Pie Jesu Domine *thwack*, dona eis requiem *thwack*...
The Way is the predominant faith in Tyren, and thus it’s precepts hold major influence in the world.
They were a very religious people, focused upon their leaving to the afterlife. They associated magical spirits/ gods with birds. It is difficult to determine if this was metaphorical or actual.
If you want to add a "supernatural" touch to your campaign, define the rules of magic and the universe. Make your players comfortable with those rules. Then your new supernatural creatures must then break those rules.