Lim Dall-young stories are actually pretty interesting even if he never finishes them, this one though seems like a typical isekai slop. His summoner isekai has a more interesting plot.
You guys have tiktok brains or something, let the author cook, why do you want a quick MC destroys his opponents like some basic manhwa/manhua? He does have a lot of power but he's still relatively inexperienced, I prefer this than him curb stomping everyone