I asked you to go to jail, how come you are invincible?

Question: What should I do if I find two corpses in my house for no apparent reason and are then forcibly detained?
Fortunately, not long after entering, Jiang He discovered that as long as he was in jail, he could accumulate upgrade points to upgrade himself, which was simple and crude.
Are you like a wolf or a tiger? It doesn't matter, my body is full, and I transform into a sports student and take it with a sliding shovel.
Is your extraordinary power so powerful? It doesn't matter, my resistance is maxed out, so break my defense first and then talk.
If you spend every day fishing in jail, your strength will continue to grow, and you still have to take care of food and housing. Who doesn't like this kind of life!
What monsters dare to delay my imprisonment? I can't bear it anymore! Blow up the whole world with one punch!