Answer:
Many have heard it, but nobody has ever seen it. It will not speak until spoken to. What is it?
I cut through evil like a double edged sword, and chaos flees at my approach. Balance I single-handedly upraise, through battles fought with heart and mind, instead of with my gaze.
Inside a burning house, this thing is best to make. And best to make it quickly, before the fire's too much to take.
If a man carried my burden, he would break his back. I am not rich, but leave silver in my track.
It is an arctic double breasted formal wear.
What language does a billboard speak?