The Night Arrows are a Raven Guard successor hailing from Ulasig, a tidally locked feral world in the Qhalreis Expanse. The Chapter considers most of its history, apart from knowing their genetic lineage, irrelevant until M35. This is when the Iron Warriors Warsmith D'jaqq Zhon led an unexpected raid that saw the population of the planet which had, until that point, lived relatively stable existences near the planet's terminator, forcibly marched on foot to the world's substellar point. This trek through the planet's hellish star-facing side killed more than 80% of the world's already meager population. This would have risen to a complete extermination had nomadic tribes that already lived on the periphery of the world's hive cities not enacted a guerilla war, freeing and training survivors who would gradually pick off the Iron Warriors, leaving their already thinly stretched units outflanked and ultimately buried under the Ulasig sands. D'jaqq Zhonn, not about to allow his pride to be so deeply wounded by mortal barbarians, extracted his forces and was only ceased in his attempt to cleanse the world from orbit by the return of the Night Arrows who had rushed back to the defense of their recruiting world, joined by the Raven Guard 7th Company, of whom many senior Night Arrows hailed from prior to the Chapter's founding. While D'jaqq Zhon managed to escape, he would spend the rest of his existence being hunted by the Night Arrows.

The Chapter's visual aesthetic is that their command units have helmets influenced by the Ulasig Kadjinn Dancers, whose prophetic ceremonies accurately predicted the nature (if not the timing) of the planet's near-death.

Other facts for the Night Arrows:
-Chapter Master is currently interred in a Contemptor Dreadnought chassis and is gradually being replaced by the remaining command cadre
-Have an ongoing fight against an Ork Freebootaz Kaptin 'Waaaghdook Zill'