How do i do it?

Jump + Special

Another way to do it is foward+heavy attack
I don't know if that is the same thing, but it's some type of fire attack.

Just do sharingan then jump and do speacial when chakra is all the way up .-..

Just do sharingan then make chakra go up then do jump or double jump+ speacial

Alright, so you need to activate sharingan first (down+jutsu). Then (when chakra is full) jump and use jutsu thing.

PS-make sure your not too close nor far from the target

You need to activate sharingan then jump+jutsu

Activat sharingan, and in order to get a good combo, do an attack that takes you into the air, like up, weak attack, weak attackX3, jutsu

I have a realy big question I am in the level that I need tho fight with the ninia with the sand I need to be sasuke I need to tho my jutsu atack at maxium power but how I hope you can read it becouse my englis is very bad

Ok it's really quite simple even though you cannot regenerate chakra in this particular mission you still have to use sharingan (down+special attack) after that you don't need to wait until chakra is full you simply (jump+special attack) easy ! Thats it , hope you understand what I mean.