Foundational, Basic, Middle, High, and Top Level.
These Martial Arts were from the most common Secret Manuals in the secular world... They weren't difficult to comprehend; as long as you weren't an idiot, you could learn them in three to five years.
Mortal Tier, Spirit Tier, Earth Tier, Celestial Tier, and Saint Tier.
To learn these Martial Arts Secret Manuals, one needed not only talent, but also fortuitous encounters. Neither could be lacking.
Emperor Yu himself once spent a full three years comprehending a single Mortal Tier, Low Grade Martial Art...
"Three days!"
Emperor Yu's voice was filled with disbelief.
"In just three days, you actually managed to comprehend a Celestial Tier, Middle Grade Martial Art... That's just monstrous."
"It's not very useful for now!"
Chen Han scratched his head.
Just pulling a teacup over to himself had nearly exhausted all the Power in his body.
If he used it in a real battle, he'd probably be the one to suffer.
