Back in the mists of time of the 1st edition of Age of Sigmar, Disciples of Tzeentch was actually the first god centric book to come out that encompassed all of the mortal and demonic units for said god. Now, in 3rd edition, we're appropriately onto the 3rd version of the Changer of Ways favorite army. So, what's changed in the lore and rules for everyone's favorite technicolored army?