Answer:
Scythe of darkness, Shadow’s light. Guiding eye of thirteenth sight.
Held firmly in the hands, like a sword it cuts deep. Bloodless strokes, all, then forward we leap.
What I am filled, I can point the way. When I am empty. Nothing moves me. I have two skins. One without and one within.
I have one door and five rooms what am i
Whilst I was engaged in sitting. I spied the dead carrying the living
I’m grown from darkness but shine with a pale light. Very round I am and always a lady's delight.