Then there was the chamber itself, which was totally bizarre. They were at the base of the pyramid, so the room was a perfect square, but the corners of the chamber had been raised and rounded, forming a flawless circle in the centre of the space. At the heart of the circle were two, long vessels made from shiny, black stone ... that Hermione morbidly thought looked like coffins ... and next to these were two fountains, again carved from the same black stone, one containing a silvery substance and the other more of a golden colour. Neville stood astride these fountains holding two, very large, silver ewers.