Appearances don't make up a measure of a person, but they can attract the wrong kind of attention.

[The piece of metal she's waving around hardly impresses Dun. It's not sharp, and apart from bludgeoning damage what else can it do? He'll keep to his podao and his sword, thanks.]

I fail to see how that small thing you're carrying can protect you. Can you even fight? And it's Xiahou Dun. Not Xiahou. It's a double surname. Have you never heard of one before?