The OP Boss for 1.8.X
Note: Minify the command to avoid issues :)
The Killer Sword By FlashBatMan
The Skeleton Boss [1.8]
Flash`s Potion
Magic Book By FlashBatMan
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)