In the days that followed, Zhang San continued to practice with Niu Mo.
After all, what the Ancient Flame Bull mastered, although it was an ancient cultivation method, much of it no longer suited the changes in this world today.
But through some of its principles, one can deduce some cultivation methods that suit the present, even getting a glimpse into the cultivation techniques of ancient times.
Zhang San discovered that during ancient times, the cultivation of the beings in this world mainly focused on body refinement, which is why the development of martial styles was extremely powerful.
Only those beings who couldn't achieve great accomplishments in body refinement had to walk the path of techniques.
After all, in the face of a powerful physique, no matter how strong the techniques are, if the enemy gets close, it's game over.
As for runes, although they existed in ancient times, they weren't very powerful.