Spawn in Agathia the Friendly Creeper.
Note: Minify the command to avoid issues :)
Fried Arm
add Gizzy Gazza's Head in Minecraft
Saturation Potion
Get Giant Slimes
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)