If you want to learn Juexue, you need to complete the pre-task. Go to the second floor of Suzhou Restaurant to find NPC Lin Tiannan. If you talk to him, you can get the pre-task, get the exchange props through the newly banned bat cave, and then find the NPCs of their respective sects to exchange them.
Royal Guards: Wulin Soul Lock, NPC Lien Chan Ding (1853,-727);