| * | Room |
| * % | Red: room with a lair (monsters spawn here; hover for which) |
| % | Room with an up/down exit (the level above/below is drawn in line with it; click its ^ / v) |
| M | A named monster / NPC lives here |
| - | / \ | Exit |
| # | Door (open / pick / bash), or locked door needing a key |
| @ | Hidden exit opened by a lever / action |
| ^ v | Exit to a room elsewhere on this page; ^ v can also mean up/down (hover to see, click to go) |
| > v | Exit to another area; ^ v can also mean up/down (hover to see, click to go) |
| ^ v | Underlined arrow: that exit has a door or other requirement |
| From | Exit | What | Type |
| # | Obsidian Fortress, Stairway 16/5048 | southeast → Obsidian Fortress, Hallway | Door (151 picklocks/strength to pick/bash) | open se; (or pick se / bash se) |
| # | Obsidian Fortress, Hallway 16/5049 | northwest → Obsidian Fortress, Stairway | Door (151 picklocks/strength to pick/bash) | open nw; (or pick nw / bash nw) |
| # | Obsidian Fortress, Hallway 16/5053 | northwest → Obsidian Fortress, Office | Door (151 picklocks/strength to pick/bash) | open nw; (or pick nw / bash nw) |
| @ | Obsidian Fortress, Office 16/5057 | down → Obsidian Tunnel, Cramped Stairwell | Hidden: opened by 1 action(s), any order | d |
| # | Obsidian Fortress, Main Gates 16/5003 | southeast → Obsidian Fortress, Entrance | Locked: needs gleaming obsidian key (cannot be forced) | use gleaming obsidian key se; open se |
| # | Obsidian Fortress, Entrance 16/5002 | northwest → Obsidian Fortress, Main Gates | Locked: needs gleaming obsidian key (cannot be forced) | use gleaming obsidian key nw; open nw |
| # | Obsidian Fortress, Hallway 16/5024 | east → Obsidian Fortress, Barracks | Door (251 picklocks/strength to pick/bash) opened by push stone in Obsidian Fortress, Barracks 16/5042 | open e; (or pick e / bash e) |
| # | Obsidian Fortress, Hallway 16/5006 | south → Obsidian Fortress, Barracks | Door (251 picklocks/strength to pick/bash) opened by push button in Obsidian Fortress, Main Gates 16/5003 | open s; (or pick s / bash s) |
| # | Obsidian Fortress, Barracks 16/5043 | west → Obsidian Fortress, Hallway | Door (51 picklocks/strength to pick/bash) | open w; (or pick w / bash w) |
| # | Obsidian Fortress, Barracks 16/5031 | north → Obsidian Fortress, Hallway | Door (51 picklocks/strength to pick/bash) | open n; (or pick n / bash n) |
| # | Obsidian Fortress, Hallway 16/5018 | north → Obsidian Fortress, Barracks | Door (251 picklocks/strength to pick/bash) opened by push knob in Obsidian Fortress, Barracks 16/5038 | open n; (or pick n / bash n) |
| # | Obsidian Fortress, Hallway 16/5012 | west → Obsidian Fortress, Barracks | Door (251 picklocks/strength to pick/bash) opened by push stud in Obsidian Fortress, Barracks 16/5034 | open w; (or pick w / bash w) |
| # | Obsidian Fortress, Barracks 16/5039 | south → Obsidian Fortress, Hallway | Door (51 picklocks/strength to pick/bash) | open s; (or pick s / bash s) |
| # | Obsidian Fortress, Barracks 16/5035 | east → Obsidian Fortress, Hallway | Door (51 picklocks/strength to pick/bash) | open e; (or pick e / bash e) |
| @ | Obsidian Fortress, Hallway 16/5015 | southeast → Obsidian Fortress, Stairway | Hidden: opened by 1 action(s), any order opened by push lever in Obsidian Fortress, Barracks 16/5046 | se |
| ? | Obsidian Tunnel, Cramped Stairwell 16/5058 | up → Obsidian Fortress, Office | Hidden exit, found by searching | search u; u |