was destroyed. How can he change his destiny against the will of heaven? A long sword, an obsession, a man, with the sword as his heart, how will he understand the secret of the sword? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.