Answer:
I climb higher as I get hotter. I can never escape from my crystal cage.
I have a head and a tail but my eyes can never see my tail.
When I get closer my tail grows longer but when I go away my tail leads the way.
Fatherless and motherless. I was born without sin roared when it came into the world. But I never spoke again.
They are many and one, they wave and they drum, used to cover a stare, they go with you everywhere.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.