Chaplain Xerxes amassed one of the highest kill ratios amongst all loyalist Legions during the Heresy and was present during the Siege on Terra. Xerxes lead a valiant counter attack repelling a late traitor incursion while his Primarch was onboard Horus' battle barge. He was later entombed within a Contemptor dreadnaught chsssis and is still called upon from time to time present Era.