The Prison World Tower!

It could be said that this was his ace in the hole, but he didn’t dare to use this trump before! Because he tried it once, and he almost killed himself.

But at this moment, he had to use it!

Because he, at present, had no other choices.

As was said before, if he gave it a try, there might be an opportunity to leave alive, but if not, there would definitely be no chance!

But he never had any ideas how ...