Since we seek abstraction, let's abstract it thoroughly.
When discussing Lady Nepheli's project, which involved forcibly elevating Chen Xing to Demigod Tier, it was indeed awe-inspiring for its merit.
However, the premise of mending the heavens requires there to be heavens; even if they were subpar, the late Old Master Chen Xing was at least a Transcendent, perhaps even of Middle Tier level.
This means that regarding the inherited Secret Skill, though his physique wasn't entirely suitable, he did nevertheless achieve some results.
Why?
Perhaps the bloodline doesn't demand such a high requirement, making it a cultivation technique with considerable universal value that many people can cultivate?
Such an explanation might put too much pressure on the "Opportunity-Attracting Spell."
Or maybe it was purely coincidental that the burglar also possessed certain talents?
It seems indeed unverifiable; Fu Qian could easily imagine some matching cases—
