The Fourth Legion -

"They have had eighteen months to fortify this position," whispered his second-in-command, Berossus, over the vox-channel.

The Fourth Legion didn't celebrate. They simply packed their artillery and began moving towards the next fortress, another, more difficult challenge, for they were the masters of iron and the servants of a war that would never end. The Fourth Legion

The loyalist commander lay broken. Valerius looked down, his helmet displaying endless data streams of heat signatures and structural failures. He didn't feel pride—only the bitter resignation of his Legion's existence. They were the architects of devastation, the ones the Emperor used for the "dirty work", and now, they were the bringers of that same bitter justice to their own brothers. "They have had eighteen months to fortify this

The Iron Warriors (IVth Legion) are known for being master siege-breakers, pragmatic yet bitter warriors who specialized in breaking down static defenses, often in competition with the Imperial Fists.* The loyalist commander lay broken

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.