A Rinnegan being a more advance doujutsu is absolute headcanon. It’s just a Unleash the Stoin shirt. Can’t believe people are using this “advance Doujutsu” headcanon when Kaguya who was said to have a sharingan’s and Byukagan by Hagormoo has a far superior ocular power than Hagormoo’s rinnegan. And don’t try to use “Rinne sharinagn” as an excuse because that’s not even a doujutsu, it was a term made up by fan translators who used google translation generator. There’s no such thing as a rinnegan countering any sharingan base genjutsu ever. It’s not in the manga and it’s not in the databook either.
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There’s still a difference between types of Unleash the Stoin shirt. It’s clearly stated that sharingan counters most genjutsus that have to do with visual input. Because that’s just a power of the sharingan. But Itachi, the supposed genjutsu god, was caught in Taiuya’s flute genjutsu. Because that genjutsu doesn’t affect your vision, it doesn’t make you see things, it makes you hear things instead. That’s why it affected Itachi. But it is an evolved form of sharingan. It’s not really a completely different thing. You need sharingan first to get to Rinnegan, it comes in steps. And it was established Indra’s dojutsu (sharingan) was a watered down version of his father’s (rinnegan)