Answer:
People are hired to get rid of me. I'm often hiding under your bed. In time I'll always return you see. Bite me and you're surely dead.
What tree that definitely grows does not have a shadow and does not grow fruit?
My first is in wield, sever bones and marrow. My second is in blade, forged in cold steel. My third is an arbalest, and also in arrows. My fourth is in power, plunged through a shield. My fifth is in honor, and also in vows. My last will put an end to it all.
I'm not really more than holes tied to more holes. I'm strong as good steel, though not as stiff as a pole.
What has four wings but cannot fly and uses the wind but does not know why?
What is always coming but never arrives?