Use it on manual backup saves, not on Steam Cloud autosaves.
Setting stats to impossible numbers (e.g., negative values) frequently causes the game to crash or reset the save. like Minerva with your Nimin save? Nimin Save Editor - Az Rock Radio nimin save editor
A: Absolutely. Because the tool requires low-level file access, malicious versions are common. Always scan downloads. Use it on manual backup saves, not on Steam Cloud autosaves