|Map||Basic Data||Planetary Image|
|Affiliation:||Unknown, formerly Imperium|
|Class:||Dead World, former Hive World|
Further disaster struck when the Imperial relief force sent to aid Phodiam was lost in a Warp Storm, leaving the world defenseless before the Hive Fleet. However, a company of seven Freeblade Knights called the Tarnished Shield then arrived and did battle with Leviathan's Tyranids. Though they were completely outnumbered, the Tarnished Shield held the Tyranid swarms at bay long enough for over a third of Phodiam's populace to evacuate successfully, before the world fell to the Hive Fleet.