Answer:
An appropriately loud response to fear, excitement, or your team scoring.
The eight of us go forth not back to protect our king from a foes attack.
I have one eye, See near and far, I hold the moments you treasure, And the things that make you weep.
What hatches without food?
The part of the bird, that is not in the sky, Which can swim in the ocean and always stay dry. What is it?
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.