Outside, the subdued villain was being loaded into a police vehicle. The mysterious civilian was already gone, vanished into the midday crowd as if they'd never been there at all. But their presence lingered in the café, a ghost of impossible skill that had every hero's instincts screaming.

The relaxed atmosphere was gone, replaced by a buzzing, unsettled energy. They had all seen something that shouldn't exist. A normal person who moved like a seasoned pro. And none of them could let it go.