Answer:
The eight of us move forth and back. To protect our king from the foes attack.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.
Who eats a lot of iron without getting sick?
If I have it, I don't share it. If I share it, I don't have it. What is it?
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves every day. What am I?
What never gets any wetter no matter how hard it rains?