My identity is Ma Da_.
The identity of Ma Banxian in the paper-burning man novel is Ma Da_, a knight-errant. He was taught by a foreigner since he was a child, and he is proficient in the thirteen needles of the ghost gate. He is also involved in Yin and Yang, Bagua, Feng Shui and Guanyu. Since Ma Da_ debuted, he has done many things that have been praised by everyone, so people in the world call him Yang Banxian. Now, calling him Banxian is mostly derogatory, but at that time it was definitely a word of praise.