"Heaven and earth are not benevolent, and treat all living things as stupid dogs. When heaven and earth are ill, they treat all living beings as medicine."
At the beginning of the Hongmeng period, the clear air rose to become the sky, and the turbid air descended to become the earth. The interaction between heaven and earth generates spiritual energy and nourishes all things. Human beings can practice enlightenment and pursue immortality.
However, if the way of heaven is lacking, a calamity will occur every thirty-six thousand years.
The last great catastrophe was known in history as the "disaster that eroded the world."
The sky cracked, and boundless rusty air rained down from the nine heavens. This energy does not belong to the five elements, does not return to yin and yang, and wherever it passes - the spiritual veins are exhausted, the magic weapons are covered in dust, the skills are distorted, and the monks go crazy.
However, in just a few years, the civilization of cultivating immortals that had flourished for thousands of years collapsed. This was the "Rust Era"