"Some creatures are simply hard to talk with. Take the Krys for example…"
Strange plant-creatures from Rosetta II, the Rosahomin are, for a small portion of their lives, roughly humanoid creatures, fully sentient, and capable of interacting with the galaxy.
An oval a full mile and a quarter in circumfrence, infield thick with dark grass, surrounded by white fences and stands enough to seat two thousand spectators. The smell of hay, horse sweat, and excitement is strong 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.