What happens when the greatest adventurer alive becomes a God by mistake?

He develops the land, build cities, erects mountains, but first of all he creates the greatest dungeon ever just to be left alone.

__________________________________________________________________________________________

English is not my first language, so please don't be to rude if I make mistakes.

I'm writing this story in English, mainly to improve my English, and also to have a bigger audience. So if you spot any mistake or even just some sentence that sounds strange to a native speaker, please point it out and I'll edit the chapter.