Won't have to do those things, but has to do some even worse things instead. What a wonderful argument, brother dear.
No need to comprehend a madman's ambitions. They're just delusions anyway.
Flashbang without the bang.
Slicing power of a longsword that can slice through leather armour. Well, that's surprisingly grounded. Not sure I'd call that power "incredible," but a single touch can be fatal, if it hits a vital spot.
So she just told them to disrupt their chanting.