After traveling to 30K, Wop thought he would just eat and wait for death, but he never thought that the Emperor would ask him to raise children. "Neos, they are your sons! You, as a father, give up and leave all the children to me? How can you be a father like this?" "Horus, you are the son of the First Return, the Emperor's favorite son, why are you looking for me? Don't come over!" "Perturabo, what are you doing? Put me down, I want to stay with Sanguinius!" "Shell, stop Angron quickly, he wants to read my mind! What? You said you also want to know who my favorite child is?" "I told you I'm not your father!"

A mortal was chosen by the Ultramarines and underwent nineteen genetic modifications to become a Space Marine. Since then, he and his team have faced the Tyranids, the Green Orcs, fought against the evil god Slaanesh, eliminated the rebels, and forged brotherhood and glory in the brutal war.

After the failure of the Horus Heresy, the Chaos Legions retreated into the Eye of Terror. Among them, the Iron Warriors Legion's quickly raised troops, Peter and his brothers, broke away from the Legion and formed their own warband, the "Forged in Steel" Brothers.

"We are no longer 'hasty recruits,' no longer expendable, no longer Iron Warriors, no longer slaves to Perturabo. We are now the 'Forged in Steel' Brothers."

"And this is my battle axe, 'The Blood of Crassus.' The Blood of Crassus will have its vengeance.