Answer:
What an fill a room but takes up no space?
The higher I climb, the hotter I engage. I cannot escape from my crystal cage.
Reaching stiffly for the sky, I bare my fingers when its cold. In warmth I wear an emerald glove and in between I dress in gold.
Bold are the first; true are the second; playful are the third; clever are the fourth; forceful are the fifth.
The sharp slim blade, that cuts the wind.
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.