Arc 21Homecoming and Soul Cavern
Qin Yu reunited with his mother before investigating the corrupting mist in the Soul Cavern Dense Forest under the identity Mo Chen. He destroyed the entities behind the calamity but vanished into the Star Abyss Forecourt with Yao Zhiyan, leaving his allies to protect his epoch while other powers searched for him.
- Qin Yu acknowledged Zi Xue as his true disciple and returned to the White Cloud Sect to reunite with his mother.
- Qin Yu restored their old home at Hidden Source Ridge, visited the Mist Market with his mother, and healed a child whose fate trajectory had been disrupted.
- Qin Yu left his mother in the White Cloud Sect's care and accepted Yan Xu and Tong Ning's mission to investigate the Soul Cavern Dense Forest as Mo Chen.
- Qin Yu destroyed mutated soul entities and Black Abyss Great Darkness, clearing regions of the mist before joining Yao Zhiyan and five other disciples.
- Qin Yu defeated Forbidden Sound · Chief Adjudicator after its annihilation sound erased four disciples, and he saved Yao Zhiyan.
- Qin Yu overcame Guan Yao and erased the Annihilation Realm Rift Core, then survived Mingsu's attack when the Source-Cause Construct Heart destroyed Mingsu.
- Qin Yu and Yao Zhiyan were transported to the Star Abyss Forecourt, rejected a dead-consciousness projection's demand for enslavement, and approached a forbidden area beneath a ruined village's tower.
- Tong Ning and Yan Xu activated the Annihilation Epoch Protection Protocol after losing sight of Qin Yu, while Zhu Ming and three black-consciousness observers moved to investigate his disappearance.