Took me 8 hours to make, have fun...
Note: Minify the command to avoid issues :)
Too Much TNT Mod
TROLL FACE ARMOR, AND MOB EGG
Grim the Golem pet
More Mobs Mod
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)