Answer:
You heard me before, yet you hear me again, then I die. Until you call me again.
What has thirteen hearts But no body or soul?
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not. What is it?
Creatures of power, creatures of grade, creatures of beauty, creatures of strength. As for their lives, they set everything's pace. For all things must come to live. Under their emerald embraceย Either in their life or in their death.
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around.
What gives life and love, and is there till they die? What can hide you and find you, heal you and feed you but should never give up on you?