Answer:
A warrior amongst the flowers, he bears a thrusting sword. He uses it whenever he must, to defend his golden hoard.
I pass before the sun, but make no shadow.
If you have it, you want to share it. If you share it, you don't have it.
What contains zero calories, but if you consume it, you will probably gain weight?
I am the heart that does not beat. If cut, I bleed without blood. I can fly, but have no wings. I can float, but have no fins. I can sing, but have no mouth.
I can only be played on a windy day