The Sword Points to the Sky and Dominates the City

Xiao Jian had a serious car accident when he was a child and became a cripple. He went to the roof of the building many times and wanted to end his young life, but... He was afraid of heights, so all of them failed, and the people around him laughed at him even more. He took his luggage and went to a deserted forest to live alone. The follow-up series... What makes him a god who must not be messed with in the eyes of others?