Answer:
I am nothing really at all, Yet I am easily foundΝΎ Ignore me at your own peril, and you might end up crowned!
With head without hair. With mouth without tooth.
What gets wet while drying?
What is as big as you are and yet does not weight anything?
A great mysterious place that the bold have been known to journey into.
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?