The Old Blood
In a Witcher-esque series of events, the mundane and magic worlds collided. Creatures and magic flowed openly to the mundane world. A war for survival broke out among all the species, eventually leading to an uneasy peace between men and those of magical blood.
Magic has since settled into the world and calmed itself, but it is still weaker than it is naturally.
Recently though, a great war broke out. A nation of men harnessed what magic was in the world and created great weapons of war that scarred the world and poisoned the surface. Since then, racial tensions have resurfaced and tensions are high between the Men and the Magical