[NES] Kung Fu - Floor 4 - Boss that will multiply itself

Trust me, I had spent hours trying to fight the 4th floor boss. My only problem was I did not know how to fight it. I tried many type of strategy, I also tried to push it to the wall. I tried jumping kicks. I dodge it's attacks, find ways to keep kicking. Not that it doesn't die, it will start multiplying itself. I have another video that I spent 20 minutes trying to fight it, but weren't able to kill it. Until I watch YouTube, and it need to PUNCH instead of kicking it. OMFG.