It's not the command of IJAMinecraft
Note: Minify the command to avoid issues :)
Herobrine in one command
The biggest cube of TNT (WARNING LAG!)
Spawn marionette (FNAF) in minecraft
Hacked Villager
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)