Abaddon the Despoiler made many blood pacts with the Dark Gods in the wake of Horus' defeat during the Horus Heresy. In 781.M31, Abaddon made his first attempt to launch a new offensive against the Imperium of Man following the Horus Heresy and initiated the First Black Crusade, also known as the First Battle of Cadia. Following this deadly incursion, the Ruinous Powers granted Abaddon the means to further increase his already formidable power. On the world of Uralan, Abaddon recovered the Daemonsword Drach'nyen after battling his way through a haunted labyrinth to the great inner chamber where the blade had languished in stasis for millennia. The howling sword contained the bound essence of a dangerous Warp entity who had the power to rend reality apart wherever the weapon strikes. After