Dante's divine comedy?

If you were to write an epic of similar proportions, how would you describe sin and its consequences? What would be your concept of reward and punishment? Feel free to refer to other faith traditions (Hindu concept of Karma, for example, or the Hebrew concept of rex taliones (eye for eye), or the Christian concept of forgiveness ( (Matthew: Chapter 7, Verse 1 which declares, "Judge not, lest ye be judged”); or describe a secular/philosophical solution to deal with those who break various laws