There are countless small worlds on the verge of collapse. The core reason is that the "original villain"'s blackening value exceeds the standard, causing the world's energy imbalance.
The Redemption Department is responsible for sending raiders into the small world to save the world by repairing the villain's emotional vulnerabilities, reducing the blackening value
Each small world has an independent time flow rate (1 day in the main god space = 1 year in the small world)