Dark Angels Interrogator-Chaplain Boreas and his men protect the recruiting world of Piscina V, watching over those who will be the next generation of Dark Angels. But when the Chapter's greatest secret – the existence of the Fallen, warriors who turned against their brothers ten thousand years before – comes to light, Boreas's own past interrogating one of these traitors comes back to haunt him with tragic consequences.ABOUT THIS EDITIONThis anniversary edition is presented with an introduction by author Gav Thorpe.