Answer:
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.
A warrior amongst the flowers, he bears a thrusting sword. He uses it whenever he must, to defend his golden hoard.
You can spin, wheel and twist. But this thing can turn without moving.
Dies half its life. Lives the rest. Dances without music. Breathes without breath.
What zips through the sky with a tail of fire and dust. It could be an omen, its origin to discuss?
I’m grown from darkness but shine with a pale light. Very round I am and always a lady's delight.