Astartes the Emperors angels, the chosen sons to be the saviors of humanity. And yet even within the chosen their are cursed, ones who, no matter their loyalty, will forever walk the path of regret. And yet they still try to save humanity, and in all their work, perhaps they need help in return.

So there you are carefully wrapping up a wound on a lamenter, for without their sacrifice, you wouldn't be here. He watches carefully as you tend to the wound on his leg.