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Returning 35 results for 'tunnel'.
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
K81. Tunnel This tunnel is cut into the Pillarstone of Ravenloft itself. Its surface is slick, and its ceiling is barely 6 feet high. A lingering fog limits visibility to a few feet. Characters who
have knowledge of stonecutting can tell that this passage is a relatively new construction compared to other areas of Ravenloft. The tunnel is 120 feet long, with a stone door at its eastern end. Near
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
Tunnel Features Map 7.1 shows several locations along the way to Illithinoch. The following features are common in these areas. Natural Tunnels The chambers and the tunnel are all rough, natural
stone. Dim Light Patches of pale, phosphorescent fungus illuminate the tunnel and chambers with dim light. Ceilings The tunnel varies between 10 and 15 feet high. Chambers are 20 feet high unless otherwise indicated.
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
K81. Tunnel This tunnel is cut into the Pillarstone of Ravenloft itself. Its surface is slick, and its ceiling is barely 6 feet high. A lingering fog limits visibility to a few feet. Characters who
have knowledge of stonecutting can tell that this passage is a relatively new construction compared to other areas of Ravenloft. The tunnel is 120 feet long, with a stone door at its eastern end. Near
Compendium
- Sources->Dungeons & Dragons->Ghosts of Saltmarsh
Mysterious Tunnel The submerged tunnel snakes westward for nearly a mile, and is flooded along its entire length. It opens up to the seafloor 40 feet underwater and a few hundred feet off a deserted
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
Tunnel Features Map 7.1 shows several locations along the way to Illithinoch. The following features are common in these areas. Natural Tunnels The chambers and the tunnel are all rough, natural
stone. Dim Light Patches of pale, phosphorescent fungus illuminate the tunnel and chambers with dim light. Ceilings The tunnel varies between 10 and 15 feet high. Chambers are 20 feet high unless otherwise indicated.
Compendium
- Sources->Dungeons & Dragons->Ghosts of Saltmarsh
Mysterious Tunnel The submerged tunnel snakes westward for nearly a mile, and is flooded along its entire length. It opens up to the seafloor 40 feet underwater and a few hundred feet off a deserted
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
1. Umber Hulk Tunnel This 8-foot-high tunnel was dug by the umber hulk in area 26 and is strewn with debris. The tunnel splits into two branches before breaking into a dark dungeon corridor on this level.
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
1. Entrance Tunnel The worm tunnel the adventurers are traveling through opens up atop a steep slope leading 15 feet down into the open cavern. The slope is difficult terrain. As long as the
either side of the tunnel. The rubble on the east side of the tunnel conceals a hidden passageway. Any character with a passive Wisdom (Perception) score of 15 or higher notices the hidden passage
Compendium
- Sources->Dungeons & Dragons->Dragon of Icespire Peak
A20. Narrow Tunnel Ghouls dug this winding, rubble-strewn tunnel connecting the upper and lower levels of Axeholm. The tunnel is 2 feet wide, 5 feet high, and 60 feet long.
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
The Old Tunnel A narrow tunnel runs from the cellar beneath the keep to the bank of the stream (area 2). The tunnel is wide enough to allow warriors to pass through it in single file. In the keep
, the tunnel is sealed with a locked ironbound door, and the stream exit is covered with a locked iron grate made to look like a sewer outlet. The tunnel’s main function was as a secret means of
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
Traversing the Tunnel The winding tunnel between Phandalin and Illithinoch is 12 miles long, curving in different directions as it descends 2 miles beneath the town. The tunnel has a gentle but
continuous slope. The entire journey takes about 14 hours if the characters walk at normal speed. Random Encounters After each hour the characters spend in the tunnel, roll 1d20 and consult the Tunnel
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
1. Entrance Tunnel The worm tunnel the adventurers are traveling through opens up atop a steep slope leading 15 feet down into the open cavern. The slope is difficult terrain. As long as the
either side of the tunnel. The rubble on the east side of the tunnel conceals a hidden passageway. Any character with a passive Wisdom (Perception) score of 15 or higher notices the hidden passage
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
The Old Tunnel A narrow tunnel runs from the cellar beneath the keep to the bank of the stream (area 2). The tunnel is wide enough to allow warriors to pass through it in single file. In the keep
, the tunnel is sealed with a locked ironbound door, and the stream exit is covered with a locked iron grate made to look like a sewer outlet. The tunnel’s main function was as a secret means of
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
13. Exit Tunnel Characters can exit the worm nursery and return to the Wormwrithings via this purple worm tunnel.
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
6. Back Tunnel Corpses. Lying against the walls of this 20-foot-high tunnel are the mutilated corpses of ten hobgoblins.
Scaladar. Three scaladar (see appendix A) patrol the tunnel.
The scaladar
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
6. Back Tunnel Corpses. Lying against the walls of this 20-foot-high tunnel are the mutilated corpses of ten hobgoblins.
Scaladar. Three scaladar (see appendix A) patrol the tunnel.
The scaladar
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
1. Tunnel Plexus The natural tunnel that descends from level 16 levels out before splitting into several passages that connect to areas 2, 5, and 6. These passageways have uneven floors and ceilings
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7
1. False Entrance Tunnel If the characters clear the passage on the west side of the cliff face, read: The corridor before you is made of plain stone, roughly worked, and it is dark and full of
burned away for someone to be able to inspect the tunnel ceiling. Anyone who does so and succeeds on a DC 10 Intelligence (Investigation) check realizes that the ceiling is unstable and in danger of
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
38. Secret Tunnel This curved corridor is hidden behind secret doors and connects areas 37 and 39. Humanoid footprints in the dust suggest that a lot of traffic passes through here.
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
15. Wind Tunnel Carved birds soar across the walls of this corridor. Blocking the passage near its northern end is a large adamantine propeller with five sharp blades.
With a successful DC 15
that passes through it, and the blades are turning too fast for a creature to leap between them. The rapidly spinning propeller also creates a wind tunnel effect, such that any creature that comes
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3
51. Wind Tunnel This five-foot-diameter passage is dry and dusty, and it shows no sign of having been used for ages. Near the top of the corridor walls, about three feet from the ceiling, stone
Compendium
- Sources->Dungeons & Dragons->Dragon of Icespire Peak
D5. Narrow Tunnel This tunnel is only 2 feet wide. At the halfway point, a 5-foot-long pressure plate is hidden under a 2-inch-thick layer of earth. A character prodding ahead with a pole or similar
tool can detect the plate with a successful DC 10 Wisdom (Perception) check. The first character to step on the plate causes the walls of the tunnel to collapse inward, burying all creatures in the
Compendium
- Sources->Dungeons & Dragons->Dragon of Icespire Peak
A20. Narrow Tunnel Ghouls dug this winding, rubble-strewn tunnel connecting the upper and lower levels of Axeholm. The tunnel is 2 feet wide, 5 feet high, and 60 feet long.
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
13. Exit Tunnel Characters can exit the worm nursery and return to the Wormwrithings via this purple worm tunnel.
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
15. Exit Tunnel This purple worm tunnel leads back into the Wormwrithings. Unless they’re being pursued, the characters can safely leave the troglodytes behind when they reach this area.
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7
1. False Entrance Tunnel If the characters clear the passage on the west side of the cliff face, read: The corridor before you is made of plain stone, roughly worked, and it is dark and full of
burned away for someone to be able to inspect the tunnel ceiling. Anyone who does so and succeeds on a DC 10 Intelligence (Investigation) check realizes that the ceiling is unstable and in danger of
Compendium
- Sources->Dungeons & Dragons->Dragon of Icespire Peak
E7. Secret Tunnel Trapped behind the secret doors, an ochre jelly lurks in the rubble at the south end of this hall.
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
8. Umber Hulk Tunnel An umber hulk dug this tunnel, which descends hundreds of feet to area 1 on level 6.
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
8. Umber Hulk Tunnel An umber hulk dug this tunnel, which descends hundreds of feet to area 1 on level 6.
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
11. Overgrown Tunnel The fungi in area 10 have spread throughout this tunnel. A forest of sticky mushrooms ranging in height from a few inches to 3 feet tall covers the floor, and the fossilized
stone giants standing in alcoves along the walls are covered with blue, gold, and scarlet moss. When one or more characters reach the middle of this area, have all the characters in the tunnel make a DC
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
27. Secret Tunnel The wererats use this secret tunnel to enter and leave their warrens. Oozes have also been using this route to enter Blingdenstone and join the Pudding King’s court. The secret doors are well hidden and require a successful DC 18 Wisdom (Perception) check to spot.
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
27. Secret Tunnel The wererats use this secret tunnel to enter and leave their warrens. Oozes have also been using this route to enter Blingdenstone and join the Pudding King’s court. The secret doors are well hidden and require a successful DC 18 Wisdom (Perception) check to spot.
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
15. Wind Tunnel Carved birds soar across the walls of this corridor. Blocking the passage near its northern end is a large adamantine propeller with five sharp blades.
With a successful DC 15
that passes through it, and the blades are turning too fast for a creature to leap between them. The rapidly spinning propeller also creates a wind tunnel effect, such that any creature that comes
Compendium
- Sources->Dungeons & Dragons->Dragon Delves
T10: East Tunnel This tunnel is littered with the dusty bones of four dead humans wearing tattered crimson robes. One of the skeletons slumps in a corner next to a double door. It wears an amulet
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7
2. False Entrance Tunnel If the characters clear the passage on the east side of the cliff face, read: The corridor before you is made of plain stone, roughly worked and mortared, with a 10-foot-high