Martial Arts: I Am Short-Lived and Have No Choice but to Live Forever

The sky sends murderous intentions, and the stars change places; the earth sends murderous intentions, and dragons and snakes rise from the ground; people send murderous intentions, and heaven and earth turn upside down. The royal family is in power! Local aristocratic families, clans and sects dominate one area. There are still evil spirits and heretics causing trouble in the world. The fist is the only truth, and the power suppresses all things. Shen Jun'an, a congenitally ill and consumptive ghost, became famous in Zhixia from the time he was a disciple of the Hou Mansion. He raised his gun and rode his horse in high spirits. Is it because you know Xiahou Mansion and its benefactor? Or is he an ungrateful villain?