I mean Total War isn't that complicated you'll get it You're only on turn 9 of your first game. In Total War: Warhammer and its sequels, they are Lords (a type of character unit) who are playable in the campaign, multiplayer and custom battles.
Assembly Kit Workarounds for Known Issues Campaign processing starts Game/Mod Manager.
This is normal behavior to create the campaign startpos esf file, the Assembly Kit needs to access game code the game will stop after processing is finished. Total war warhammer 2 assembly kit tutorial Total War Warhammer Assembly Kit Tutorial