Dai Endan is a Ninjutsu technique utilizing the Fire element. Jiraiya will first gather the fire into his mouth and then spew a giant breath of fire constantly at his opponent
[Katon] Endan - Fireball
Katon Endan is a Ninjutsu technique utilizing the Fire Element. This jutsu allows Jiraiya to emit a jet of fire from his mouth. While not stated, this is probably the same or a similar jutsu to the one Jiraiya uses in conjunction with Gamebunta to do Gamayu Endan.
[Katon] Gamayu Endan - Toad Oil FireballKaton Gamayu Endan is a Ninjutsu technique of the Sannin Jiraiya utilzing the Fire Element. Done in partneship with Gamabunta, Jiraiya will stand atop Gamabunta's head and form the seals for a Katon jutsu. Gamabunta will draw oil within his gullet and then expel a jet of it. When the fire of Jiraiya's katon hits the oil, it ignites into a huge flaming fireball.Naruto also used a variation of this technique in conjunction with Gamabunta. Unfortunately because Naruto could not use Katon at the time, he had to use an explosive note to ignite the oil.
[Katon] Goukakyuu no Jutsu - Great Fireball TechniqueKaton Goukakyuu no Jutsu is a Ninjutsu technique utilizing the Fire Element. The ninja does the necessary hand seals, draws chakra from their mouth into their chest and them immediately exhales it. They then blow a stream of fire which erupts into a large sphere of flames. To better manage the flames the ninja will bring their hand to their mouth to control it.Katon jutsu such as this are seen as a rite of passage into adulthood for Uchiha clan members. Once the member can manipulate fire, they are finally recognized as no longer being a child.
[Katon] Gouryuuka no Jutsu - Great Dragon Fire TechniqueKaton Gouryuuka no Jutsu is a Ninjutsu technique utilizing the Fire Element. After forming the needed hand seals, the ninja will expel dragon head fireballs at their opponent. These powerful fireballs can punch through concrete.
[Katon] Haisekishou - Burning Ash AccumulationKaton Haisekishou is a Ninjutsu technique utilizing the Fire Element. After forming the needed handseals, Asuma will expel an ash from his mouth. This large cloud begin to envelope his foe and when Asuma clicks his teeth, the cloud will ignite in an explosion.
[Katon] Housenka no Jutsu - Mythical Fire Phoenix TechniqueKaton Housenka no Jutsu is a Ninjutsu technique utilizing the Fire Element. The ninja does the necessary hand seals and then emits a series of small fire balls. The ninja can also hurl a projectile which is covered in these same flames. To the opponent the attack appears to be only the balls of flame, they do not see the hidden threat within the flames. Meaning that even if the flames are put out, the projectiles still converge on the target. The flames can be used to cover different projectiles like shuriken or kunai.
[Katon] Karyuudan - Fire Dragon ProjectileKaton Karyuudan is a Ninjutsu technique utilizing the Fire Element. The ninja will do the necessary hand seals and create mud projectiles using the Doryuudan technique. The ninja will then blow a large flame to ignite the mud projectiles.
[Katon] Karyuu Endan - Fire Dragon Flame ProjectileKaton Karyuu Endan is a Ninjutsu technique utilizing the Fire Element. The ninja does a string of hand seals and the proceeds to blow a large jet of fire from their mouth.
[Katon] Kasumi Enbu no Jutsu - Mist Waltz TechniqueKaton Kasumi Enbu no Jutsu is a Ninjutsu technique utilizing the Fire Element. The ninja does a string of hand seals and then proceeds to blow a large combustible mist at the target. When the mist hits flame, it will ignite in an explosion of fire.
[Katon] Ryuuka no Jutsu - Dragon Fire TechniqueKaton Ryuuka no Jutsu is a Ninjutsu technique utilizing the Fire Element. After binding the opponent, the ninja uses a guide wire to unleash a large torrential fire burst onto the target.
This is it for the Katon Jutsus I know some of these are already in the game please give good replies I'm making four more topic for the other four elements.