The easiest way to fight the boss is to use a map that is imported during the installation of the mod. Take weapons and armor from the chest and then click on one of the buttons.
How To Install Mod?
- Download a mod with the extension .mcaddon
- Then find it and run, thus importing into the game
- Open the game and go to the settings of the world
- In the “Resource Packs” and “Behavior Packs”, select the imported resource packages (addon)