Max Stats in the Apocalypse

Roger Wyles, in his third life in an apocalyptic world, faces different situations where he was uninterested. Now that his stats were at their max, how should he control his power in this apocalyptic world where beasts known as monsters rampage and put humans in danger? Ah. I forgot about you. It had been 80 years after all. His first life was on earth, his second life was in a different world, and now in his third life, he was back on earth. Just what kind of phenomenon was this? In the post-apocalyptic world, what was the best way to control his overpowered self.