Um, They are seperated, try to make the best of it or something!
Note: Minify the command to avoid issues :)
Blok The Block
FLYING SHULKER!
Automatic Aggressive (And Passive) Mob Killer! Another One Command Creation!
Quicker Quiver Boss!
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)