Arc 5CPH4 and the Time Hallucinations
Qin Yiguan investigated CPH4 to save Meng Jihe, using Time Lag Syndrome and layered visions to uncover Luo Canlie's control over the conspiracy. Meng Jihe died despite treatment, while Lu Zun secretly planned to exploit the Leviathan crisis to reach a 100% Fusion Rate.
- Qin Yiguan found Meng Jihe transformed into a living chemical-bond structure after his captors subjected him to CPH4 and layered hallucinations.
- Dr. House diagnosed Qin Yiguan with Time Lag Syndrome, and Qin Yiguan used more of the drug to investigate Zanyin Group before Meng Jihe's time ran out.
- Qin Yiguan found Jiu Zhengxuan alive in Luo Sijie's care and traced CPH4 production to abducted girls from Rust City.
- Qin Yiguan awoke from six hours of visions and identified Luo Canlie as the controller behind Luo Ming, Wu Jing, and Lu Zun.
- Qin Yiguan killed Luo Ming and Wu Jing, and Luo Canlie confessed before forcing Luo Sijie to shoot him and releasing the people he controlled.
- Luo Sijie neutralized Meng Jihe's CPH4 with APOE4, but Meng Jihe died and left Geometry Design Group to Qin Yiguan.
- Qin Yiguan found Song Miao in the river of time and delivered her message to Dr. House after passing on his request.
- Qin Yiguan learned that his Fusion Rate had reached 35% and the Boundless One remained, while Lu Zun compelled others to conceal and accelerate the Leviathan crisis.