Ok Guys, So this is how Ninja Saga calculate Ninjutsu damage and Cp use. You just have to know the jutsu level. 

1. Wind

* Damage --> 8 x ( Ninjutsu level + 1 )
* Cp --> 8 x ( Ninjutsu level + 2 )
* Cooldown --> 8 ( Except Evasion, Wind peace, And Dance
of fujin )

2. Water

* Damage --> 9 x ( Ninjutsu level + 1 )
* Cp --> 10 x ( Ninjutsu Level + 2 )
* Cooldown --> 10


3. Earth

* Damage --> 10 x ( Ninjutsu level + 1 )
* Cp --> 10 x ( Ninjutsu Level + 2 )
* Cooldown --> 10


4. Thunder

* Damage --> 11 x ( Ninjutsu level + 1 )
* Cp --> 11 x ( Ninjutsu Level + 2 )
* Cooldown --> 10

5. Fire

* Damage --> 12 x ( Ninjutsu level + 1 )
* Cp --> 10 x ( Ninjutsu Level + 2 )
* Cooldown --> 10