- Heavy Infantry. - Chosen Chaos Marines have decades, often centuries, of battle experience. - Learnt how to make best use of cover to survive the modern battlefield. - Resilient general combat unit strong at both close and ranged combat. - Can upgrade with sound-based weapons such as enhanced Sonic Blasters and Blastmasters. - When the research ''The Gifts of the Primarch'' is completed, they may be upgraded with Volkite Caliver rifles. - Effective against Infantry and Armour when upgraded. - Limit of 2 per combat deployment. They use shared caps with the Noise Moritat Squad.