Of course, that means you’ll have to actually own the DLC factions to use them but at the very least you’ll be able to play with Bretonnia’s, since they’re a free faction themselves. Those 30 Regiments will be spread across the five factions who don’t currently have any: Beastmen, Wood Elves, Chaos, Bretonnia, and the upcoming Norsca. It’ll come out alongside the (paid, unless you pre-ordered Warhammer 2) Norsca DLC on 10 August.
The 30th Creative Assembly anniversary gift trailed the other day is free DLC featuring 30 Regiments of Renown for Total War: Warhammer.