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Returning 35 results for 'been barriers diffusing cave reduced'.
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Magic Items
Acquisitions Incorporated
reduced by half while you follow that route. If you succeed at the check by 5 or more, the map includes notes on the terrain, granting you advantage on the next ability check you make to travel
d8
Landmark
1
The Ancient Sarcophagus of Gerald Smith
2
A tree labeled “This tree”
3
“The Last Resting Place of My Rich Brother that is Also a Bear Cave
Intellect Devourer
Legacy
This doesn't reflect the latest rules and lore.
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Monsters
Monster Manual (2014)
Detect Sentience. The intellect devourer can sense the presence and location of any creature within 300 feet of it that has an Intelligence of 3 or higher, regardless of interposing barriers, unless
","rollAction":"Devour Intellect"}: If the total equals or exceeds the target’s Intelligence score, that score is reduced to 0. The target is stunned until it regains at least one point of
Monsters
Tales from the Yawning Portal
Echolocation. The darkmantle can't use its blindsight while deafened.
False Appearance. While the darkmantle remains motionless, it is indistinguishable from a cave formation such as a stalactite or
stalagmite.
Reduced Threat. This creature has -2 penalty on all ability checks and saving throws.Crush. Melee Weapon Attack: +3;{"diceNotation":"1d20+3","rollType":"to hit","rollAction":"Crush"} to
Monsters
Icewind Dale: Rime of the Frostmaiden
Petrified Death. A tomb tapper reduced to 0 hit points turns into a lifeless stone statue. Anything it's wearing or carrying is not transformed.
Sense Magic. The tomb tapper senses magic within 30
feet of it and can use an action to pinpoint the location of any creature, object, or area in that range that bears magic. This sense penetrates barriers but is blocked by a thin sheet of lead.
Tunneler
Monsters
Fizban's Treasury of Dragons
without excavation or magic, as the dragon can simply open doorways in walls whenever necessary.
The lair has the following features:
Disguised Entrances. An otherwise unremarkable cave (shown at the
the lair.
Cobweb-Choked Tunnels. Adventurers who manage to access the other side of the cave’s crystal walls discover a network of dark, cobweb-choked tunnels extending deep into the earth, set
Monsters
Spelljammer: Adventures in Space
","rollDamageType":"cold"} cold damage, and its speed is reduced to 0 until the end of its next turn. On a successful save, the creature takes half as much damage, and its speed isn’t
objects. In this semi-incorporeal state, roughly half of the dragon’s body has a dark, indistinctly spectral form.A Lunar Dragon’s Lair
The cave complex where a lunar dragon makes its lair
Monsters
Spelljammer: Adventures in Space
Breath","rollDamageType":"cold"} cold damage, and its speed is reduced to 0 until the end of its next turn. On a successful save, the creature takes half as much damage, and its speed isn’t
creatures or solid objects. In this semi-incorporeal state, roughly half of the dragon’s body has a dark, indistinctly spectral form.A Lunar Dragon’s Lair
The cave complex where a lunar
Monsters
Princes of the Apocalypse
on a failed save, or half as much damage on a successful one. A humanoid reduced to 0 hit points by this damage dies, and an undead shadow rises from its corpse and acts immediately after the dragon
dwell in swamps on the frayed edges of civilization. A black dragon’s lair is a dismal cave, grotto, or ruin that is at least partially flooded, providing pools where the dragon rests, and where
Monsters
Fizban's Treasury of Dragons
open doorways in walls whenever necessary.
The lair has the following features:
Disguised Entrances. An otherwise unremarkable cave (shown at the top of the map) provides the main access to the lair
manage to access the other side of the cave’s crystal walls discover a network of dark, cobweb-choked tunnels extending deep into the earth, set with natural steps and shelves throughout. The
Compendium
- Sources->Dungeons & Dragons->Quests from the Infinite Staircase
in the Cave of Echoes links it to the Eternal Garden and saturates the caverns with fey magic. The hilltop is now barren, and the river, which still flows through the portal, has been reduced to a mere
Cave of Echoes The Cave of Echoes is a day’s ride south of Sybar. Originally, the cave was the underground course of a river that flowed from a lake in the Eternal Garden before the garden was drawn
Compendium
- Sources->Dungeons & Dragons->Quests from the Infinite Staircase
in the Cave of Echoes links it to the Eternal Garden and saturates the caverns with fey magic. The hilltop is now barren, and the river, which still flows through the portal, has been reduced to a mere
Cave of Echoes The Cave of Echoes is a day’s ride south of Sybar. Originally, the cave was the underground course of a river that flowed from a lake in the Eternal Garden before the garden was drawn
Compendium
- Sources->Dungeons & Dragons->Quests from the Infinite Staircase
in the Cave of Echoes links it to the Eternal Garden and saturates the caverns with fey magic. The hilltop is now barren, and the river, which still flows through the portal, has been reduced to a mere
Cave of Echoes The Cave of Echoes is a day’s ride south of Sybar. Originally, the cave was the underground course of a river that flowed from a lake in the Eternal Garden before the garden was drawn
Monsters
Fizban's Treasury of Dragons
next turn. On a successful save, the creature takes half as much damage, and its speed isn’t reduced.
Spellcasting (Psionics). The dragon casts one of the following spells, requiring no spell
flowing down toward the lowlands. The lair has the following features:
Entrances. Two cave entrances provide access to the lair, one in the rock face just above one tarn and one below the surface of
Compendium
- Sources->Dungeons & Dragons->Dragons of Stormwreck Isle
fallen ill—and that a nasty smell pervades their caves. Adult myconids know that the “crystal cave” (area B6) is the source of the foul odor and that Sinensa fell ill after going into that cave to
investigate the issue. The myconids normally avoid that cave because sunlight filters into it by way of the vent at the western end of the cave, and even diffuse sunlight is unpleasant to these cave
Compendium
- Sources->Dungeons & Dragons->Dragons of Stormwreck Isle
fallen ill—and that a nasty smell pervades their caves. Adult myconids know that the “crystal cave” (area B6) is the source of the foul odor and that Sinensa fell ill after going into that cave to
investigate the issue. The myconids normally avoid that cave because sunlight filters into it by way of the vent at the western end of the cave, and even diffuse sunlight is unpleasant to these cave
Monsters
Fizban's Treasury of Dragons
next turn. On a successful save, the creature takes half as much damage, and its speed isn’t reduced.
Spellcasting (Psionics). The dragon casts one of the following spells, requiring no spell
is set beneath a mountain ridge between two deep tarns, with streams flowing down toward the lowlands. The lair has the following features:
Entrances. Two cave entrances provide access to the lair
Compendium
- Sources->Dungeons & Dragons->Dragons of Stormwreck Isle
fallen ill—and that a nasty smell pervades their caves. Adult myconids know that the “crystal cave” (area B6) is the source of the foul odor and that Sinensa fell ill after going into that cave to
investigate the issue. The myconids normally avoid that cave because sunlight filters into it by way of the vent at the western end of the cave, and even diffuse sunlight is unpleasant to these cave
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
creature that hurt it most recently. It runs off when reduced to fewer than half its hit points. Treasure Coins in the cave total 99 cp, 74 sp, and 13 gp, divided among several coin purses. The bandits also accumulated other plunder worth 100 gp, including numerous weapons.
distance from the Cairn Road is a makeshift camp in front of a cave entrance. Four surly humans sharpen their blades around the fire. Nearby is a wagon with a wooden cage atop it. Inside the cage, a black
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
creature that hurt it most recently. It runs off when reduced to fewer than half its hit points. Treasure Coins in the cave total 99 cp, 74 sp, and 13 gp, divided among several coin purses. The bandits also accumulated other plunder worth 100 gp, including numerous weapons.
distance from the Cairn Road is a makeshift camp in front of a cave entrance. Four surly humans sharpen their blades around the fire. Nearby is a wagon with a wooden cage atop it. Inside the cage, a black
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
creature that hurt it most recently. It runs off when reduced to fewer than half its hit points. Treasure Coins in the cave total 99 cp, 74 sp, and 13 gp, divided among several coin purses. The bandits also accumulated other plunder worth 100 gp, including numerous weapons.
distance from the Cairn Road is a makeshift camp in front of a cave entrance. Four surly humans sharpen their blades around the fire. Nearby is a wagon with a wooden cage atop it. Inside the cage, a black
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
now and functions as terrain. It fully rouses only every few decades. This nodule is tube-shaped with a massive cave at one end. Several heaps of rust-colored moss speckle its slimy surface.
The
Nematode’s exterior is uninteresting except for the cave in its side. This location is presented on map 8.5. Mike Schley Map 8.5: The Nematode View Player Version N1: The Mouth A cave at one end of the
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
now and functions as terrain. It fully rouses only every few decades. This nodule is tube-shaped with a massive cave at one end. Several heaps of rust-colored moss speckle its slimy surface.
The
Nematode’s exterior is uninteresting except for the cave in its side. This location is presented on map 8.5. Mike Schley Map 8.5: The Nematode View Player Version N1: The Mouth A cave at one end of the
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
now and functions as terrain. It fully rouses only every few decades. This nodule is tube-shaped with a massive cave at one end. Several heaps of rust-colored moss speckle its slimy surface.
The
Nematode’s exterior is uninteresting except for the cave in its side. This location is presented on map 8.5. Mike Schley Map 8.5: The Nematode View Player Version N1: The Mouth A cave at one end of the
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
11. Watch Post This area is guarded by thralls of the Ssethian Scourges against possible attack from the Blacktongues. 11a. Flooded Cave This 20-foot-high cavern is flooded with muddy water to a
depth of 3 feet. The drow in area 11b attack intruders they spot moving through this cave. 11b. Watchers in the Dark Dry land rises gently out of the water to create a broad ledge dotted with 4-foot-high
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
11. Watch Post This area is guarded by thralls of the Ssethian Scourges against possible attack from the Blacktongues. 11a. Flooded Cave This 20-foot-high cavern is flooded with muddy water to a
depth of 3 feet. The drow in area 11b attack intruders they spot moving through this cave. 11b. Watchers in the Dark Dry land rises gently out of the water to create a broad ledge dotted with 4-foot-high
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
11. Watch Post This area is guarded by thralls of the Ssethian Scourges against possible attack from the Blacktongues. 11a. Flooded Cave This 20-foot-high cavern is flooded with muddy water to a
depth of 3 feet. The drow in area 11b attack intruders they spot moving through this cave. 11b. Watchers in the Dark Dry land rises gently out of the water to create a broad ledge dotted with 4-foot-high
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
11. Disposal Cave The stench of death fills these caves, which the giants visit infrequently. 11a. Faces of Halaster Stone Faces. Giant-carved visages of Halaster cover the walls. Each face has a
different expression.
Corpses. Dozens of humanoid corpses in varying stages of putrefaction, including a few reduced to moldy bones, lie stacked like cordwood against the walls.
The stone giants have
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
11. Disposal Cave The stench of death fills these caves, which the giants visit infrequently. 11a. Faces of Halaster Stone Faces. Giant-carved visages of Halaster cover the walls. Each face has a
different expression.
Corpses. Dozens of humanoid corpses in varying stages of putrefaction, including a few reduced to moldy bones, lie stacked like cordwood against the walls.
The stone giants have
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
11. Disposal Cave The stench of death fills these caves, which the giants visit infrequently. 11a. Faces of Halaster Stone Faces. Giant-carved visages of Halaster cover the walls. Each face has a
different expression.
Corpses. Dozens of humanoid corpses in varying stages of putrefaction, including a few reduced to moldy bones, lie stacked like cordwood against the walls.
The stone giants have
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
wolf allies. A five-foot-high stone ledge overlooks this large cave, which has a smoldering campfire at the far west end. The floor is covered with gnawed bones. If Skennis is reduced to 0 hit points
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
wolf allies. A five-foot-high stone ledge overlooks this large cave, which has a smoldering campfire at the far west end. The floor is covered with gnawed bones. If Skennis is reduced to 0 hit points
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation Supplement
22. Caves of Worship This area consists of three natural caves connected by tunnels. Sea mist sprays from the north, and the noise of crashing waves echoes throughout. Within each cave is a 5-foot
hungry xorn emerges from a wall behind them and demands food (in Terran). If the characters don’t quickly feed the xorn at least 50 gp worth of gems or coins, it attacks them. If the xorn is properly fed or reduced to fewer than half its hit points, it sinks back into the stone.
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
wolf allies. A five-foot-high stone ledge overlooks this large cave, which has a smoldering campfire at the far west end. The floor is covered with gnawed bones. If Skennis is reduced to 0 hit points
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation Supplement
22. Caves of Worship This area consists of three natural caves connected by tunnels. Sea mist sprays from the north, and the noise of crashing waves echoes throughout. Within each cave is a 5-foot
hungry xorn emerges from a wall behind them and demands food (in Terran). If the characters don’t quickly feed the xorn at least 50 gp worth of gems or coins, it attacks them. If the xorn is properly fed or reduced to fewer than half its hit points, it sinks back into the stone.
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation Supplement
22. Caves of Worship This area consists of three natural caves connected by tunnels. Sea mist sprays from the north, and the noise of crashing waves echoes throughout. Within each cave is a 5-foot
hungry xorn emerges from a wall behind them and demands food (in Terran). If the characters don’t quickly feed the xorn at least 50 gp worth of gems or coins, it attacks them. If the xorn is properly fed or reduced to fewer than half its hit points, it sinks back into the stone.






