If used online (Invasion or Co-op), yes – this would violate Ubisoft's Code of Conduct. Offline/single-player modding is generally tolerated.

If you're looking into custom DLLs for the game, it's essential to proceed with caution. Custom DLLs can sometimes be used to modify game behavior or add new features, but they can also potentially harm your game or system. Always download such files from trusted sources.

💡 : Always verify the file size. A genuine emp.dll for Watch Dogs: Legion is typically several megabytes. If you download a "fix" that is only a few kilobytes, it is likely a script or malware. Performance and "New" Versions