Deathwatch: The Known Unknown (Short Story)
Deathwatch: The Known Unknown is a short story by Mark Clapham. It was published online in February 2016.
Brother-Codicier Jensus Natorian of the Blood Ravens has served the Deathwatch for many years, bringing his psychic talents to bear against the hated xenos on countless battlefields. However, when his original Chapter request aid in combating a genestealer infestation within the space hulk Endless Despair, he is compelled to answer this new call to duty in person. Will an unexpected reunion with his old mentor, Librarian Captain Lanneus, on board the hulk herald the beginning of greater cooperation between the Chapters, or something much darker?