A OP Zombie with a Herobrine head.
Note: Minify the command to avoid issues :)
THE AWESOME POTION!!!
Special Villiger
Enderman-Skeleton
Unlucky Potion (NO LUCKY BLOCK NEEDED =])
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)