Answer:
I am the beginning of eternity the end of time and space the beginning of every end the end of every place.
I hide but my head is outside. What am I?
What can go up a chimney down but canβt go down a chimney up?
I am all around yet to me you are half blind. Sunlight makes me invisible and difficult to find.
Why is leather armor best for sneaking?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.