The High King of Montival — S.M. Stirling

With The Sword of the Lady, Rudi Mackenzie's destiny was determined. Now he returns to Montival in the Pacific Northwest, where he will face the legions of the Prophet. To achieve victory, Rudi must assemble a coalition of those who had been his enemies a few months before and forge them into an army that will rescue his homeland.

Only then will Rudi be able to come to terms with how the Sword has changed him, as well as the world, and assume his place as Artos, High King of Montival...