An OP wither riding an ender dragon
Note: Minify the command to avoid issues :)
Super Unlucky Potion that will kill you!
Weird OP? Chest
Mystery Good Bad Potion
EnderDragon jockey
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)