The Bloodline Species had thought it was in complete control of Li Zhenyuan's body. It believed it had thoroughly purged him, to the point where it could no longer even sense the existence of his consciousness.
What it hadn't expected, however, was that Li Zhenyuan had been biding his time, taking a gamble. After severing his own connection to the Rebirth Jade and erasing all memories related to Zhao Xuanqi, he began to let his own consciousness gradually fade away.
But this didn't mean he had vanished completely. Just like the lingering will of Zhao Qi that had once resided within Zhao Xuanqi's body, he too had become a nearly undetectable remnant of consciousness, integrated into every corner of the body, only to be activated under special circumstances.
