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Returning 35 results for 'this feet detects'.
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Monsters
Tomb of Annihilation
mantrap detects any creatures nearby, it releases pollen out to a radius of 30 feet. Any beast or humanoid within the area must succeed on a DC 11 Wisdom saving throw or be forced to use all its movement
Carrion Stalker
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monsters
Van Richten’s Guide to Ravenloft
check. On its turn, the carrion stalker can detach itself from the target by using 5 feet of movement. When it dies, the carrion stalker detaches from any creature it is attached to.
Larval Burst (1
and tentacles. When an adult carrion stalker detects movement, it bursts from its corpse-cradle to attack, intent on implanting its young into the living and starting its species’ life cycle
Monsters
Mordenkainen Presents: Monsters of the Multiverse
"} force damage.
Phantasmal Terror. Fraz-Urb’luu targets one creature he can see within 120 feet of him. The target must succeed on a DC 23 Wisdom saving throw, or it takes 16 (3d10);{"diceNotation
staff of power taken from him by those who imprisoned him and commands his servants to do likewise.
The Prince of Deception’s true form is like that of a great gargoyle, some 12 feet tall, with
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
X5b. Secret Door Set into the middle of the temple’s north wall is a secret door. A character who searches the wall for secret doors and succeeds on a DC 20 Wisdom (Perception) check detects seams in
swing open for 1 minute, revealing a dusty stone staircase. The stairs climb 30 feet to another secret door that swings open automatically when a creature moves within 5 feet of it. The stairs lead to area X30.
Compendium
- Sources->Dungeons & Dragons->Dragon of Icespire Peak
D3. Concealed Pit Traps Each of these pits is 5 feet wide, 10 feet deep, and dug out of the earth. Rows of rusty swords are embedded into the floor of each pit, whose tops are covered by rotted
wooden planks hidden under a thin layer of earth. A creature using a pole or similar tool to prod ahead detects the pit with a successful DC 10 Wisdom (Perception) check. Any creature that steps onto a pit
Compendium
- Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes
(Insight or Perception) checks. As a bonus action, it automatically detects the location of all illusions and hidden creatures within 15 feet of it.
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
for traps detects the natural hazard with a successful DC 10 Wisdom (Perception) check. The characters can avoid the pit by staying within 5 feet of the walls. If a character falls into the pit, resolve the outcome using the quicksand rules in chapter 5 of the Dungeon Master’s Guide.
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
(Stealth) check. If the group check fails, the roc detects one or more trespassers and screeches. The inhabitants of areas 3 and 6 investigate the disturbance, emerging from their caves 2 rounds later
. Treasure The roc’s nest is 30 feet across and consists of felled trees, wagon wreckage, crushed bales of hay, and the occasional bent shield or rusty helm. Characters who search the roc’s nest find
Compendium
- Sources->Dungeons & Dragons->Dragon of Icespire Peak
Ankheg An ankheg resembles an enormous, many-legged insect that burrows underground while using its tremorsense to detect prey. When it detects movement above, it bursts from the ground and uses its
can bite only the grappled creature and has advantage on attack rolls to do so.
Acid Spray (Recharge 6). The ankheg spits acid in a line that is 30 feet long and 5 feet wide, provided that it has
Compendium
- Sources->Dungeons & Dragons->The Book of Many Things
Doors and Key Cards Doors in the Donjon Sphere are made of the same space metals as the outer surface. A magical sensor above each doorway detects movement within 10 feet, which causes the door to
open until no more movement is detected. Some doors are color coded and require a key card to open. A creature carrying the appropriate key card can open a locked door by standing within 10 feet of the
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
8. Egg Chamber The ceiling of this cavern is 80 feet high. A pair of purple worms have laid their eggs here, cementing them together and anchoring them to the cavern walls with their resinous saliva
. Seven clusters hold six eggs each, as noted on the map. Each egg is a silvery sphere 3 feet in diameter. Its shell is tough (AC 20), but an egg is destroyed if it takes any amount of damage. Three of
Compendium
- Sources->Dungeons & Dragons->Ghosts of Saltmarsh
approach his position; he always detects such an approach when the climber is 15 feet below him, investigating and attacking if circumstances warrant it. Bluffing Their Way On If the characters make
is lying broadside to the coastline, the starboard side facing landward. If the characters approach it from this side, they are automatically seen when within 20 feet, even if they approach silently
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
restrained by it. A mantrap can engulf only one creature at a time.
Reactions
Attractive Pollen (1/Day). When the mantrap detects any creatures nearby, it releases pollen out to a radius of 30 feet
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
General Features The following features are common throughout the Caves of Hunger: Ceilings. Most cavern ceilings are 30 feet high and made of smooth ice. Tunnel ceilings range from 10 to 15 feet
party member can feel hot breath against the back of their neck. The effect is illusory and harmless.
5 Each party member detects a familiar scent in this cavern that reminds them of some tragic
Compendium
- Sources->Dungeons & Dragons->Lost Mine of Phandelver
brief warning message to Iarno as soon as it detects intruders. The rat moves at a speed of 20 feet and has AC 10, 1 hit point, and no effective attacks. If the rat is killed, it disappears. If the
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
that detects the presence of celestials, such as a paladin’s Divine Sense class feature, reveals the presence of such a creature bound within the shield. If a dispel evil and good spell is cast on
the shield, or if the shield comes within 10 feet of a fiend, the deva is released, appearing within 5 feet of the shield or in the nearest unoccupied space. Once freed, the deva uses its detect evil
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
detects the presence of fiends, such as a paladin’s Divine Sense class feature, reveals the presence of such a creature bound within the shield. If an identify spell is cast on the shield, or if it is
brought within 10 feet of its sister shield in area 9b, the pit fiend is released. It appears within 5 feet of the shield’s bearer or in the nearest unoccupied space. The freed pit fiend attacks any
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
through the area without waking the hertilod by succeeding on a DC 18 Dexterity (Stealth) check. Otherwise, the hertilod wakes when it detects a creature within 30 feet of itself and attacks
regurgitated and lands in an unoccupied space within 10 feet of the hertilod. Alternatively, a creature within the hertilod’s gullet can use its action to make a DC 15 Intelligence (Investigation) check
Compendium
- Sources->Dungeons & Dragons->Monster Manual
Black Pudding Divisible, Corrosive Blob Habitat: Underdark; Treasure: None Black puddings are shapeless masses of predatory cells. Once a pudding detects organic matter, it oozes toward its prey
Mending spell on the weapon.
In 1 minute, the pudding can eat through 2 feet of nonmagical wood or metal.
Spider Climb. The pudding can climb difficult surfaces, including along ceilings, without
Compendium
- Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft
pincers and tentacles. When an adult carrion stalker detects movement, it bursts from its corpse-cradle to attack, intent on implanting its young into the living and starting its species’ life cycle anew
, doing so with a successful DC 11 Strength check. On its turn, the carrion stalker can detach itself from the target by using 5 feet of movement. When it dies, the carrion stalker detaches from any
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
the room has a ring of six copper spigots jutting out of it, 3 feet above the floor.
Bas-Reliefs. Carved into the walls are twenty bas-reliefs depicting drunken dwarves in different poses. One hand
stone cylinder 10 feet high and 10 feet in diameter, with 6-inch-thick walls. A copper spigot is embedded in the vats on the side facing the nearest wall, at a height of 3 feet. A narrow stone staircase
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
all favor with Lolth and became banshees. If Muiral (see appendix A) is here and detects the characters approaching, he casts greater invisibility on himself and stands between the statues in area 3a
30 feet away from the banshees to avoid their mournful wail. He is immune to their horrifying visages, having gazed upon them many times. VLONWELV'S PULPIT
From the spider throne in area 25b, a
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
green slime covers a 5-foot square, has blindsight out to a range of 30 feet, and drops from walls and ceilings when it detects movement below it. Beyond that, it has no ability to move. A creature
temperature within 30 feet of it is always frigid. When a creature moves to within 5 feet of the mold for the first time on a turn or starts its turn there, it must make a DC 12 Constitution saving throw
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
of bat fur to polish amber gemstones.
Otto. Otto the faerie dragon shows up to create mischief shortly after the characters arrive.
If Speleosa detects intruders in her home, she grabs loose rocks
. Speleosa has gathered thirty amber gemstones (100 gp each). 13c. Treasure Alcove Niches have been carved into the walls of this deep alcove at a height of 15 feet. The stone giants keep their
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
11. Lolth’s Palace If Muiral (see appendix A) is here, he’s lurking on the balcony (area 11b). When he detects intruders entering area 11a, he commands the bone pile in that area to animate and
, arched fireplace. The fireplace’s 5-foot-wide chimney climbs vertically for 30 feet, then ends abruptly. The rest of it caved in long ago. Treasure. Characters who search the room and succeed on a DC
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
10 feet square and contains four sleeping bags, packs of stolen rations, and a rolled-up map of Icewind Dale that marks the location of every Ten-Towns settlement, as well as the locations of the
. If an intruder detects him or tries to steal his map, he attacks. If he’s reduced to 20 hit points or fewer, he shrinks to Tiny size and flees through a 4-inch-diameter rathole, exiting outside the
Compendium
- Sources->Dungeons & Dragons->Mordenkainen Presents: Monsters of the Multiverse
. Cultists of Fraz-Urb’luu Fraz-Urb’luu grants his cultists the Liar’s Eye trait. Liar’s Eye. This creature has advantage on Wisdom (Insight or Perception) checks. As a bonus action, the creature detects the location of all illusions and hidden creatures within 15 feet of it.
true form is like that of a great gargoyle, some 12 feet tall, with an extended, muscular neck; a smiling face framed by long, pointed ears and lank, dark hair; and bat-like wings are furled against
Compendium
- Sources->Dungeons & Dragons->The Book of Many Things
displacer beast is trapped. 6 A green hag from the coven hidden in the Feygrove is on a mysterious errand. If she detects the adventurers before they spot her, the hag uses Illusory Appearance to
.
Actions
Gore. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 4 (1d6 + 1) piercing damage. If the minotaur moved at least 10 feet straight toward the target immediately before it
Compendium
- Sources->Dungeons & Dragons->Adventure Atlas: The Mortuary
and deafened conditions scrabbles along the ground, looking for its head. The zombie attacks any creature it detects. 2 1d4 will-o’-wisps offer to guide the characters to their destination but might
trots up to the characters and drops a bony hand at their feet. The dog wants to play fetch. 5 Ten melancholy Dusters (commoners) conduct an open-casket funeral for a cheery skeleton named Merle, who
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dragon Heist
action to wind the crank activates the box for 8 hours. While activated, the box barks whenever it detects vibrations within 15 feet of it, as long as the box and the source of the vibrations are in
device comes within 500 feet of a nimblewright other than Nim, the umbrella begins to spin, whir, and click. The spinning, whirring, and clicking accelerates as the distance to the target lessens
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a2
. The going is very hard, with steep slopes and heavy undergrowth, reducing the characters’ travel pace to roughly 100 feet per minute. Thoroughly exploring the hillside could easily take hours. Heavy
Glitterhame. The tunnel entrance is about 6 feet high and 4 feet wide. Anyone who succeeds on a DC 10 Wisdom (Survival) check can spot old tracks passing in and out of the tunnel—reptilian footprints
Compendium
- Sources->Dungeons & Dragons->Acquisitions Incorporated
than twenty feet wide and tall, opening up to a dark tunnel that winds its way beneath the foothills. A strange smell hangs on the air, reminiscent of oil and ozone.
A successful DC 12 Intelligence
(Investigation) or Wisdom (Perception) check to search around the cavern entrance detects a pressure plate running wall to wall under the dirt floor. If the check is 17 or higher, it also notes a
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
K61. Elevator Trap See area K31 and the accompanying Elevator Trap diagram before running this encounter. This dusty, ten-foot-wide, thirty-foot-long corridor has a flat ceiling ten feet overhead. To
detects seams in the floor, walls, and ceiling that suggest that the middle section isn’t attached to the rest of the hall. A character who makes a successful DC 15 Intelligence (Investigation) check
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
15–18 3d4 skeletons 19–20 1d3 minotaur skeleton Cliff and Ladder A cliff 2d4 × 10 feet high blocks the party’s passage, but a rolled-up rope ladder is visible at the top. If someone can climb the
with a dangerous natural gas leak. Any member of the party with a passive Wisdom (Perception) score of 14 or higher detects signs of the gas. The characters’ travel pace for the day is slowed by half
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
, and ceilings in patches. One patch of green slime covers a 5-foot square. Green slime has Blindsight with a range of 30 feet, and it drops from walls and ceilings when it detects movement below
feeds on warmth, drawing heat from anything around itself. One patch of brown mold covers a 10-foot square, and the temperature within 30 feet of it is always frigid. When a creature enters a space