Use This In The Boss Fight Fallen King
Note: Minify the command to avoid issues :)
Foxy The Pirate
Boss Fight Helper: Bjorn's Fallen Archers
Flamethrower
Boss Fight Helper: Death Bringer
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)