Arc 4The Sun Moon Exchange
After Da Ming and Er Ming attacked Shrek, Huo Yun’er survived as Huo Yuhao’s Martial Soul while Shen Yichen set plans in motion across the Sun Moon Empire and Shrek. Five years later, Shen Yichen returned to build alliances and the Diary System began its second phase.
- Jing Hongchen and Mu En discussed exchanging students when news arrived that Da Ming and Er Ming had attacked Shrek City and apparently killed Huo Yun’er, who later revealed that a lifesaving card had preserved her soul inside Huo Yuhao.
- Shen Yichen arranged for Du Busi to hide in the Sun Moon Empire and prepared to go there as an exchange student, while Mu En promised justice for Shrek and later led its challenge against the Clear Sky Sect.
- Huo Yun’er advised Huo Yuhao to leave Wang Dong’er and seek Shen Yichen’s help, while Shen Yichen established new Diary rules that prevented holders from attacking him or openly sharing its contents.
- Huo Yuhao went to the Star Dou Great Forest, where Tian Meng fused with him and Huo Yun’er became his second Martial Soul, the Demon God Manifestation · Demon's Essence.
- Shen Yichen and the Shrek exchange students arrived in Mingdu as Shrek won the Soul Fighting Tournament, and Mu En defeated the Clear Sky Sect’s masters before later defeating Long Xiaoyao and striking the Sun Moon imperial palace.
- Huo Yuhao accepted Xuan Zi as his master, while Wang Dong’er questioned her identity and Shen Yichen speculated that she was Tang Wutong, and the Sun Moon Emperor died and the empire fell into a struggle for the throne.
- Five years later, Shen Yichen returned toward Shrek with his companions, stopped in Dragon City to reunite with Nan Qiuqiu, and negotiated with the Earth Dragon and Heavenly Dragon Sects for resources and alliances.
- Shen Yichen finished his story about Xiao Yan, discussed the Diary System’s rules and rewards with the group, and announced that its second phase might cover ten thousand years later or the current era.