Deciding that the Ghost Tree shouldn't be tampered with, their next target of travel became the Kingdom of Maleemia, formally known as the Capital of Septemtrionis Ignis which became reoccupied.
Travelling to Maleemia can be indeed troublesome, it is no place for an Ignite. You might be confused, so let me shed light on your questions. See, once heading east for nearly 200 Kilometers from the Ghost Tree, one would see snow covering the mountains. You can find snow on these mountains all year around, each season without discrimination. Terrible for Farming, but it has other advantages, literal upper advantages.
