Gensōkettō

Gensōkettō (幻想血統,Phantasmal Pedigree) is the strongest ability available to a Soga who have awakened the Mangekyō Sharingan in both eyes. It is avatar made of the user's chakra and fights on their behalf.

Overview
The Gensōkettō is a spiritual entity born from the individuals, stated to be their primal core brought forth in a physical manifestation. Upon activating the ability, the user gains a unique marking on a part of their body that resembles the form that the entity take upon manifesting. Channeling their energy into the mark the entity will appear near the user. The entity is known to have a name and is able to act on its own and will do so in the benefit of the user. The entity is know to have a unique ability that it can use. Being born from the user, should they run out of chakra it will vanish unique the user recovers.

Versions
Being born from the users Gensōkettō entity differs in appearance and abilities.

Trivia

 * Despite the Susanoo being the ultimate technique of the, the clan the Soga gained the Sharingan and it's evolution the Mangekyō Sharingan. The Gensōkettō is stated to have been born from the effects the Soga's unique heritage on the Sharingan.