You Were Sent to Prison, How Did You Become Invincible?

Asking a question, inexplicably discovering two corpses in the house, and then being forcibly detained, what should I do?Fortunately, not long after going in, Jiang He found that as long as he was in prison, he could accumulate upgrade points to strengthen himself, simple and crude.You're like a wolf and a tiger? It doesn't matter, I directly max out my physique, transform into an athlete and slide tackle.Your extraordinary power is so powerful that it explodes? It doesn't matter, I max out my resistance, break my defense first.Every day in prison, slacking off, my strength will continuously increase, and I also get food and shelter, who doesn't like this kind of day!What kind of demons and ghosts dare to delay my imprisonment? Can't stand it anymore! One punch to blow up the whole world!