Answer:
My children are near and far. No matter that I know where they are. The gift I give them make their day. But if I were gone they would wander away.
Useful tool for who in darkness dwell. Within you, corrupting like a deadly spell.
Tool of thief, toy of queen. Always used to be unseen. Sign of joy, sign of sorrow. Giving all likeness borrowed.
My first is a body of water. My second is me. My third came before. My fourth before all three. My fifth sounds like my first. My sixth is in a lake. Put all six together to make an animal that will keep you awake.
What kind of room has no windows or doors?
I can only be played on a windy day