You're looking for information on the Mastadex Hero Editor!
Item Integrity: Be cautious when adding "impossible" stats to items, as some game engines may crash if an item exceeds its internal data limits. Getting Started mastadex hero editor
Progression Shortcuts: Instantly unlock all waypoints and mark specific quests as completed. You're looking for information on the Mastadex Hero Editor
Mastadex Hero Editor is the best save editor for Diablo II: Resurrected offline players. It’s powerful, easy to use, and actively maintained. While it lacks a graphic item preview and has a few documentation gaps, it outperforms all legacy tools for D2R. easy to use
Getting Started with Mastadex Hero Editor
The tool provides a comprehensive suite of editing options for your .d2s character files: