National Destiny: Leading the World from the Sea of ​​Sand

Complete the D-level world to obtain: 10 billion tons of resources, 1 million square kilometers of land area E-level world completion: 20 billion tons of resources, 2 million square kilometers of land area Obtained by completing the B-level world: 40 billion tons of resources, 4 million square kilometers of land area Completing a level A world will obtain: 80 billion tons of resources, 8 million square kilometers of land area Completion of S-level world: 160 billion tons of resources, 16 million square kilometers of land area Players all over the world are choosing D to test the waters. Wen Qin has already chosen level A. But unexpectedly, he discovered that he had entered the world of stolen pens and sand. Only I know the plot! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.