Because overseeing the cutting of Spirit Vein requires a protector.
And Ling Zixiao, being proficient in Formation Path, is very suitable for this task.
It was only after Lu Changsheng stepped out of Mount Sumeru Cave Heaven and returned to the Lu Family Mansion that he realized this breakthrough took him half a year.
Shortly after he entered closed-door cultivation, an incident involving Lu Ping'an occurred at White Tiger Mountain.
"Since the ceremony has already been prepared, we might as well send out the invitations right now."
Upon hearing this, Lu Changsheng immediately responded, not minding that Lu Ping'an's cultivation level had been revealed.
Even without this incident, he was planning to hold a Foundation Establishment ceremony for Lu Ping'an in the next two years.
Afterwards, Lu Changsheng inquired if there were other matters at home.