http://www.pcgamer.com/heres-whats-new-in-total-war-warhammer-2s-mortal-empires-reprisal-update-beta/

Creative Assembly has detailed the latest changes coming to The Mortal Empires: Reprisal Update beta, bringing a "host of content changes" from Warhammer 1’s Foundation Update to the Mortal Empires campaign in Warhammer 2.

Changes includes Warriors of Chaos faction design changes, Wood Elf followers, and new skill trees and campaign effects for Old World Legendary Lords, plus there's also five new skill tree skills for Helman Ghorst, Old World characters can grab an immortality skill, and Bordeleaux now begins at war with Mousillon.