These techniques could not be cultivated at all by Martial Artists in Qi Refining or Body Refining.
Because they did not possess sufficiently powerful mental strength.
Only Mental Strength Cultivators could do so.
Qin Yan still remembered that when he had first begun learning Alchemy, the first enormous hurdle he encountered had been insufficient mental strength, leaving him unable to get started.
At the time, his mental strength had only been a few dozen hertz. To improve it, he had pushed himself to the point of dizziness and mental exhaustion, and it had taken him several days to recover.
Therefore, a powerful Mental Strength Cultivator could fully become an army unto themselves, or hold an exalted position and receive the pursuit and admiration of countless Martial Artists.
However, Mental Strength Cultivators were not without weaknesses.
Their greatest weakness was that their own cultivation was rather lacking.
Mental Strength Cultivators focused on improving their mental strength and studying techniques, often neglecting to temper their physical bodies.
The strength of their bodies was far inferior to that of Martial Artists at the same level.
Their vitality was weak, their muscles and bones were frail, and their defenses were low.
Once they were ambushed at close range by a Martial Artist, they could very well be finished.
Even a Mental Strength Cultivator with five hundred hertz of mental strength could perish if successfully ambushed by a Sixth Grade Martial Artist.
A blade through the heart, a palm shattering the skull.
Yet if a Sixth Grade Martial Artist tried to ambush a Grandmaster, they probably would not even be able to break through the other party's defenses.
A Grandmaster's vitality surged like the sea, and their skin was as tough as steel. Ordinary blades could not even leave a white mark on it.
That