Note: Minify the command to avoid issues :)
New Difficulty!....[Nightmare!]In OneCommand Vannila Minecraft 1.8.8
jumpScare In OnlyOneCommand!
Golds And Foods Here!
Troll Kill Sign (Troll Your Friends!)
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)