The Last Oath

When an ancient horror buried beneath the Hollow Vale begins to wake, Korvath Greyfang, an ogre exile with nothing left but scars, is forced into uneasy fellowship with the Ashwind riders, horse-clan warriors raised to hate his kind. Bound by slaughter, old guilt, and a ritual that demands both bloodlines freely given, enemies must decide what hatred has truly cost before the world breaks open beneath them.
For three hundred years, the horse-clans of the Ashen Steppe and the broken ogre-clans of the Greyfang Hills have fed their children the same inheritance: hate, sharpened until it sounds like prayer.

Korvath Greyfang has lived fifteen winters as an exile, the lone survivor of a night that took his mate, his unborn child, his clan, and every name he once dared to keep. He wants no fellowship. He wants no mercy. He wants only the cold work of staying alive where memory cannot reach him easily.
Saera Ashwind carries command like a blade held too tightly. Daughter of a clan-chief, raised inside the Long Hate, she believes she understands what ogres are until the dead ground of Hollow Vale opens and the thing beneath it begins to stir.
Ambushed by horrors older than either bloodline, Korvath and the Ashwind riders are driven into a truce none of them trust. Their road leads through ruined Warden stones, old war bones, and the slow revelation that hatred itself has thinned the seal holding back the Unmaking. To close it again, both peoples must offer what they have never given freely: trust.
But every step toward the Vale's heart demands a cost. Every wound changes the shape of the fellowship. Every name Korvath learns becomes one more thing the world can take from him.
Brutal, mournful, and carved deep with the grief of enemies learning too late how alike they are, The Last Oath begins a grimdark duology about found family, inherited hatred, and the terrible mercy of remembering.