She looked at my finger and the magical lines. Then she glanced up through the doors for a moment before returning to the map. She shook her head and pointed her finger more to the west. In between where Diagon and Knockturn met before reaching the end of the ward lines of the city. It wasn’t where the two alleys intersected normally, as at that point there was a dip on the Knockturn side. There was an old park that used to be there but has long since been forgotten, now home to many homeless who call Knockturn Alley their home. Pointing at the decrepit park, I proclaimed, "if I were to have some sort of command structure where the green light appeared, it would be there."