: It is often cited as the darkest installment in the series, moving away from traditional "happy endings" to chronicle Fenris's tragic journey toward the Tower in the Valley of the Wolves. Digital & Publication Details
: The story follows Fenris , an elf afflicted with lycanthropy—a rare and "impossible" curse for his species that causes him to transform into a werewolf during full moons. Fenris El Elfo Laura Gallego epub
: While it is the fourth book published in the series, it serves as a prequel that explores the origins of Fenris, the mysterious elf first introduced in El Valle de los Lobos . : It is often cited as the darkest