The combat villager wich give you all things u need
Note: Minify the command to avoid issues :)
MelvinTDM's supplies chest
OP Leggings v1.0
OP Chestplate v1.0
Negative Potion
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)