Tier 1:
Nature's Balance is a passive talent that generates 2 Astral Power every 3-seconds. Out of combat, your Astral Power climbs until it reaches 50.

Tier 6:
Soul of the Forest increases the damage bonus from Lunar Empowerment and Solar Empowerment by 30%, and reduces the cost of Starfall by 10 Astral Power.

Tier 7:
Shooting Stars is a passive ability that has a 10% chance to proc a falling star every time your Moonfire or Sunfire does damage. When you proc a falling star, you generate 4 Astral Power and deal a minor amount of damage.


Mostly Natures Balance though.