At that point you can't even call it karma. It's just damnation. It doesn't matter how hard you try to change or reform, or how much you grow. You always need to be ready to pay any price for any past mistake as many times as it's asked.
Madness string 111481
Theorists also consider the possibility that dark matter also includes gravity leaking into our universe from neighbouring universes. If our universe is on a membrane floating within a higher dimensional space, dark matter may be explained by ordinary stars and galaxies on nearby membrane sheets.