Niki could have added the option to Ask Yue Yan about this like we can ask about AI, whether they can help someone regain their soul.One which grandpa promised to chao if he gave mc to them when he was kid. He can be healed with that and can become shangitan.
Since now mc has lot of higher connections with yue clan and he can even join LB and rebel clans side i think he should get that from somewhere.
Even grandpa is in sect and chao is here as well.
