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Note: Minify the command to avoid issues :)
Griefing Items in 1 command 1.8.7 (Read the comments!)
Zombie Herobrine Boss (2 COMMANDS)
Hostile Archer (1.9.1)
A VILLAGER
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)