I am a sword fairy in the collapsed world

During the time when he traveled through the collapsed world, Su Lin accidentally discovered that he had become a sword fairy.
Join Fire Chaser's E, teach Fu Hua martial arts, and Mei talk about technology.Bragging with su, competing with Kevin for the record.
mei: "Who is the strongest man in Chasing Fire?"
Kevin said to himself: "Of course it is......."
Su Lin stood up and held his head high: "That's right, it's me."
The sword energy spans three thousand miles, and the sword is frosty and cold for fourteen states.
A sword cuts natural disasters and man-made disasters, and a hand abuses the long river of time.
By the way, Fu Hua is my wife.
ps: The proportion of combat is small, and the proportion of daily life is large. There are no villains in this book except Honkai.