Angels of Darkness (Warhammer 40,000)

The Angels of Darkness, the God-Emperor's most dedicated servants, harbor a dark secret that stretches back to the great Horus Heresy, a time when humanity was torn apart by intergalactic civil war Now the horrific events from this era threaten to be unleashed as Interrogator-Chaplain Boreas gets caught up in the murderous plots of an enemy from the Chapter's shadowy past....