Boss Mob X (X means Unkillable)
Note: Minify the command to avoid issues :)
Missingno Pickaxe
Upside Down CustomShop {NOT a villager!
what the what
Old Man's Sickle
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)