They made a lot of changes for TWW2 based on what they learned from the first game. It also seems to have been a case of Gone Horribly Right.Development Hell: The reason for Norsca's long delay for Mortal Empires and the delay for both DLC and FLC was due to not only the team being spread thin as a result of CA having several projects going on at once (such as Thrones of Britannia: A Total War Saga and Total War: Three Kingdoms), but also because they overestimated their ability to get it done early, as regretfully explained in the official blog post.
