More genes inspired by this suggestion:  The back sail would be based off of the Spinosaurus and the body plates would be based off of the Stegosaurus. Both would give +2 cold resistance and +2 heat resistance seeing as temperature control is one of the main theories about what the sail/plates were used for. They could also give +1 distasteful appearance if that's not too op because another theory was that the Segosaurus' plates were used to intimidate predators Probably only one of t