These last few chapters have really rewarded people for sticking with this. The potential that the manhwa had is now being realized, which is very nice.
the first pace is kinda like shit you know at how MC being weak since he is just some human in overlord body but now... look at him grow up :') damn he become op now
Finally, the MC is using his brains. With modern Science and Programming, magical spells can be constructed in a far more efficient and sophisticated way for the user's purpose.