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.

Kaska traveled to a wasteland world. The sky was covered with yellow sand and radioactive clouds, and the only human settlements were fortress factories behind desolate iron walls. He was determined to save it all. Before that, as the unpopular youngest son of a powerful family on the planet, he was about to have a political marriage with a female workshop worker. The other party was a beautiful girl with white hair and purple eyes. Except that she was a little bigger than others, everything else was perfect. He was very satisfied. Until he heard that the other party was called Fulgrim. What! ? Fulgrim? ! He was puzzled by this. He realized that something was wrong. He cried like a fart spirit whose toes were stepped on. ...Damn it, this is a Warhammer world! Or a Warhammer world where Slaanesh is as rampant as a flood! But I still have my head around...

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!"