Answer:
A house of wood in a hidden place. Built without nails or glue. High above the earthen ground It holds pale gems of blue.
What is weightless but it needs two person to hold it?
If a man carried my burden, he would break his back. I am not rich, but leave silver in my track.
I can run but not walk. Wherever I go, thought follows close behind.
With pointed fangs it sits in wait. With piercing force it doles out fate, over bloodless victims proclaiming its might. Eternally joining in a single bite.
When is it bad luck to see a black cat?