|The rough stone wall is firm and unyeilding.|
This is your basic wall. It can be dug through with a staff of tunneling, and looks like this: #
Brogue's walls have a unique property of preventing movement across their diagonals. This means that standing on the doorway, which would normally let three monsters in the room attack you, only lets one attack you in brogue. However, ranged attacks and the secondary attacks of weapons like axes still work across the sharp corners of walls.