“It means…” Lightning Dust touched down beside her, panting from the effort. “That flying gets harder the further north you go. Those lines on the map… everything gets heavier. That means flying is harder. It takes more magic to lift…” She shook her head. “Forget the stupid egghead stuff. It’s the only reason this trip was gonna take two days and not just one. Cuz’ we’ll need time to rest and get ready to fly again.” She looked up, eyes widening. “Sure is a deep hole.”