Purging of Senala

The Purging of Senala was a bloody-handed campaign conducted by the murderous Blood Jaws Renegade Chapter against the Chaos-infested world of Senala. Receiving a distress call from an unknown Chaos Warband, they Blood Jaws set course and quickly arrived at the beleaguered world that was currently under siege by a large host of the Emperor's elite - the Grey Knights Space Marine Chapter - who were busy slaughtering the remains of the Chaos Warband as well as the planet's cultist inhabitants. Instead of fleeing, the Blood Jaws instead boldy attacked the silver-clad Astartes. Though they lost nearly an entire company, they managed to achieve their nefarious goal and secured a rare samples of the Grey Knights potent gene-seed. For what purpose, remains yet to be seen.

History
Upon hearing an distress signal from a Heretic Astartes Warband, the Blood Jaws made their way to the Chaos-controlled world of Senala. Upon the world they found the now extinct and forgotten Warband being slaughtered by the daemon-hunting Grey Knights, along with it's cultist inhabitants. The Blood Jaws, instead of fleeing from the silver Astartes as many Warbands were liable to do, dropped down upon the planet and fought with a vigor and bloodlust that even the World Eaters would have been envious of. Though they lost most of their 2nd Company in the resulting battle, they achieved their prize before escaping back into the Eye with the very gene-seed created from the Emperor Himself....