Get ready to fight the Wither Storm with a diamond sword.
Note: Minify the command to avoid issues :)
The White Pumpkin - A Portal to Mystery
Wither Storm Axe
Minecraft 1.9 Features only one command
Server item 1
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)