Notch Boss Battle (Almost impossible to kill ALMOST)
Note: Minify the command to avoid issues :)
Diamond Block Of DOOM!!!
Notch has added a new mob to minecraft:Dragon
Notch has added a new mob to minecraft:Penguin
TNT CUBE!
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)