I Rely on Time and Space to Build a Country

(Time travel + founding of the country + cultivation + science fiction, from low-key development to tough world, the whole process is high-energy!) One person raised refugees from three dynasties. I summoned a floating fairy island in the center of the Pacific Ocean and built a country on the spot. Retired soldier Lin Feng relied on a mysterious copper coin to travel through the Tang, Song and Ming dynasties and took in thousands of refugees. While all the countries on earth are watching this sudden "ghost island", he has quietly built a three-level fairyland to train troops, build troops, and develop technology. However, the real crisis has just begun - alien warships are approaching, and powerful cultivation enemies are coming across the border. Lin Feng held the copper coin, held the spiritual sword, led the torrent of steel and the army of cultivators, and smiled calmly at the enemies in the sky: "This island, this country, this earth - I will protect it."