Answer:
The 8 of us go forth and not back to protect our king from a foe's attack. What am I?
If you lose me, you may cause people around you to lose me too. What am I?
I can speak with my hard metal tongue. But I cannot breathe for I have no lung
I twist and turn and leave a loop. What am I?
My first though water cures no thirst my next alone has soul and when he lives upon my first he then is called my whole.
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?