You can bring your old level 99 Paladin from the original game into Diablo II: Resurrected for offline play: Copy your old file from the Classic save folder. Paste it into the Saved Games\Diablo II Resurrected
To use a downloaded save file or back up your own, you must know where the game hides them. diablo 2 paladin save file
To get the most out of your Paladin character, it's essential to optimize their performance. Here are some tips and tricks: You can bring your old level 99 Paladin