Not that she'd been able to actually run for any great distance at a time. This city definitely loved its architectural diversity, and it was built on many layers, often with spiraling ramps or long flights of stairs connecting the layers together. Erin had spent more time climbing and descending those ramps and stairs than she had actually running. But it was a good workout; she'd been using different muscles than she typically had, and now her legs were pleasantly tired and a bit wobbly.  