In my previous writing "哪吒 II" (https://classic-blog.udn.com/kkuo0810/182126909), I introduced to you how had the real general Li Jing of the Tang Dynasty been evolved into a folklore deity. Now the following article tells you more about such a evolution from the aspects of religions.

https://www.toutiao.com/article/7579094163259474467/?log_from=d01ebc929b161_1764865703412