The Codex version allows injection of "stolen" animations from WWE 2K20 and 2K22 back into the 2K19 engine. You can have current finishers like the Blade Runner , Hidden Blade , or Stormbreaker in a game released in 2018.
Before 2021, you needed multiple tools. Now, (by Aznable) is the gold standard. It allows you to inject 3D models directly into the game’s .pac archives. You can port models from WWE 2K20, 2K22, or even Fight Forever into 2K19 ’s engine if you know how to convert them. wwe 2k19 codex modding