The Archaon's Horde

Units of Chaos Warriors and Chaos Knights upgraded to Chosen become Special choices as listed below - this means that multiple units of Chosen may be taken.
- Archon's Horde armies may not include Daemons or Beasts of Chaos.
- Any army chosen from this list may only have one type of Mark other than the Mark of Chaos Undivided. This is because the worshippers of each Chaos Power have gathered together into separate armies dedicated to each of the Ruinous Powers.
- A unit of Marauders of Chaos numbering 25 or more models may upgrade models to Standard Bearer, Musician and Champion free of charge.
- A unit of Warriors of Chaos numbering 16 or more models may upgrade models to Standard Bearer, Musician and Champion free of charge.