>>55142466>>55142474In both of these cases, they're modeled because it's possible in normal gameplay to see Gardevoir's legs and ass or Hattrene's actual little body inside her hair gown by angling the camera or having them do certain animations; in Crustle's case, there is no normal means that you would be able to see the chunk of it's body that's embedded in the rock. Modelling something people would never see just costs more time, money, and rendering power than it's worth.