How did you get the Taixu Shinto Sword in the Jianghu?

Click on Jack Nifermen on the game map.

After arriving in Jackneffei Gate, click to go to Dingtian Temple. Then talk to Chu Xiuguang and click Attack. After defeating Chu Xiuguang, you can get the Taixu SHEN WOO Knife. It is best to teach Daoism about 300, learn from the leader of Taiyi (12, 2 1), choose to teach martial arts, choose Taixu SHEN WOO Road, trigger the plot, trigger the task 1, go to Tianzhu (23, 10), and choose Daowu.