Breeze of Ironclad: the Abyss (Vol. 7)

Summary

In a high-altitude fortress carved from solid mountain ice, a disgraced knight seeking redemption in the borderlands discovers a copper coin that never falls on the same side twice that could reveal a treasonous plot at the heart of the royal court. Pursued by the shadow syndicate known as the Obsidian Hand, they must race against time before the crystal spires of the capital city begin to fracture.