Answer:
The eight of us go forth not back to protect our king from a foe's attack. What are we?
I am known for my natural tuxedo and marching
I am not alive but I grow I don't have lungs but I need air I don't have a mouth but water kills me. What am I?
With a halo of water and a tongue of wood, stone as skin long I stood. What am I?
Some people avoid me some people count me some people just consume me
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.