Comments of chapter undefined of The Greatest Disciple of the Evil Sect

Arthur I have a few questions please answer 1) why are you using battle energy instead of qi or mama.? 2) why is MC is dumb when using the system !? 3) why is MC is not taking full advantage of system ?? 4)why is MC is not selling the skills he got from the ring to system ??? 5) will MC stay this bumb the whole novel or get any better !???