Gods

"Enter the Hyperbolic Time Chamber to train?" Kami pondered. The Hyperbolic Time Chamber had food, water, and rooms in abundance. The air was thin, the heat stifling, and the temperature ranged from fifty degrees Celsius to minus forty. Its gravity was ten times normal, yet it contained a space as vast as Earth. People with weak wills or unfocused minds were prone to hallucinations inside. More remarkably, one year inside was equivalent to only one day outside.