The Dennar IV Suppression was an Imperial military campaign carried out by the Howling Griffons Space Marine Chapter against Chaos Cultists on the Agri-World of Dennar IV in 109.M40. During their long search for the Word Bearers Chaos Space Marine warband of Deklamus the Vaunted, the Howling Griffons 3rd Company under Captain Penvath Joachim responded to a planetary distress call from the world of Dennar IV in the Sangramentia Sector. This important supply world had succumbed to rot from within as the worship of the Ruinous Powers took root amid its flenser-cults and cult-clans. As the Howling Griffons descended on Dennar IV, they found only a handful of its city-states holding out against the horde of Chaos Cultists and daemon-possessed madmen, their walls packed with refugees fleeing the