Originally Posted by Majuub

Nothing, really? The fact that one punch from Hirudegarn damaged Goku a lot doesn't mean nothing, the fact that he was treating Goku like a fly doesn,t mean nothing? He wasn't even hurt by Goku's hits, only the Dragon Fist proved to be a powerful attack that touched his weak spot. He was just hitting and Goku had a hard time blocking his punches, so if Hirudegarn was hitting Goku more and more, obviously, he would have take him out.