Answer:
Passed from father to son and shared between brothers, its importance is unquestioned though it is used more by others.
I am not alive, though I never die, to no one I've ever told a lie, today I can be god's warrior, and serve him with no horror, but tomorrow I might be devil's knight, for I am what ends the light.
Men in skirts blow into these.
What has a foot but no leg?
Made of ten but two we make, When assembled others quake, Five apart and we are weak, Five together havoc wreak. What are we?
What never asks questions but receives a lot of answers?