Answer:
A dragons tooth in a mortals hand I kill I maim I divide the land.
A butcher is 6 feet tall and wears size 12 shoes. What does he weigh?
I see what you see feel what you feel and hear what you hear. I know all of your moves before you make them. I even know the moves you didn't make.
Never ahead, ever behind, yet flying swiftly past, for a child, I last forever, for adults, I'm gone too fast.
I can be swallowed, but I can also swallow you. What am I?
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.