It doesn't matter how you kill them, as long as you do it. [Wings or not. They're just an extra target and that's convenient.]

Don't be so concerned over how it's done. They aren't going to wait for you to make a clean kill. Don't you forget that. If you do you will surely die. [His index finger is pointed at her for emphasis. Leave it to him to start a discussion like this in the middle of a fight.]