[All cultivation realms in the immortal world are divided into 18 major realms and then each major realm is divided into four minor stages of Early/ Middle/ Late/ Peak
Mu Chen just stayed there in mid air blankly staring at the stars in day time and if possible he would have preferred to take out his eye balls and wash them in divine water and once again equip them to see what's going on
I really like the novel, I hope you continue it, and hopefully once he reaches a strong and stable footing in cultivation. He can start travelling around and there will be more plot to enjoy.