Contrary to many indie games that hide saves in AppData , uses a slightly different path. If you are trying to back up your own save or inject a downloaded one, you need to go here:
In the world of gaming, especially with action-packed series like Devil May Cry, efficiency, strategy, and exploration are key. Save files, including those for Lady's campaign, serve as tools to deepen engagement with the game's universe, characters, and challenges. As the gaming community continues to evolve, the sharing and use of save files remain a testament to the camaraderie and creativity that define the gaming experience. Pretty Warrior May Cry Save File
/home/deck/.steam/steam/steamapps/compatdata/1345670/pfx/drive_c/users/steamuser/Documents/My Games/PrettyWarriorMayCry/Saved/SaveGames/ Contrary to many indie games that hide saves
Navigate to the SaveGames folder mentioned above. You will see the PWMCSave.sav file. and exploration are key. Save files