In Butterfly Valley, Gu Hui served as a lowly apprentice, listening to the conversations of Wu Lin figures who came seeking treatment and learning much news from the martial world.
For example, the gathered heroes had pressured Wudang. Fifth Hero Zhang, left with no choice and unwilling to reveal Xie Xun's whereabouts, had killed himself while Zhang Sanfeng was distracted. Yin Susu had followed him soon after.
For example, Zhang Wuji had been captured on his way back to Wudang and poisoned by the Dark and Nefarious Divine Palm. He needed the Nine Yang Manual to recover, yet he did not know the complete manual.
And Gu Hui had not passed the Nine Yang Manual on to him back then.
Zhang Sanfeng had also searched for his master, Gu Hui, but found no trace of him. His martial mother was absent from Free and Easy Manor as well; reportedly, she had entered secluded cultivation. Only a few maidservants remained to manage the entire manor.
At some point, when Gu Hui returned to Butterfly Valley after another journey through the martial world, there was an extra little brat in the valley. The boy followed Hu Qingniu around doing odd jobs. Hu Qingniu said the little fellow was clever, quick-witted, bold yet meticulous, and learned all kinds of medical principles very quickly.
"Big Brother, are you here seeking treatment?" When Gu Hui returned to Butterfly Valley, tidied himself up, and left his room, he encountered the little fellow, who asked politely.
"When did the valley get such a little fellow? Could it be that Mister Hu has taken on a disciple?
Little fellow, what is your name?"
"My name is Zhang Wuji!" The little fellow showed no wariness as he answered.
"Zhang Wuji? I've heard Mister Hu mention you. He said