It had to be said that because of the rapid progress in cultivation, countless geniuses had studied demonic cultivation techniques. Thus, all kinds of bloody and cruel cultivation techniques were created and never cut off.
Because of human nature, people were inherently lazy.
If there was a cultivation technique that was not only easy to cultivate, but one would also make rapid progress—it was just that the cultivation technique was disadvantageous to others—then almost no one could resist it.
In any case, if the ones being injured were others and not the practitioner, then the latter had no problem with it.
It was precisely because of this that countless demonic cultivation techniques were improved.
All sorts of arts to deceive the world were also created.
A genius demonic cultivator had created the tattoos Mu Xuan had mentioned.