Earth

I did this for fun..... Pls don't be harsh
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Due to tempest massive growth and their hunger for knowledge made them one of the strongest super countries to ever exist.

Now millions of years later the Tempest Federation has become a type 2 civilization as they can harness the power of the sun and being able to achieve faster than light travel

(note: this is my first fanfic of Rimuru and this will not be focused on rimuru. This story will focus on his descendants(idk))