The Frozen Citadel. Kurval, #3

Before Kurval became King of Azakoria, he plied his trade as a wandering mercenary and sword for hire. Kurval and his friend and fellow mercenary Tsabo are planning to take up service at the citadel of Harjula in the frozen north of the kingdom of Simola. But when they finally reach the citadel, they find it deserted, its inhabitants in the thrall of dark magic. The new sword and sorcery adventure by two-time Hugo finalist Cora Buhlert and her occasional alter ego, 1930s pulp writer Richard Blakemore.
This is a short story of 5900 words or approx. 22 print pages in the Kurval sword and sorcery series, but may be read as a standalone. Includes an introduction and afterword.