Escape from the Orgy of Hate

Deep within the bowls of the Orgy of Hate do you lie. Gutless heretics, outlaws, Chaos Space Marines it does not matter; All are equals here. 
The cold depths of the mighty vessel teem with liveliness, itself being the Capital ship of a prominent Red Corsair raiding party. You number among the ranks of the mercenaries and debauched lunatics that would seek war against the corpse Emperor and his rotting Imperium, an accessory to the violence since committed within the Maelstrom. But your time draws short, your dealings with the Red Corsairs have come to and end and victory has already been tasted. One final stop and all temporary passengers will disembark with their spoils and scatter throughout the war-torn galaxy. 
Even as the thought of your next conquest stirs within your depraved skull, loud whirring sirens begin blaring and flashing; Several other passengers scream their delight at the sudden onset of noise and light. 
"ENEMY BOARDING TORPEDOES" The words limply thrown together and screamed into the ship-wide vox. 
A sudden loud CRASH rocks and shakes the vessel as you are thrown forward, a figure unlike any you have seen within this hold catches your fall. The figure is unmistakably Astartes, his armor a deep blue with green cresting shapes entangled upon it.
"I am Alpharius, and you are coming with me. There is no time to explain."

"Greetings Lord Alpharius, I am Xues, Magister Immaterial to the Great Conspirator. Lead the way!"

"Greetings. We are headed to the Bridge, as the Captain of this ship has requested a word and considering the recent change in circumstances...I would suggest you come with me."