A long time ago there was war between race Human , Elves , Beastmen , Dragon , Demon, The dragon are the most powerful being in this world nothing would survive by the breathe of the dragon.
Elves has 2 different races Dark elves and Normal Elves The Dark elves they use Dark magic but they can't use spirit element while Normal Elves they use Powerful Spirit element.
Beastman is a half beast and half human they can usually use magic and can transform into beast.
The ranking of races the most powerful is Dragon then next to the most powerful is Demon , and next is elves, Beastmen and the weakest race is human.
Human are the weakest race no power no hope of surviving in this world but human didnt give up hoping that they could gain power in war so they use their knowlegde and they allied with Elves. Human contribution is to provide manpower and technology to the elves while elves provides protection to human.