Musk shifted his position before his eyes fell on the record again, continuing to read, "To make up for this, since the limitation of the physical body had been achieved, the pursuit changed towards energy. This path proved more attainable, and the energy not only helped in continuing to improve the physical body strength but improved lifespans, healed internal injuries…"
Seeing the development of martial arts, and cultivation, he rushed through most of this information until he reached the section on cultivation realms, and the first stage was body refinement, which was defined differently.
The most ancient and basic, cultivation of body refinement was too thorough and this made him gasp, as the focus of this section seemed to be on the development of the physical body potential to the limit before anything else, and even geniuses would end up taking close to 20 years.