I don't understand how to play nid

HIt your q on an enemy, press r, w on to them, e them, w again and q to execute

Can u explain which lane? Jungle mid top (support for the trolls ,>,) ?

Do you know runes and masteries? or are u asking play style.

u said nid

i was thinking nidalee and mid

The only thing I know is that she's best very aggressive early game.