A pigman holding nothing, still will attack if provoked.
Note: Minify the command to avoid issues :)
The Chestplate of the Warrior V3
Boss1
The Blade of One Thousand Suns V2
The Chestplate of the Warrior V4
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)