For a moment there, she wasn't sure what just happened--until she looked to Izanagi and figured that was part of the deal for persona users, so she just nods in thanks, and continues firing. She definitely feels the effects, too.

"Wouldn't say so, but I know a threat when I see one." Constant fighting does that to a person--you quickly assume that anything not attacking you is a friend, and whatever is is an enemy. No surprise, then, that she's switching back to her Phalanx and popping off a shot or two...and before he knows it, she's swinging her hand upward at one of them.

See that, Yu? That's a hapless black blob being tossed up, then being smashed into the floor into tiny bits.