A disciplined, militarized world where entire city blocks double as barracks, Aegis Prime is home to the 99th Cadian “Steel Line.”

‍The Necrons consider it a personal affront to their dominion. Their brutal orbital drop assault flattened Hive Balricus and began a protracted siege against Hive Endova, where the Space Marines now fight in endless corridor battles under collapsing spires.