El Señor de las Sombras (Los buscadores 3)

After facing the fearsome Serpent Sword and saving Dani from almost certain death, the seekers can't rest. They want to learn more about the Brünenger Foundation and its connection to Professor Valtierra's research. What they didn't expect was to have to confront dark forces lurking in the shadows once again, forces that seek to seize Zoe's powers. These formidable enemies, intent on reviving infamous ideas from the past and dominating the world, will push the protagonists' relationships to their limits.