The internal story title lists as Part 4 while the cover lists as Part 5 of Siege of Darkness. Part 4 is Darkhold: Pages from the Book of Sins #15.

Morbius killed Louise Hasting in the last issue and was now possesed by a demon known as Bloodthirst Him and his alter ego started working with Lilth ever since. He flies in the ski with is love Martine. Now the remaing Midnight Sons which now consist of Caretaker, Ghost Rider, John Blaze, Vicci Montsi, sam Bucanion, Vengence, and Doctor Strange hide out at Stranges Mansion which is soon Invaded by Morbius Which Leads Lilth, Zarathos, and the Lilin. As giant battle takes place with member from both sides, There is an awsome fight between Morbius and Doctor Strange was by far awsome. It was both physical and mental. In the end, Morbius kills Bloodthirst but it left Strange wounded. In the end, Morbius rescues Blade, Drake, Jinx, and Mordred from a tenticaled Lilin. However in the end, Blade persues Morbius in a fight.