The most expensive export of the Rin archipelago, the bottled winds are sold anywhere a buyer can be found.
Those magnificent men, in their flying machines...some of them air cadets, others who are long-toothed veterans of war in the air.
All spell casters gain their abilities through a form of demon possession. So in order to gain magical abilites, PCs must track down and trap demons. Of course there are some pretty powerful demons, if the demon is stronger than the PC, the PC could find themselves subjugated to the Demon's will.