I've purchased every DLC and game, at release, since the original Total War: Warhammer in May 2016. This is the first DLC I am not buying because the value has completely dropped off.
To me, the series peaked sometime late in TW:WH2's cycle. The third game has been fun in doses, but just hasn't felt the same. It doesn't keep me in "one more turn" mode. The majority of the battles wind up feeling like a chore instead of the highlight reels of your campaign map choices.
Thousands of hours in this series and I'm sad to see CA cap it off with a price gouge. So it goes...