The Moonbitten

From the introduction: The old myth about the trickster god who intertwined with a giantess and the results of that unholy union, the great beast Fenris, is known to almost everyone in the northern realms and most sages around the world. Or how the gods, fearful of his malice and ever growing power, trapped him with a magical tether made by dwarves, until the prophesied apocalypse.