Katakuri is so strong for the reason that he needs to protect his little siblings. And when he was beat down by Luffy, he accepted it like a warrior because Luffy is a strong opponent.
Honestly idk why katakuri lost. I personally see him as an admiral level character. Ik that isn’t the case but it would be cool if he was stronger. He has potential and that is what is so disappointing
Katakuri stabbed himself cuz his youngest sister was helping he said WHEN 2 MEN ARE FIGHTING LEAVE THEM then he stabs himself saying LAUGH AT THIS she said BIG BRO!
