Answer:
I rise and fall no matter what, only at finals rest do I not budge. What am I?
I am the minerals vital for your good health.
I move without wings between silken strings. I leave as you find my substance behind
I am two-faced but bear only one. I have no legs but travel widely. Men spill much blood over me. Kings leave their imprint on me. I have greatest power when given away yet lust for me keeps me locked away.
I go in dry and come out wet. The longer I stay in the stronger my surroundings get.
What language does a billboard speak?