The BossBar is a very simple mod. It allows you to enable or disable the bossbar.

https://cdn.discordapp.com/attachments/623241134189314079/627250584403181568/unknown.png

For enabling/disabling this mod you have to first enter the Badlion Client Settings. Search the BossBar mod and enable/disable it.

https://cdn.discordapp.com/attachments/623241134189314079/627249998270300161/unknown.png