Version 5.8.x is an older release (pre-Season 12/13). If you are looking for specific patch notes for that era, you can check the Hero Siege News archive on Steam.
The Hero Siege Steam Community Guides contain extensive "useful papers" on character builds, seasonal mechanics, and crafting. Hero.Siege.v5.8.5.0.rar
The official wiki provides detailed data on items, classes, and patches. Version 5
Downloading .rar files from untrusted sources posing as "useful papers" or game cracks carries a high risk of malware. Always use official platforms like Steam to access game files. The official wiki provides detailed data on items,
The name "Hero.Siege.v5.8.5.0.rar" typically refers to a compressed archive containing a specific version of the game or a related modification. However, searching for this specific filename often leads to unofficial or piracy-related sites.
If "useful paper" refers to a for that version of the game, here are the most reliable places to find official and community-verified information: