Scar's frown turned from curiosity when the figure approached, to confusion when he practically pretended the Ishbalan was not even present, to a bit of a glare. Lust knew this man- apparently quite well, from the way they spoke with one another.

Just add him to the list. Not that he was keeping one.

He waited for their greetings and... pleasantries to be over with before cutting in, not bothering to introduce himself. There was a touch of acid in his tone, as well.

"Who are you?" The words weren't stated like a question, as they often weren't with Scar, but were more of a demand.