Warhammer Horus Heresy Horus Heresy: Mkiii Breacher Squad 31-141his is a Warhammer Horus Heresy Horus Heresy: Mkiii Breacher Squad [31 141] This multipart plastic kit builds ten Breacher Squad Legionaries, well protected close quarters specialists for your Legiones Astartes armies in games of Warhammer: The Horus Heresy. Equipped with boarding shields and one handed bolters, they can shrug off firepower that would take down a standard Tactical Legionary. They are ideal for adding durability and close to mid range