C65 Add another sadness to the happiness of the 19th episode (3)

"The six great sects have sent people to search the cave again, and there are guards outside the cave as well. One day, a disciple suddenly went insane, which attracted the attention of the six great sects. They immediately bound that disciple and had him be examined by the doctors. In the end, they discovered that he had been poisoned, and had been poisoned by a very strange poison