The save file location for The Bard's Tale (2004) varies depending on your device.
Android
Internal or external Storage: %STORAGE_PARTITION%/Android/data/com.inxile.BardTale/files/SavedGames/
iOS
Only accessible with iExplorer or other third-party apps: Apps/Bard's Tale/Documents/SavedGames
Windows
%APPDATA%\Local\inXile entertainment\The Bard's Tale\Saved Games
macOS/OS X
Mac App Store: ~/Library/Containers/com.inxile.BardTaleOSX/Data/Library/Application Support/The Bard's Tale/SavedGames
All other stores: ~/Library/Application Support/The Bard's Tale/SavedGames
Linux
Depends on distro, but often one of the following:
$XDG_DATA_HOME/data/BardTale/SavedGames
~/.local/share/data/BardTale/SavedGames