The most popular and reliable tool for this task is the Diablo 1 Character Editor (often referred to as Duncan's Editor). Here is a comprehensive guide on how to install and use a Diablo 1 save editor safely. Step 1: Download a Compatible Save Editor

: Close the game entirely. Run the editor, open your save file, "Cache" or "Apply" your changes, and then save the file. Important Precautions

: Download the pack (often bundled with item files), run the installer, and open the .exe .

Diablo 1 single-player save files generally use the naming convention single_0.sv (for your first character slot), single_1.sv , and so on. Multi-player characters often use the .cha extension. Common File Paths:

Standard editors will not work properly with the Hellfire expansion or the modern DevilutionX source port. DevilutionX saves use a .sv format but feature different data structures; you will need specialized web-based editors or specific DevilutionX tools to modify those characters.

Only modify the stats you absolutely need to change. Conclusion

Overwrite the original .sv file in your active game directory. 5. Troubleshooting Common Issues "File is Corrupt" Error

This is a Windows permissions issue. To solve it, navigate to your game folder, right-click it, select Properties , then the Security tab. Give your user account "Full control" over the folder. Alternatively, try right-clicking the editor and running it "as administrator" .

For users who want batch editing:

For this guide, we will focus on installing a standard desktop save editor, which is the most common tool requested by players. Step 1: Backup Your Original Saves