Vol. 4War and Return
Li Ping'an left Shushan to travel, returned as the war between Great Sui and Great Yu engulfed the sect, and later studied alchemy in Great Yu before coming back to Shushan. He built a successful pill workshop and set out to reunite with old companions, then joined Jing Yu in investigating Changqing’s unexpected marriage to Lü Yao.
- Li Ping'an completed his breakthrough and traveled with Old Ox, later meeting Monk Changqing and reaching Wuling Valley for the Demon-Slaying Assembly.
- Li Ping'an and Changqing traveled through several regions, where Li Ping'an fought water monsters and the group eventually reached Wuling Valley.
- Li Ping'an stayed at Shushan as the war began, developed medicines and poisons, and guarded the Underground Prison.
- The Emei Sect betrayed Shushan, and Li Ping'an prepared to defend the prison when the Soul-Seizing Demon Venerable attacked.
- Li Ping'an defended Shushan during the attack, then traveled to the front and fought in the war between Great Sui and Great Yu.
- Li Ping'an settled in Great Yu to study pill refining as Great Sui captured Guxiao Pass and unrest spread through the capital.
- Li Ping'an returned to Shushan, helped Yun Shu and Wei Jing, and built a successful pill workshop.
- Li Ping'an and Jing Yu found Changqing at the prefect’s residence, where he explained that he had rescued Lü Yao and had not agreed to marry her.