In most other RNG based upgrade the chances are already showing, but this old content was never upgraded to show it.
The chances are already datamined, but it would be better if they would shown on the UI to be consistent with the rest of the game.
Install the Black Desert Launcher if the game doesn't start.
The launcher will appear if it's installed.
If it doesn't, try to run your downloaded launcher.
1 Run BlackDesert_Installer_NAEU.exe to install the Black Desert launcher.
2 Start the game once installation is complete.
In most other RNG based upgrade the chances are already showing, but this old content was never upgraded to show it.
The chances are already datamined, but it would be better if they would shown on the UI to be consistent with the rest of the game.