The Slytherin common room was a long, low underground room with rough stone walls and ceiling, from which round, greenish lamps were hanging on chains. A fire was crackling under an elaborately carved mantelpiece ahead of them, and several Slytherins were silhouetted around it in carved chairs. The common room was a dungeon-like room with greenish lamps and chairs. This dungeon extended partway under the lake, giving the light in the room a green tinge. The common room had lots of low backed black and dark green button-tufted, leather sofas; skulls; and dark wood cupboards. It was decorated with tapestries featuring the adventures of famous Medieval Slytherins, It has quite a grand atmosphere, but also quite a cold one --ar 3:2