Pei Shuangshuang's knowledge reserve is indeed only at the Basic Genetic Repairer level, which is quite extraordinary for her age.
The reason Pei Shuangshuang is thought to be a Second Level Genetic Repairer is due to her extraordinary spiritual power. Even though she cannot wield the spiritual power of her Main God, Pei Shuangshuang's own spiritual power is already extremely formidable.
Because Pei Shuangshuang received her spiritual power linked with her past life, it was her powerful spiritual power that enabled her to soothe Chi Rui Ming at the time.
If she were to truly repair Chi Rui Ming's genetic chain, without any experience, she certainly wouldn't do as well as those professional Genetic Repairers.
Pei Shuangshuang remains composed, and like her, the students learning Genetic Repair together with her appear out of place among the crowd of tense students.
