![I just found out that apparently in gen 1, psychic types were IMMUNE to ghost types rather than weak to them. So with that said...can someone please explain to me why a I just found out that apparently in gen 1, psychic types were IMMUNE to ghost types rather than weak to them. So with that said...can someone please explain to me why a](https://preview.redd.it/51396oa7ve451.jpg?auto=webp&s=1dd29b99ac08f05c51422aeb791e6b385384dde0)
I just found out that apparently in gen 1, psychic types were IMMUNE to ghost types rather than weak to them. So with that said...can someone please explain to me why a
![Pokémon Scarlet and Violet Alfornada Gym, including how to beat Psychic Gym Leader Tulip and ESP battles | Eurogamer.net Pokémon Scarlet and Violet Alfornada Gym, including how to beat Psychic Gym Leader Tulip and ESP battles | Eurogamer.net](https://assets.reedpopcdn.com/How-to-beat-Psychic-Gym-Leader-Tulip-in-Pok%C3%A9mon-Scarlet-and-Violet-1.jpg/BROK/resize/1200x1200%3E/format/jpg/quality/70/How-to-beat-Psychic-Gym-Leader-Tulip-in-Pok%C3%A9mon-Scarlet-and-Violet-1.jpg)
Pokémon Scarlet and Violet Alfornada Gym, including how to beat Psychic Gym Leader Tulip and ESP battles | Eurogamer.net
![Pokemon Type Chart - Strengths, Weaknesses, Effectiveness - Pokemon Diamond, Pearl and Platinum Wiki Guide - IGN Pokemon Type Chart - Strengths, Weaknesses, Effectiveness - Pokemon Diamond, Pearl and Platinum Wiki Guide - IGN](https://oyster.ignimgs.com/mediawiki/apis.ign.com/pokemon-diamond-version/a/ad/Gen_six_type_chart.png)