At the height of the Great Crusade, Ferrus Manus leads his Iron Hands in battle alongside the Salamanders and Death Guard on an alien-held world. But when he is cut off from his brothers and sons and lost in the darkness, can Ferrus Manus reign in his aggression long enough to heed a warning that could change his dark destiny?Written by Nick Kyme. This story is also available in The Primarchs, book XX of the Horus Heresy series.

Read it because
Ferrus Manus' early exit from the Horus Heresy series robbed us of the chance to see him in action much... and this story remedies that in spades.