I mean, that's the fatal* flaw in (almost) every RPG though? I know INN doesn't use an isekai RPG leveling system, but it effectively still has the overall outcome. Some beings are way more powerful than most of everyone else in civilization. And this village (and the Forest of Death in the Land of Death) grows to have (or host) most of them.
Most writers don't bother to imagine how drastically different the world would be if you had dozens of walking MOABs & Nukes in a world of normies and small fry. There are always still armies of small fry, even tho there's also always one or more people in the opposing side that could kill 1000 of them without trying for the MC to fight. How many RPGs have cities in final zones where the guards have to be level 50+ just to be 'guards' with those kind of surroundings, and yet don't just casually go on vacation/patrol once a year or two in the lower continents and solve 90% of the world's low level monster problems?
*obviously not fatal, since everyone has just agreed to skip over that issue and move on so we get to keep the genre.