Qu Jianlei carefully analyzed the Nirvana Technique... How to put it? He felt it wasn't a proper path.
With his shallow knowledge, he certainly wasn't qualified to evaluate cultivation techniques in the Immortal Realm.
However, he understood a bit about the general principles and methods of the cultivation system.
Qu Jianlei highly suspected that this technique might not be designed for human cultivators.
Anyway, there should be demon cultivators or the spirit pets of cultivators in the Immortal Realm; he felt this technique was more suitable for the non-human race.
At the very least, it should be for humans with demon bloodlines.
This kind of cross-species life crystal is not very common in the Empire and is even strictly forbidden to be researched.
But in the cultivation world, there are no shortage of similar legends, with various extraordinary beings seemingly adept at breaking reproductive barriers.
