Answer:
I moan I groan I chase after you. I never seem to rest. Timeβs up for you.
I am a portal to another world which you cannot enter. Only you can see me but I can't see you.
I am an animal thatβs black white and asian.
I am a mountain at night meadow at day
The 8 of us go forth and not back to protect our king from a foe's attack. What am I?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.