- Heavy Infantry. Can attach. Slow moving. - Preachers of the sevenfold doctrine of the number seven, the unholy number of Nurgle, the integer infectum, the digit of disease. - Effective against Heavy Infantry. - Decreases enemy commanders ability recharge time. - Increases the weapon accuracy of the squads he is attached to. - Foetid Virion - you can recruit only 3 of Foetid Virions at a time.