Chakra Flow: Ultimate Physique

A highly prominent effect achieved when a person channels chakra that is beyond their conventional limits into their own body. In canon it is seen in many examples such as the Version 2 Chakra Mode of Jinchuuriki, the powerful Combination Transformation executed by Kisame when fusing with Samehada, and the drastic physical changes accompanying Obito's transformation into the Ten-Tails Jinchuuriki. All of these characteristics are associated with chakra, and they serve to drastically enhance the user's own physical capabilities. As shown by Obito, sufficient chakra allows one to endure even an Amaterasu-infused Rasenshuriken, a technique said to be capable of shredding molecules themselves.

With this technique, granted that the user has a continuous inflow of chakra, the user may enhance their physical traits to absurd levels, allowing them to accomplish the conventionally impossible. The effects of this technique increase the more there is chakra exceeding the user's own limit. Therefore it is said that people like Kontoru Tsuchigumo can bring this technique to its absolute strongest level, since he has very little reserves.

This technique was developed by Bobu and Kontoru, and subsequently used by all members of Mercs Next Door. This is known to be one of Bobu's signature techniques when he absorbs an absurd amount of chakra from his enemies.