It is said that one who possesses the Rinnegan can use all types of jutsus with ease, does that mean it can use all the kinds of dojutsus (Byakugan, Sharingan) and kekkei-genkai if welded to the fullest extent, or does it exclude them.
If SO6P could overpower the jyuubi and control it, he should have used the sharingan techniques, btw he was able to use most of the techniques used by the ninjas at present.
Trivia: Jiraiya said that Nagato learned every jutsu when he was ten years old, does that also exclude kekkei-genkai. But he could not use it to the fullest extent.
Above all, the most advanced and ultimate evolved form of every dojutsu is the rinnegan.
kekke genkai is blood related technique, it cannot be copied and mastered by anyone else even kakashi of the sharingan cannot do it....
though i believe that rinnegan is powerful but it is not the only powerful or most powerful technique besides as i said based from the manga,...all techniques are dependent on the wielder/caster....the stronger the caster, the stronger the technique...
Kekkei genkai (血継限界; Literally meaning "a technique limited to inheritance by blood" or "Bloodline Limit") are abilities passed down genetically in specific clans. It's possible for a ninja to have more than one of these abilities. Kekkei genkai abilities that work via the user's eye are called dōjutsu. Other kekkei genkai include mixing one type of elemental chakra with another, creating a new one unique to the users, which is usually impossible for normal ninja.
Kekkei genkai and their related techniques cannot be taught to or copied by others. However, kekkei genkai can be given to others. Dōjutsu, or other kekkei genkai isolated to a single organ, can be transplanted into the body of another, as was done with transferring Obito's Sharingan to Kakashi. Use of these organs requires much more chakra than someone born with the kekkei genkai. Chakra elements can also be passed down to people outside of the clan, such as Yamato being subjected to DNA re-modification by Orochimaru who wanted to acquire the Wood Release kekkei genkai. However, Yamato's skill in using it is not nearly as powerful as the originator: Hashirama Senju, and the risk of such process was that Yamato was the only one of the sixty test subjects to survive.[1][2]
Although kekkei genkai are usually genetically shared within a specific clan, sometimes it is unique to one person alone, and that even family relatives do not share it, such as the Wood Release and Shikotsumyaku. Yet other kekkei genkai seem to appear in individuals with no known relation, such as the Lava Release, which has appeared in ninja from Kirigakure, Iwagakure, and Kumogakure, while Magnet Release, which has appeared in ninja from both Kumogakure and Sunagakure.
There is an advanced variant of kekkei genkai known as kekkei tōta.
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