Answer:
You need a key to receive an answer from me. The answer you'll find is straight from your mind. What is it?
I am what remains when nothing is left.What am I?
The sharp slim blade, that cuts the wind. What is it?
I am a span of time you can always see through I am also the timepiece with the most pieces. What am I?
There is a creature of God whose body is hardΝΎ it does not wish to eat unless you strike its head.
People take me on walks and I run and have fun. What am I?