The story of stories-Trollhunters AU

In an alternate universe, the earth was hit by a war between Humans and Trolls, with both species on the verge of extinction. However, James Lake is a young human among trolls, whose past still torments him, he knows that living in a A world like his is already impossible and he has nothing to lose, but perhaps he will have the opportunity to have another life thanks to "the legend of the Trollhunter."
Jack Lake wants with all his might to get his brother back but for that he will need help.
of his strange companion Douxie, and perhaps an opportunity thanks to "The Legend of the Trollhunter"