Quoted By:
>It's OK when Kanto did it because Gen 1 had an extremely different design philosophy from Gen 2 onward.
>No one at GameFreak expected Pokemon to explode the way it did, and Ghost was originally meant to be an abnormal, unique type for the Gastly line that also made the Pokemon Tower more special.
>Similarly, Dragon was a special type kept secret and reserved for the Dratini line, both to reward heavy explorers (or kids who bought strategy guides) and give general players a moment of shock when they reach Lance, the presumed final boss, who has his own unique type that resists a lot of the common elements they've been suing up to this point.
