Flair's eyes darted across the room. He had only now realized the huge gap in his repertoire invisible enemies represented. He looked for a bag of flour or other container of particulates to try and negate its invisiblility.
Spoiler: OOC
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MA: Look for a bag of flour or similar.

If I find it, I spend my other move action holstering my crossbow and 5 foot step towards it.
Otherwise, Flair will swear and start running back up the steps.