The Last Talisman

Nihal must make an impossible journey to defeat an army of the dead
 
Nihal wakes in the forest, a talisman heavy around her neck. Her armies are scattered, she is sick with fever, and the Tyrant's grip on the Overworld is tighter than ever. This blue-haired girl, the last of a vanished race of half-elves, is a Dragon Knight, one of the greatest warriors in the land, but the forces of darkness are aligning against her.
 
Using black magic, the Tyrant has found a way to raise fallen soldiers from their graves and force them to do his bidding. But if Nihal can find the eight stones missing from her talisman, she can rid the world of magic and restore peace to the Overworld. With the help of her closest ally, the sorcerer Sennar, she begins the mission that will lead to glorious victory—or certain death. Nihal has the power to save the Overworld from destruction, but can she save herself?