The Rinne Sharingan is one of the most powerful dojutsu (eye techniques) in the Naruto universe. It is exclusively wielded by Kaguya Otsutsuki and her clan. The Rinne Sharingan grants the user tremendous power, allowing them to cast incredibly powerful genjutsu and ninjutsu. Determining the strongest Rinne Sharingan user requires analyzing the capabilities of those known to have possessed this fearsome dojutsu.
Kaguya Otsutsuki is regarded as the first person in history to awaken the Rinne Sharingan. She possessed the dojutsu long before it appeared in anyone else. As the matriarch of the Otsutsuki clan, Kaguya ate the fruit of the God Tree and was the first to gain chakra on Earth. This allowed her to awaken the incredibly rare Rinne Sharingan.
With the Rinne Sharingan, Kaguya became extremely powerful. She was able to cast the Infinite Tsukuyomi, a powerful genjutsu that allowed her to trap the entire world in an illusion. Kaguya could also utilize incredibly destructive ninjutsu, such as her All-Killing Ash Bones technique that could disintegrate anything it touched. She was regarded as a goddess because of her tremendous power.
Even after being defeated and sealed away, Kaguya’s power was immense. When she was briefly resurrected during the Fourth Great Ninja War, Kaguya displayed the ability to open portals to different dimensions, teleport herself and others, and shape her chakra into extremely lethal weapons. She could fly, phase through attacks, and had near-instant regeneration, making her difficult to damage.
As the first Rinne Sharingan user with centuries to hone her skills, Kaguya Otsutsuki established herself as an incredibly formidable opponent. Her mastery over the dojutsu was immense, allowing her to utilize it to its full deadly potential in battle.
Hagoromo Otsutsuki, also known as the Sage of Six Paths, inherited a Rinne Sharingan from his mother Kaguya. However, unlike Kaguya’s third eye Rinne Sharingan, Hagoromo possessed the dojutsu on the palm of his hand.
With the Rinne Sharingan, Hagoromo became immensely powerful. He helped defeat and seal away his mother alongside his brother Hamura. Hagoromo later went on to become revered as a god himself due to his incredible abilities.
The Sage of Six Paths wielded the power of chakra like no one before him. He was regarded as the first jinchuriki, having sealed the Ten-Tails inside himself. This granted him access to massive chakra reserves and powerful abilities through the Ten-Tails. Hagoromo could utilize all elemental nature transformations, fly, and was so powerful that even his chakra fragments could end the Fourth Great Ninja War centuries after his death.
However, Hagoromo’s Rinne Sharingan was not as potent as Kaguya’s. He could not cast the Infinite Tsukuyomi genjutsu like his mother could. He also relied more heavily on his Six Paths Sage abilities granted by the Ten-Tails, rather than the raw power of the Rinne Sharingan itself. Nevertheless, Hagoromo stands out as one of the most skilled users of this dojutsu in history.
Madara Uchiha awakened his Rinne Sharingan after implanting DNA from Hashirama Senju. This awakened the Rinne Sharingan in Madara’s left eye.
The Rinne Sharingan granted Madara a significant boost in power. With it, he could cast the Infinite Tsukuyomi and trap nearly the entire world in a dream-like genjutsu. Madara could also utilize Limbo: Border Jail, creating invisible clones that could fight on his behalf.
In addition to his Rinne Sharingan abilities, Madara possessed his own impressive skills like Susanoo and fire-style ninjutsu. After absorbing the Ten-Tails to become its jinchuriki, he gained even greater chakra reserves and power. He could regenerate from fatal injuries, fly, and shape Truth-Seeking Balls from his chakra.
However, Madara’s inexperience with the Rinne Sharingan made him less efficient with it compared to Kaguya or Hagoromo. He often relied more on his Uchiha abilities like his Mangekyo Sharingan and Rinnegan. Madara also underestimated the risk of the Ten-Tails’ power, which led to him being betrayed in the end. His overconfidence worked against him.
Nonetheless, wielding both the Rinne Sharingan and Rinnegan simultaneously gave Madara access to some of the most fearsome abilities in the series. Before being betrayed, he established himself as one of the most dangerous shinobi and powerful Rinne Sharingan users in history.
Obito Uchiha gained possession of Madara’s Rinne Sharingan after the elder Uchiha’s death. The eye was implanted in Obito’s left eye socket, giving him access to the Rinne Sharingan’s powers.
With the Rinne Sharingan, Obito could utilize powerful dojutsu abilities like Limbo: Border Jail. He could create clones that attacked and interfered with his enemies invisibly. Obito was also able to resurrect Madara through the Samsara of Heavenly Life Technique.
However, Obito’s use of the Rinne Sharingan was limited. He focused more on utilizing his Mangekyo Sharingan and the Six Paths abilities granted by being the Ten-Tails’ jinchuriki. Obito did not display mastery of the Rinne Sharingan to the extent of Kaguya or Madara.
Obito’s possession of the Rinne Sharingan was temporary as well. After becoming the Ten-Tails’ jinchuriki, Obito expelled the dojutsu to fully absorb the beast. This cost him access to the Rinne Sharingan’s powers.
While a powerful shinobi in his own right, Obito Uchiha’s limited access to the Rinne Sharingan prevented him from mastering it to its full potential in comparison to other users.
Sasuke Uchiha gained his Rinne Sharingan after receiving half of Hagoromo’s chakra and the Yin Seal from Obito. His Rinne Sharingan manifested in his left eye.
The Rinne Sharingan granted Sasuke impressive space-time ninjutsu powers. He could teleport himself and others across long distances, travel between dimensions, and open portals through space. This gave him tremendous mobility and evasion abilities.
Sasuke could use his Rinne Sharingan to cast powerful genjutsu on targets, though not on the scale of Infinite Tsukuyomi. He was also able to remotely view locations far away or in different dimensions through his Rinne Sharingan.
However, like Obito, Sasuke did not fully master the Rinne Sharingan. He relied more often on his Rinnegan and Mangekyo Sharingan abilities in battle. Due to this, his skill with the Rinne Sharingan was not on the level of Madara, Hagoromo or Kaguya.
Nonetheless, Sasuke Uchiha stands out as one of the only people capable of awakening the Rinne Sharingan through his own efforts. His spatial abilities granted by the dojutsu were extremely useful, cementing him as a powerful shinobi.
Kaguya Otsutsuki is considered the strongest known Rinne Sharingan user in the Naruto series.
As the originator of the dojutsu and the one who possessed it the longest, Kaguya demonstrated the most powerful and refined abilities with her Rinne Sharingan. She could cast extremely lethal ninjutsu, summon massive chakra constructs, and trap the world in the Infinite Tsukuyomi genjutsu.
Hagoromo Otsutsuki also stands above the rest as one of the most skilled Rinne Sharingan wielders, though he did not match Kaguya’s raw power. Madara Uchiha, Obito Uchiha and Sasuke Uchiha wielded the Rinne Sharingan briefly but relied more on other abilities in battle.
In the end, no other known Rinne Sharingan user has equaled Kaguya in terms of mastery and sheer potency when utilizing the dojutsu’s tremendous power. Her centuries of experience and honed skills cemented Kaguya as the strongest Rinne Sharingan wielder introduced in the Naruto series thus far.