Martial Arts Supreme Starts from the Entry

Once traveling through time, Jiang Xu found that he was accidentally bound to the system. As long as he fought, he could obtain martial arts, and martial arts could be used to upgrade his entries! Ridicule? Provocative? Just worried that there is no experience package, you are here. [Long-term congestion (gray)] - [Strong body (white)] - [Copper skin and iron bones (green)]... [The body becomes holy (gold)] [Mediocre qualifications (white)] - [Good understanding (green)]... [Unprecedented (gold)] But when he got infinitely close to the supreme realm, he discovered that things were not that simple...