Plain ol' skeles
Note: Minify the command to avoid issues :)
New 3rd Boss! Pretty Hard! Good for ending of Minecraft!
Make armor stands with ARMS! (READ DESCRIPTION!)
"Welcome" Sign in Blue Bold Letters
Crazy Negative Potion!
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)