Where they were. Yes, that would make things easier. Very much so, in fact. It was merely that no one had ever bothered to tell the Lumens themselves. There was no one place they congregated. Even the Heartless had been cropping up in the city of late, and Zexion had every reason to suspect one very particular being for that.

"Most tend to lurk in the less populated areas, although I have heard reports of them occasionally moving into more populated areas. But if you stay where the people are you ought to remain relatively safe."