Answer:
I move without wings Between silken string I leave as you find My substance behind.
Two in a whole and four in a pair. Six in a trio you see. Eight's a quartet but what you must get is the name that fits just one of me.
The higher I climb, the hotter I engage. I cannot escape my crystal cage. What am I?
The time between daylight and darkness when blood drinkers like to come out
I dig out tiny caves and store gold and silver in them. I also build bridges of silver and make crowns of gold. Sooner or later everybody needs my help yet many people are afraid to let me help them.
When is it bad luck to see a black cat?