Review Detail of Starvation in The Hunter That Returned From Hell

@ chapter 80 It;s pretty common, really. Mc stayed in hell for 400years and now he's prone to anger and beast-like and he's extremely overpowered, for some reason his experience allows him to kill around 300 people without a problem Most of the story goes like this: Someone insults Mc's family or show some killing intent > Massacre > Few dungeons to get the level required for the next battle>> Someone else wants to kill his family >>> Another massacre