In this world, the mobs have divided into separate empires that have different purposes. You rule the entirety of the overworld as a player, as you do so your secretary barges into the room and announces BAD news.

Mobs that are involved:

Zombies

Ocean mobs (drowneds, squids, fish, turtles, dolphins, elder guardian's, guardians)

Skeletons

Creepers

Endermen

Nether mobs (piglins, hoglins, ghasts, wither skeletons, magma cubes, striders, blaze, herobrine)

Villagers

Villagers are peaceful

Endermen are peaceful (js dont look at their eyes)

Zombies (maybe. depends if ur a zombie too)

Striders are mad peaceful

Mobs certain to kill you if you mess up (start a war for no reason, dont do ur job properly, exploit ur role ike Donald Trump, etc)

Skeletons

Villagers

Ocean mobs

Endermen

Mobs that will kill you for almost no reason

Nether mobs

Herobrine

Creepers