The vampire had a Stand, too. Because just being a vampire wasn't enough. That's the one that was like Star.

[He watches Abbacchio drink, waits until he lowers the bottle down again, then takes it out of his hand and tosses back one of his own. It leaves a smudge of black lipstick on his lip, transferred over from the glass, and he frowns slightly before scrubbing it away on the knuckle of one hand.]

Do you really want to get to the bottom of what that kid was doing here?