Answer:
Light hides me and darkness kills me. What am I?
In wealth I abound; in water I stand; as a fencer I'm valued all over the land; at Venice I'm famous; by farmers I'm prized; respected by law yet huntsmen despised; consternation and ruin ensue when I break; And the beasts of the forest advantage won't take.
The shorter I am the bigger I am.
I have three feet but no arms or legs
I always follow you around, everywhere you go at night. I look very bright to people, but I can make the sun dark. What am I?
It weighs next to nothing but no one can hold it for long. What is it?