Les Soeurs de la lune, tome 18Yasmine Galenorn

As the Demon Lord Shadow Wing creates his own sinister version of the Keraastar Knights—the guardians of the spirit seals—to destroy the portals and free himself from the Sub Realms, his ally, the necromancer Telazhar, leads an assault from Otherworld into the streets of Seattle. And my sisters and I are caught dead center.

Then, on the eve of war, my wife, Nerissa, is captured. The enemy demands we surrender the rest of the spirit seals, or they are going to kill her. I will do anything to save her. Even if it means leading an army of vampires into the very depths of the Subterranean Realms...