@whyktor lol no he doesn't really have plot armor. It was just a good way of making clear that he's sticking around no matter how strong his opponent is. He's end boss (or close to) material.
This is probably Muay Boran, which is like Shotokan karate in that both are versions of their mainstream counterpart ( muay thai and sport karate) which incorporates much more deadly moves not allowed in the sport version.
@monkey123 i think i understand why you are like that, its okey i would be pretty mad too if no one would like to suck my dick, but you are not gonna get any sucking with that attitude pal