Fantasy: I Have a System to Upgrade

Yi Fan traveled to a different world and awakened the upgrade system. From then on, there was no obstacle to improving his realm. He could also practice martial arts with ease, beating all geniuses in the world. "What? Have you been stuck in this realm for three years?" "What? Have you been practicing this martial arts for two years?" ……… The introduction is weak, please read the text. This novel and its characters are fictitious. Any similarity is purely coincidental and should not be imitated. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.