User blog comment:Goregutz619/HXH episode 121 discussion/@comment-14902757-20140319054543/@comment-14902757-20140320032856

Oh! Yup that was you, Jaadowgg. I think that's a perfect explanation. Now I can bury the question together with the answer. lol

As for Knuckle vs bankrupt Youpi, It's quite hard because their keen senses are not nen-dependent and they are physically strong even without nen.