"Please follow the guidance and berth your warships in the designated spaceport."
In the busy space around Macragge, a battered fleet activated its auxiliary engines and proceeded at low speed under the guidance of navigators.
Captain Gantula of the White Scars stood before the bridge viewport, his keen gaze fixed on the colossal object ahead.
In the orbit of the forge world known as Mustafar, a macrostructure the size of a satellite floated and turned.
"That thing is made of metal. I'm certain of it," said an Iron Hand beside him.
Gantula merely watched the metal satellite grow ever larger before them. The readings detected by the avian servitor showed that the object's diameter exceeded 3,400 kilometers.
Having endured countless hardships in crossing the Warp storm, their fleet seemed as tiny as ants before this behemoth. It was an artificial object on the scale of a celestial body.
"Is that the Ultramarines' rumored secret weapon? The battle planet called Amattra?"
Information had never been blocked between the Legions. In fact, rumors often spread far faster than official notices.
The Legion warriors arriving in the Macragge system had gathered every scrap of information they could find without pause. They were awed by the Ultramarines' brilliant victories in the eastern galaxy.
The Battle of Calth had shattered the enemy's scheme to ambush and annihilate the XIII Legion. The Battle of Amattra had thwarted the enemy's Shadow Crusade, and they had even miraculously beheaded the traitor primarch Angron during the war.
Although the Ultramarines had sealed off news of Nuceria, everyone could still infer what had happened on Angron's homeworld from the rumors.
Of all the things that astonished these gathered Legion warriors, aside from the brand-new power armor, the most remarkable was the famed battle planet Amattra.
It was this celestial void