Answer:
The more it dries, the wetter it becomes. What is it?
I must be broken before you can use me.
I run up and down the stairs without moving
Lives in winter, dies in summer, and grows with its roots upward. What is it?
I have no weight but I could destroy a mansion. What am I?
For our ambrosia we were blessed, By Jupiter, with a sting of death. Though our might, to some is jest, We have quelled the dragon's breath. Who are we?