Total War: Warhammer is the best total war game since Shogun 2. Battles are a great mix of challenging and pure fun. I spent my entire Empire Campaign on the defensive from endless Vampire Undead armies and greenskin hordes. AI is also a huge improvement over previous installments and will actually pose a challenge for you. Hereos are great additions that add a lot of RPG potential and replayability. Factions are also drastically different from each other. Chaos is completely nomadic while the Empire is very similar to the normal Total War gameplay with some cool confederation mechanics for instance. Overall I think CA really outdid themselves with the game. Definitely lived up to the hype.