[X] They say Ullanor V should have died. Theysay the Thousand Sons fell on that world with all the fury of Magnus the Red himself, and that the skies were red with the echo of the Warp. Imperial historians will reiterate that the closest Chapter of loyal Astartes were several sectors away, fighting in a wholly different war. Yetthere were those who said, and still say, that something pushed the Thousand Sons back. That something came from the sky in that darkest hour, and held the Hive City of Hybrix with defenses that even the greatest daemon could not shatter. Defenses that stood, unyielding, against the mightiest the Thousand Sons could muster. Defenses that, long millennia after the Thousand Sons were driven back into the Warp, stand still. (Gain Mythic Trait: The Iron Shield, Gain Favor with Imperial Citizenry)