This will summon in a cool WitherDragon!
Note: Minify the command to avoid issues :)
Sword of the other factors
Indestructible Zombie!
Good but also Bad Potion
Golem Spawner...
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)