There is no official CODECX v1.28.00 update . Most repackers bypassed v1.28 entirely because it did not add content (weapons/missions). It was purely a stability fix that broke the existing crack files.
If you have the base CODECX release (v1.25 or v1.26) and try to apply a vanilla Steam v1.28.00 patch, the game will crash on launch because the .exe is re-encrypted with Denuvo. nioh 2 complete edition update v1 28 00codex work
Historically, the initial CODECX release of Nioh 2 Complete Edition was based on or v1.26.00 . The group did not officially release a standalone v1.28.00 update installer due to Denuvo’s anti-tamper triggers. There is no official CODECX v1