You walk into the hollow, through which a stream flows. In the center is a basin. Galadriel takes water from the stream and fills the basin.
'You stand before the Mirror of Galadriel. In it you may see many things, some of the past, some present, and some yet to come... I have received grave news about your friend Gandalf. I was keeping you here until his arrival, but alas in all likelihood he will not be able to do so. I am hoping the Mirror can help show us what your purpose is to be. Do you wish to look into it?'
You nod and lean over the basin. At first you see only the reflection of the stars, but then they seem to fade away, and an image appears before you...