Here is the PVP zone where you can fight other ninja just for the sake of fighting.
Here are the rules:
- NO GODMODDING
- No killing
- No fighting Ninja 2 levels lower then you ( I.e Jonin => Genin)
- No Complaining if you lose
- No Loitering
Other then those rules you are allowed to fight whenever you want , just make sure you don't wreak the place
Corncerning Jutsus , you must have the correct rank to use certain jutsu:
Here is a list of Jutsus so you can check what you can use as well as descriptions:
Currenly writing a Senario so I may not answer you.