The Blood Feast

The Blood Feast was an Imperial excoriation campaign conducted by the Shattered Star Space Marine Chapter against heretic forces upon the rebellious cardinal world of Sarull IV, which had fallen into open rebellion and declared their secession from the Imperium. After making planetfall, a warp rift ripped through reality, summoned forth by Chaos cultists. A legion of Khornate daemons flooded through the warp gate and began to massacre the inhabitants of the doomed world. The Shattered Star valiantly fought against the unending tide of daemons and then launched an orbital bombardment to seal the warp gate, cutting off the tide of daemons. They then finished purging the planet of Chaos cultists until Sarull IV was deemed cleansed.

History
A blood cult corrupted the high priest of the Cardinal World of Sarull IV, when the cult attempted to secede from the Imperium the Shattered Stars immediately responded. When the Chapter made planetfall they were swarmed by crazed cultists who attempted to bludgeon and stab the Astartes. When the battle was at its apex a large warp rift emerged and a Khornate daemon started to flood through the portal. While each squad was in combat with the daemon, air support was tasked at leveling the massive buildings neighboring the portal in hopes of crushing it and forcing it closed. Unfortunately, daemonic cannons were being used to keep the Stormbirds and Thunderhawk gunships at bay.

The 4th Company, led by Hephael, launched an attack on the cannons to allow their ships to level the portal. Hephael made the unfortunate order to allow the daemonic horde to attack the civilian shelters to let the company destroy the cannons. While the cannons were being destroyed the air support was given time to completely level the buildings near the portal crushing and dissolving the gateway into the realm of madness.