6. Kakashi Hatake
Kakashi is the Sixth Hokage of Konohagakure. Kakashi had the Kekkei Genkai ability of Sharingan using which he copied over a thousand jutsu in the past. However, Madara Uchiha took his Sharingan during the Fourth Great Ninja War. He is now one of those Boruto ninjas who have no Kekkei Genkai ability, but he still is one of the strongest shinobi around.
Chōjōrū is another powerful character who is without a Kekkei Genkai ability. Chōjōrū is the Sixth Mizukage of Kirigakure, and also a member of the seven swordsman of the Mist. He has become much stronger after the Fourth Great Ninja War, and has even fought against Kinshiki Ōtsutsuki very well. He is the wielder of Hiramekarei sword. Chojuro is said to be one of the best Swordsmen in the entire world right now, and the best Mizukage in Kiri’s history.