A boss weaker then ED or WB.I'll edit this soon if it doesn't work.
Achtung: Minifiziere den Command um Probleme zu vermeiden :)
It's time to see his head!
Little boss
Very very cool slime block...
Blade Of Death
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)