Answer:
The 8 of us go forth and not back to protect our king from a foe's attack. What am I?
Open me, and you can't see me without a mirror. Close me and you can't see me at all. What am I?
My snake-like body cracks and burns. I cause pain but pleasure too. What am I?
No legs have I to dance, no lungs have I to breathe. No life have I to live or die, and yet I do all three. What am I?
I can fly but I have no wings. I can cry but I have no eyes. Wherever I go darkness follows me.
What is always coming but never arrives?