Alduin from The Elder Scrolls
(Will not work in 1.9 and above)
Note: Minify the command to avoid issues :)
Torch (???)
Boss Enchanted Book
Alduin the World Eater
Glass Sword
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)