The Anvil of Ice — Michael Scott Rohan

In the last days of the world's beginnings, a great wall of ice encroaches from the North--a terrible weapon of supernatural forces intent upon destroying the enduring race of humans who inhabit these harsh and primitive lands. Yet there is one whom Destiny has chosen as unlikely savior of his doomed kind--a simple youth apprenticed to an unrelenting evil...and fated to wield a tainted power beyond the imagining of mortals.