Try to defeat this boss. Gives you OPNESS when you kill it!
Note: Minify the command to avoid issues :)
Skeleton King Boss Battle 2.0
Hero brine's Haunt Letter
Skeleton King Boss Battle
Lucky Potion 1.8.1
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)