Ensure you are running the latest version to avoid "Version Mismatch" errors.
Look for a menu tab labeled "Combat," "Main," or "Auto-Farm" to enable the Kill All Mobs feature. How to Use with Fluxus (Android/PC) *FE* Kill All Mobs Script | Hydrogen and Fluxus
Never use scripts on an account you’ve spent money on. Ban waves are common. Ensure you are running the latest version to
Paste the script into the Editor tab and hit the Play/Execute button. *FE* Kill All Mobs Script | Hydrogen and Fluxus