Answer:
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
A man shot two arrows at its center and missed both times, but using a sword swung once at its center and hit it twice.
Hard to catch, easy to hold. Can't be seen, unless it's cold.
Five hundred begins it, five hundred ends it. Five in the middle is seen. First of all figures, the first of all letters. Take up their stations between. Join all together, and then you will bring before you the name of an eminent king.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?