https://www.technicpack.net/modpack/the-herobrine-official.808594
Note: Minify the command to avoid issues :)
Herobreine mob
gun dead
boomnukemega4343SimusWill
chest goldnegold
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)