d
Note: Minify the command to avoid issues :)
Mobs with special abilites! only ONE command! 1.8.7 (Read The comments! )
Fish Warrior Mini boss battle (1.8,1.9)
Guardian Family (1.9.1)
More blocks in ONE command
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)