Combination Transformation

This is an advanced version of the Transformation Technique, where two or more users combine into one form in order to gain that form's physical abilities. Because there is more than one user involved, some of the prep work can be split between users, such as by having one provide the chakra while another performs the hand seals.Naruto chapter 135, pages 15-17
The Combination Transformations that have been seen in the series are:
*The Sound Four take the form of the Fourth Kazekage's bodyguards, with two members in each guard.Naruto chapter 115, pages 4-7
*Gamabunta and Naruto Uzumaki take the form of a giant fox. In the anime, it is specifically the Nine-Tails.
*Kiba Inuzuka and Akamaru take the form of a Double-Headed Wolf.Naruto chapter 203, pages 15-16
**Kiba, Akamaru, and one of Kiba's shadow clones take the form of a Three-Headed Wolf. Because there are three users, it's called a .Naruto chapter 633, page 2
*In the Naruto: Shippūden anime, the Magaki Group takes the form of their leader.Naruto: Shippūden episode 149
*In the Boruto anime, Naruto and Sasuke Uchiha take the form of fūma shuriken.Boruto episode 65
== References ==
es:Transformación Combinada
fr:Métamorphose Combinée
pl:Konbi Henge
pt-br:Transformação Combinada
ru:Комбинированное Превращение