- Disc Riders of Tzeentch. - One of the few Thousand Sons who did not get sealed in armour. - They can cast the Befoul spell that weakens and corrupts lesser structures, to destroy them with ease. - Their magical discs provide fast movement, and the ability to jump over impassable terrain. - The discs also offer better protection, and increased accuracy while moving. - Effective against most Infantry types, also good against light-armoured Vehicles and Buildings in melee.