The mc is the new Shadow God reincarnation, which means he is the real master just a new body. There are much more in depth story as the novel or manwha progress, that's why I won't tell more beside this.
He should have collected the food from the bears. It was a really dumb move to pass up such a large quantity of food in this scenario. (Not like unbelievable sub-human dumb like in the early chapters, just not a wise move)