[ Mordred has to bite her tongue, but whether it's to keep from gagging or laughing is anyone's guess. Instead: ]

Or you could pretend to be a corpse. In fact, we could do away with the whole 'pretending' thing.

[ With a sidelong glance, she looks him up and down. Her own clothes look military-aligned, but don't match the guard outfits, so he's much better equipped for bluffing his way out of a situation. So with a shrug— ]

I'll dematerialize if anyone comes. With an outfit like that, if it's a servant instead of a guard, you might even be able to ask for directions. I'm sure the great hero Achilles can come up with something.