It All Started in Caliban . It was a world covered with majestic forests, full of amazing beauty and deadly dangers. Brave knights fought with great beasts, protecting from monstrous creatures scattered human settlements. And the greatest of the knights was Lyon El-Johnson, the mayor of the Imperial Legion of Dark Angels, unaware that his father's fleet, Emperor Terra, was approaching Caliban. In the meantime, the person closest to him in spirit is Luther, who once found Lyon a child in a forest thicket. A lot has changed since the angels came down. The drama, still far from the denouement, unfolds in front of Zachary, a knight who has become one of the imperial Astartes. He will be a witness and participant in the great and tragic deeds.