[He sighs.]

I wouldn't call it cool, I'd call it extremely fucking stupid. With no prep time, no time to assess everyone's combat skills, this is going to just--

[He gestures in the place of words. It isn't that Waver knows nothing of how to fight - taking apart the Grail had resulted in a nasty war that he was practically in charge of - but knowing when to walk away is what he thinks is a greater strength.

Which is not to say he's hilariously wrong, but, you know.]