It’s a very long story…

But all of that was nothing compared to what happened when Tyson appeared in the ring, and the dog suddenly remembered that it was a hellish creature and didn't need to follow any rules. And it immediately opened the gates of Hell, from which demons, imps, and devils emerged. But they couldn't make an impact on the battlefield because Tyson was there for a reason, and with his fists, he instantly killed the demons...