So by maxing out javelin toss and primal surge as quickly as possible I can do much more damage early game and harass anyone with ease will still having plenty of survivability. The cougar is most useful later in game so i hold off on even getting that. Just use her passive to your advantage and hit your javelins from the bushes. Later in team fights, I stay on the outskirts tossing in javelins at squishier enemies and healing my teammates, until the other team starts to get less than half health. Then I turn cougar, pounce in, and clean up.