Ever since the start of civilization, humanity from various backgrounds had grown exponentially. The nature-bending Elementals, wand-wielding Wizards, dominators of the seas like Merfolks and Fishmen, the sky king Angels, and many more grew and fought each other for dominance.
Day after day, week after week, months, years, even centuries. No place on the planet that hadn't been touched. All places witnessed the growth of such civilization.
However, the age of science, technology, and industry soon came to prominence. People slowly turned away from their power to machines. A new age of human civilization had begun.