Eternal Blade

Eternal Blade summary: Desperate to save her cursed father from the Soulless Citadel, young warrior Emerald discovers she is the key to an ancient prophecy of light and darkness. Her only hope lies in a fabled dark artifact—the Eternal Blade. To wield it, she must embark on a quest to find the gemstones created at the beginning of time. The fate of her father—and the realm—lies in her hands.