If you are missing a piece or getting an extraction error (like "unexpected end of archive"), check the following:
. It focused heavily on fixing crashes related to the "v1.2.x" series, which introduced major features like weather effects, new formations, and AI improvements. The Repacker (KaOs Krew): Mount.And.Blade.II.Bannerlord.v1.2.9.REPACK-KaOs