In this world full of collisions between the old and the new arts, science and divine power, Lu Yuan arrives with an occupational panel that could infinitely switch professions.“Job 【Martial Arts Grandmaster】 + Material 【Heart of Abyss' Nine-Headed Dragon】, can advance to the job 【 Dark Dragon Sect】...”“Now... I should be able to tear apart a Mecha with my bare hands right...”