Is it possible that Oetsu might be the best swordsman in the entire series?

Even surpassing Unahan who's said to be the best

I mean, we're talking about the creator of zanpakuto here, the number one smith, and the one who knows all about swords

Even surpassing Unahan who's said to be the best

I mean, we're talking about the creator of zanpakuto here, the number one smith, and the one who knows all about swords