Answer:
You need a key to receive an answer from me. The answer you'll find is straight from your mind. What is it?
A horrid monster hides from the day, with many legs and many eyes. With silver chains it catches prey. And eats it all before it dies. Yet in every cottage does it stay. And every castle beneath the sky.
I fly through the air on small feathered wings, seeking out life and destroying all things.
What can be seen but never found that only hides in the unwound?
Runs smoother than any rhyme, loves to fall but cannot climb.
What covers its face with its hands, speaks no language, yet most known what it's saying?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?