He, along with his fellow World Eaters, slaughtered all of them.Įhrlen later encountered the Emperor's Children Captain Saul Tarvitz, who warned Ehrlen that he and his World Eaters needed to take immediate cover at the bunker complexes to the west of the Choral City, as Horus was about to virus-bomb the planet. Captain Ehrlen led a division of World Eaters Loyalists towards the Precentor's Palace in Istvaan III's planetary capital, the Choral City, meeting thousands of civilians who tried to stop them. He ordered elements of the Sons of Horus, Death Guard, Emperor's Children and World Eaters Legions to deploy to Istvaan III in order to suppress the revolt being instigated by the Renegade Planetary Governor Vardus Praal. In order to accomplish this, he used a stirring insurrection on the formerly Compliant world of Istvaan III to accomplish his goal.

When the Warmaster Horus first fell to the Ruinous Powers, he knew that in order to successfully launch an all-out war against the Emperor of Mankind, he first had to remove the Loyalist elements that remained in his, as well as his other traitorous brother Primarchs' individual Astartes Legions.

Horus heresy world eaters