Ordinary cultivators, even if they are lucky enough to obtain a bit of incense fire, would refine it into a Yin Evil artifact to harm souls and devise secret schemes.
As for actively absorbing it, that is something they dare not do.
What is the difference between this and inviting a fiend into one's body?
However, Yu Xian knew that Human Ancestor dared to do so, probably because he had found a true way to utilize these incense fires.
Sure enough, once Human Ancestor brought Yu Xian back to the Spirit Realm, he had no intention of hiding anything.
"To talk of refining the Spirit Realm, I dare not claim such an ability. If I had it, I would have knocked on the door long ago instead of politely inviting you here."
"I have merely taken a different path and found a way to simulate the techniques of Heavenly Dao."
With these words, Human Ancestor reached out and effortlessly grasped at one of the myriad divine statues.
