Thank's to:
- Madara Tube
- Daniel Ziro

(I recommend you to also use wallrun mod that I already uploaded in gtainside, it'll make you easier to climb and stay at the high building and structures)

Activate it from cleo menu and press X to change into Itachi. Press 6+7 to go back to X and press 1+7 to deactive this mod.

Edo Yasaka Magatama:
4+9 (Itachi must stand very close to ped)
PS: Don't use it if there is a roof or object above you that probably blocking Magatama movement or Magatama will stuck and you need to load the game.

Chakra Dash:
2+4 (Dash Forward)
2+6 (Dash Backward)

Katon:
5+7
PS: You can also use it while riding the bird.

Amaterasu:
6+8

Explosive Clon:
1+4 (Running Clon)
6+9 (Walking Clon)

Katon Air:
4+8
PS: You can also use it while riding the bird.

King Fisher Combo:
4+7 (Do it near ped but not too close, make sure Itachi first move hit the ped)

Itachi Jump: Jump first and than press touch point 8, press touch point 7 to make Itachi jump shorter. When Itachi is jumping or gliding after the jump, widgets will appear, just press it to make Itachi moves in air.

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Itachi Combos:
(You must keep Holding touch point 1 while tapping other touch point, and you must do it very close to the ped)

Basic Combo: Hold touch point 1 and then keep tapping touch point 7 until Itachi use Katon Jutsu.

Swallow Combo: Hold touch point 1, tap touch point 7 twice (Make sure Itachi's second move hit the ped) and then keep tapping touch point 8 until the ped throwed to the air.

Susanoo Finisher Combo: Hold touch point 1, tap touch point 7 twice (Make sure Itachi's second move hit the ped) and then keep tapping touch point 8 until Susanoo appear.

Clon Combo: Hold touch point 1, tap touch point 7 third times (Make sure Itachi low kick hit the ped) and soon after that go tapping 6 until Itachi slash the ped with kunai.

It's all about timing, use this combos often to find the perfect timing and find other possibility you can do with these combos, after you mastered the timing you can even combining these combos with jutsu
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Bird Kuchiyose:
5+9 (X, Brake, and Accelerate widget will appear, use X to despawn the bird)
you can also use Katon and Katon Air Jutsu while riding the bird.

Susanoo:
7+9 (Go into Susanoo mode, use 7+9 to back to normal mode)

Susanoo Sword Combo: Hold touch point 1 and then keep tapping touch point 7 until Susanoo released Katon.

Magatama Throw (In Susanoo Mode): 1+6

Extra Sword Move (In Susanoo Mode): 1+9

Extra Attack (In Susanoo Mode): 1+8