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
Telling people to 'conserve energy' is like telling them to make time go forward. Time always goes forward, and energy is always conserved.