Secondly, once he cultivates, he loses control over the outer world and has no concept of time, which in a place like the Sin Domain could easily lead to uncontrollable consequences.
Therefore, he simply played with the Spirit Stone out of boredom, while contemplating what to do next.
First of all, it's confirmed that the Myriad Evils Demon Technique can be cultivated by absorbing the Black Mist in the Sin Domain, and based on his personal cultivation results so far, this kind of cultivation seems to have no side effects.
Yet, he knew that his physique was special, so the results and processes of his cultivation couldn't be used as reference.
So, to obtain more accurate results, he should find a group of people willing to sacrifice, pass down the Demon Cultivation Technique to them, and give them a batch of Spirit Stones to try, experience, and use multiple cases to confirm whether there really is no side effect.
