Answer:
I am a time for gathering crops. Remove the first three letters and I become an object you can wear.
With a halo of water and a tongue of wood; stone as skin long I stood.
The more you take away from me, the bigger I shall get. What am I?
In a tunnel of darkness lies a beast or iron. It can only attack when pulled back. What is it?
I have a title and many pages. I am a genteel of genteel descent. I am a killer veteran of war. I am a slave to my lord pledged to his service.
The answer I give is yes, but what I mean is no. What was the question?