It sounds like you’re referring to a file named — likely a custom game client (possibly for a private server of RuneScape , Minecraft , or another Java-based game). Since that exact filename isn’t a standard public release, I’ll prepare a solid, general-purpose safety and usage guide for handling any unknown or unofficial .jar client file named similarly.

Thus, ravenbsclient189jar is belonging to a project codenamed "Raven," specifically tied to a build server or backend service.

The file ravenbsclient189jar is a classic example of the gray area in open-source and modding communities: a potentially useful tool that demands rigorous scrutiny. Based on available evidence, it is most likely a Minecraft 1.8.9 utility client (Raven BS edition), but users must remain vigilant.

: Subtlety and "undetectability" on popular servers like Hypixel. Features and Functionality

: .jar file, typically loaded as a Forge mod or through specialized injectors.

after the original projects were discontinued or hit with DMCA takedowns. Key Features & Functionality Forge-Based Mod : It is distributed as a file that you place into your .minecraft/mods folder after installing Minecraft Forge 1.8.9 The "Ghost" Element

java -jar ravenbsclient189jar --server 192.168.1.100 --port 8443