What is a world…

According to Wikipedia world means a common names for the whole of human civilization…

What makes you think only humans inhibited a planet.There is more than one planet that have multiple inhibitor.

We all have heard about God who have created the world.

We have heard about Destroyer who destroy a world by apocalypse.

We have heard about Hero who is chosen by God to prevent it.

We have heard about Demon Lord spreading chaos

But…

Have we heard about the one chosen by the world itself to keep and make sure everything is in check.

A being whose purpose is to observe and delete anomalies which will harm the world, be it Demon Lord, heroes, destroyers or even Gods themselves.