The tool will prompt you to select the . For most GMS-based private servers, choose "GMS" or "BMS." 3. Making Edits

If you’ve ever delved into the world of Maplestory private server development or client modding, you’ve likely encountered the term . These files are the lifeblood of the game, containing everything from mob stats and item descriptions to the background music (BGM) and map layouts. To open and edit these files, you need a specialized tool, and HarePacker 35 remains the gold standard for many developers.

In this guide, we’ll explore what HarePacker 35 is, why it’s preferred over other versions, and how to use it effectively. What is HarePacker 35?

If you are editing hundreds of items, use the XML Dump feature. Edit the XML in a text editor like VS Code or Notepad++, then "Import XML" back into HarePacker. Conclusion

Once the file is loaded, you can expand the nodes. For example, if you want to change the attack power of a weapon: Open Item.wz . Navigate to the specific Item ID. Find the incPAD (Increase Physical Attack) node. Double-click the value, change it, and press Enter. 4. Saving Your Work