s
Note: Minify the command to avoid issues :)
FLYING MOBS!!! (Are flying only if you spawn him in the air) (no gravity)
Firefighter's Items in one command
Fish Warrior Mini boss battle (1.8,1.9)
SkeletalMage 1.11.2
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)