"Limiting retributivists" believe that the vagueness of retributive proportionality represents a moral opportunity. They maintain that the state can permissibly harm an offender for the sake ofcrime prevention and other nonretributive goods, so long as the sentence resides within the broad range of retributively "not undeserved" punishments. However, in this essay, I argue that retributivism can justy only the least harmful sentence within such a range. To impose a sentence beyond this minimum would be cruel from a retributive perspective. It would harm an offender to a greater degree without thereby increasing the realization of our retributivist ends. Thus, if our nonretributive policy aims required a harsher sentence, the offender's retr...