Although Subdue Evil had said that 'Body Refinement and Artifact Refining' were essentially similar, this similarity was like the difference between raising cattle and raising people.
The essence was to eat well and exercise more in a good environment without stress to nurture well... but what specifically to eat, how to be stress-free, how to exercise more, and what kind of environment could be considered good - these details were the truly important teachings.
But An Jing was different.
He managed to derive 'One Hundred and Eight Breeding Strategies for Cattle and Horses' from the fitness manual, prompting Subdue Evil, who initially planned to teach steadily, to impulsively let An Jing get started on crafting directly.
The crafting of the Dragon Storing Bottle was not complex, or rather, it was unexpectedly simple.