The essence lies in how to artificially induce mutation and breed mutants!
To Ji Jue, this was no different from setting off fireworks on a manhole cover; the noise was definitely louder than usual, and when it was time to go, it was surely quicker and more tranquil than normal.
A slight distraction could easily lead to a loss of control and collapse, and without careful attention, something ghostly might pop out of the furnace, and then it wouldn't be up to the craftsman to decide.
After mastering the related techniques and theories, one could indeed transcend one's own rank and limits, creating something beyond one's own limitations.
However, the problem was that the controllability was nearly nonexistent.
It was good work—but it wore the craftsman out.
If done without preparation, it was just like flooring the gas pedal on an overpass during a stormy night—don't ask where daddy went, just leave; crying is useless, might as well take you with me!