Answer:
At first, I am nothing. Add something to negate. Add again to oppose. Add again to find the time to draw. Add once more to find nobody at all.
What do people want the least on their hands?
My first is in wield, sever bones and marrow. My second is in blade, forged in cold steel. My third is in 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.
Ten men's strength, ten men's length. Ten men can't break it, yet a young boy walks off with it.
I can be used to type and point you see. But don't forget, you can count on me. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?