The Fourth Legion -

"Iron Without!" roared his Legionaries as they advanced, not running, but walking in a relentless, iron wall. The Imperial Fists fired from the breaches, but the IVth Legion simply ignored the casualties. They were used to taking suicide missions, forced by their primarch, Perturabo, to excel in hopeless situations.

Warsmith Valerius stood on a ridge overlooking the shining white walls of the fortress. Behind him, thousands of his Legionaries—armored in hazard-striped iron—silently checked their ordnance. There was no shouting, no bloodlust, only the cold, systematic preparation of war. The Iron Warriors did not fight for glory; they fought for the sake of breaking what others deemed unbreakable. The Fourth Legion

When Valerius finally stepped into the command center of the fortress, he did not find a desperate garrison. He found a masterpiece of engineering, now ruined by his own superior engineering. "Iron Without

The planet of Tallarn was already a ruined landscape, but the city of still held, defended by the loyalist Imperial Fists. To the Iron Warriors, the IVth Legion, this wasn't just a tactical goal; it was a personal insult. Warsmith Valerius stood on a ridge overlooking the

The siege began not with a charge, but with a crescendo. For three straight days, the Iron Warriors’ artillery bombarded the walls. Thousands of shells, heavy lascannons, and specialized siege-drills tore into the outer defensive perimeter. The air smelled of ozone, pulverized rock, and promethium.

"Record this," Valerius told his sergeant. "Bastion 4-Alpha fell in four days. The Fists are efficient, but the Iron Warriors are inevitable."