It dose not always work and am gonna find out why!!!!
Note: Minify the command to avoid issues :)
HEALTH BOOST 10 (not absorbation!!)
HOLY CRAP
EPIC BOSS SPAWNER
OP Chest version:1
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)