Cato Sicarius: Master of the Watch

Alone and injured on a dying world, surrounded by a horde of monstrous tyranids, Captain Cato Sicarius of the Ultramarines is determined to bring an end to his inhuman foe, even at the cost of his life. Haunted by past mistakes, Sicarius prepares to meet the Emperor… But the Master of Mankind may have other plans for the Master of the Watch.