Determining the "strongest" Mangekyou Sharingan is subjective and depends on various factors, including the specific abilities and the user's skill. However, some Uchiha stand out for their powerful Mangekyou Sharingan.
Notable Uchiha with Powerful Mangekyou Sharingan:
- Sasuke Uchiha: Possesses the Rinnegan, which surpasses the Mangekyou Sharingan in power and grants him access to a wide range of abilities.
- Madara Uchiha: His Mangekyou Sharingan grants him eternal Mangekyou Sharingan and the Susanoo, which is considered one of the most powerful techniques in the series. He also possesses the Rinnegan.
- Itachi Uchiha: Known for his Tsukuyomi and Amaterasu, both powerful genjutsu and fire release techniques.
- Shisui Uchiha: Renowned for his Kotoamatsukami, a genjutsu that allows him to manipulate the target's actions without them being aware of it.
Ultimately, the strength of the Mangekyou Sharingan depends on the user's skill and the specific abilities they unlock. While some Uchiha have powerful abilities, the Rinnegan possessed by Sasuke and Madara is arguably the strongest Mangekyou Sharingan-derived ability.