Vol. 4The Lesser Thunderclap Road
Ao Tu survived conflicts with heavenly and Buddhist forces, investigated stolen treasures, and attained Buddhahood while pursuing his own path. He left the pilgrims trapped in the Lesser Thunderclap conflict, where Wukong stole back the Golden Cymbals and confronted the Yellow-Browed Old Demon.
- The Bull Demon King refused to help Wukong cross Flaming Mountain and captured Bajie and Sha Wujing after Red Boy joined the fighting.
- Ao Tu matched Mahamayuri Bodhisattva's techniques and captured the heavenly forces after Mahamayuri Bodhisattva seized the Bull Demon King and his allies.
- Ao Tu survived Mahamayuri Bodhisattva's digestion and received guidance from Yuanshi Tianzun, Great Immortal Zhenyuan, and Old Mother Lishan after his breakthrough failed.
- Ao Tu traced the stolen Nine-Leaf Ganoderma Herb to Princess Wansheng and learned that Nine-Headed Bug had stolen Jisai Kingdom's Sarira, but the King refused to free the monks until the treasure was recovered.
- Ao Tu recovered Jisai Kingdom's stolen treasures and escorted the captives to Heaven while Tang Sanzang became State Preceptor and funded flood relief through trade.
- Ao Tu trapped the pilgrims in a false Thunderclap Monastery, drew the Eighteen Arhats into his sermon, and imprisoned Wukong in a dark cauldron.
- Ao Tu attained Buddhahood but rejected joining the Buddhist Sect and began the Lesser Thunderclap mission to pursue his own aims.
- Wukong disguised himself as a lesser demon, entered Lesser Thunderclap Temple, stole the Golden Cymbals, and revealed himself to the Yellow-Browed Old Demon.