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2drones.gif This article is about the Planet; for the War Robot, see Castellan Class Robot.

Castellax was a Fortress World of the Iron Warriors.

Map Basic Data Planetary Image
px Name: Castellax Unknown.jpg
Segmentum: Unknown
Sector: Unknown
Subsector: Unknown
System: Unknown
Population: Unknown
Affiliation: Orks, former — Iron Warriors
Class: Ork World, former — Fortress World
Tithe Grade: None

Previously an Imperial Mining World, the world's rich minerals had drawn the attention of the Iron Warriors whose Third Grand Company under Warsmith Andraaz launched a vicious conquest. After seizing the planet, they initiated a savage exploitation of Castellax, draining its oceans and polluting its atmosphere. The planetary populace was enslaved, forced to man infernal factories to produce supplies which were sent as tithes back to Medrengard. Entire generations of slaves were born and died in this hellish environment. To feed the planetary populace, water was extracted from the nearby moon of Impex V while food for the slaves was produced by grinding their dead into a nutritional paste.[1a]

The Iron Warriors centuries-long rule on the planet was maintained by a small garrison of Iron Warriors who oversaw the Janissaries and Mamelukes, slave soldiers that enforced Medrengard's will upon the lowest class of slave laborers.[1a]

Notable Locations

  • Dirgas — Factory-City[1a]
  • Vorago — Factory-City[1c]
  • Oramis — Factory-City[1c]
  • Witch Wall — A massive imposing defensive line a half kilometer high and stretching for thousands of kilometers, locked within its dungeons captured Psykers sent mental screams through speakers, disrupting enemy forces and preventing psychic assaults.[1b]
  • Iron Bastion — The central fortress on Castellax, home to Warsmith Andraaz himself.[1c]


Sometime in M41, Castellax eventually fell under a massive Ork invasion by Waaagh! Biglug. After a vicious battle against the Greenskins and a slave rebellion, Warsmith Andraaz was slain and Castellax overrun.[1d]