Bloodsong Series by Asa Drake

The evil wizard Nidhug rules, but a cry of rebellion is still remembered: the cry of Bloodsong, the woman warrior who once fought her way to freedom. Hers is the dream of thousands doomed to slavery and unspeakable torture in the deathless lord's terrible fortress.Now, her cry is heard again, as Bloodsong returns, riding a Hel-horse, from the grim halls of Death itself. She wields such magic as few mortals possess. On her hand is the skull ring of the Death Goddess, Hel... moreThe evil wizard Nidhug rules, but a cry of rebellion is still remembered: the cry of Bloodsong, the woman warrior who once fought her way to freedom. Hers is the dream of thousands doomed to slavery and unspeakable torture in the deathless lord's terrible fortress.Now, her cry is heard again, as Bloodsong returns, riding a Hel-horse, from the grim halls of Death itself. She wields such magic as few mortals possess. On her hand is the skull ring of the Death Goddess, Hel. At her side are a few good friends...faithful and daring companions willing to follow Bloodsong into the very bowels of the evil stronghold, capture the powerful War Skull of Hel, and destroy Nidhug's might forever. less

They were the Death Riders, the remains of once-proud heroes and Hel's greatest warriors. The very touch of their black-hilted swords or rotted flesh brought instant death and even the sight of their mail-clad corpses chilled the hearts of the bravest warriors.Now, the warrior woman Bloodsong must face these ghoulish emissaries of Evil in a battle to the death, for the forces of Hel have kidnapped her daughter, and are determined to awaken the dark magic buried in her soul... moreThey were the Death Riders, the remains of once-proud heroes and Hel's greatest warriors. The very touch of their black-hilted swords or rotted flesh brought instant death and even the sight of their mail-clad corpses chilled the hearts of the bravest warriors.Now, the warrior woman Bloodsong must face these ghoulish emissaries of Evil in a battle to the death, for the forces of Hel have kidnapped her daughter, and are determined to awaken the dark magic buried in her soul. From the mystical island of the Berserkers to wise Freya's domain, Bloodsong and her companions must prepare for the ultimate battle, honing their swords to lethal rediness, waiting for the onslaught to come. less

In the third book of the Bloodsong Saga, faithfully set in the mystical world of Scandinavian mythology, Bloodsong faces the greatest enemy she has ever known—her own son, Lokith, the demon of Helheim. Once destroyed by his mother, now Lokith is back with a vengeance, allied with the Death Goddess Hel and supported by a vast army of her fearsome Death Riders... moreIn the third book of the Bloodsong Saga, faithfully set in the mystical world of Scandinavian mythology, Bloodsong faces the greatest enemy she has ever known—her own son, Lokith, the demon of Helheim. Once destroyed by his mother, now Lokith is back with a vengeance, allied with the Death Goddess Hel and supported by a vast army of her fearsome Death Riders. Armed with only her sharpened sword and the dark-beast powers that are her heritage, Bloodsong must face her son's blind fury and battle the foul forces of Hel as she searches for an ancient long-departed army that may be her—and the Earth's—only hope. less