Answer:
A single syllable do I claim black was my most famous name; Fetal to mortals here below thousands have I slain in a single blow.
I say everything I hear to others around. Iām not an animal nor part of the human race. I will immediately repeat after you; But only if my tail is in place.
My days are numbered. What am I?
I have three feet but I cannot walk. What am I?
The more you have me the less you see. Shine a light on me and I shall flee.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.