One day in 2025, the earth's material instantly replicated and expanded, doubling the area of land and sea. The new areas were filled with unknown energy and dangerous creatures. The laws of physics were partially rewritten. The new areas contained high concentrations of "source energy", which induced mutations in animals and plants, and gave birth to natural treasures. The old order collapsed: national power was reorganized, ocean routes were interrupted, and resource cities were reduced to isolated islands.
