mechanism some with only are from for least

22. Garrux's Brewery

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

inside with a successful DC 15 Dexterity check using thieves' tools, provided that the mechanism can be reached and the character can see in the dark. Wedging at least two iron spikes between the pit’s

and snaps closed after the creature falls through. A successful DC 20 Strength check is necessary to pry the lid open. A character in the pit can also attempt to disable the spring mechanism from the

Attending the Gala

Compendium - Sources->Dungeons & Dragons->Keys from the Golden Vault

occult theory is missing. Gemstone Wing Security Measures. A character who spends at least 1 minute studying the pedestal during the gala realizes it has an elaborate defense mechanism (see area V13).

Corpse Flower

Compendium - Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes

a stench of decay that can overwhelm the senses of nearby creatures, causing them to become nauseated. The stench, which serves as a defense mechanism, fades 2d4 days after the corpse flower dies

corpse flower dies, the corpses within it can be pulled free. While it has at least one humanoid corpse in its body, the corpse flower can use a bonus action to do one of the following: The corpse

M14. Orrery of Tragedies

Compendium - Sources->Dungeons & Dragons->The Wild Beyond the Witchlight

of these letters rise from the contraption as it revolves. The whole device hums and crackles with lightning. Rising from the middle of the mechanism is an eighty-foot-tall copper pole made of eight

dozens of smaller objects joined together. To destroy the whole thing, at least eight of its components (not including the lightning rod) must be reduced to 0 hit points. Each component is a Large

The Mountain Door

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a2

Dexterity (Acrobatics) check to move along the bridge had failed by 5 or more. If an intruder gets at least two-thirds of the way across the bridge, one orc breaks cover to move through the double doors into

by the orc eye of Gruumsh from area 9. 5. Orc Cave The walls and floor of this natural cave have been carefully smoothed. You can discern at least four routes leading off into darkness. Red coals glow

Mine Locations

Compendium - Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden

or raised. The true monster of the mine reveals itself M7. Bucket Lift Landing The mechanism creaks as the bucket lift descends to the floor of a small cave where two dusty tunnels lead in opposite

. If more than one character enters the cavern, the grell won’t attack and tries to stay hidden. If the characters leave the cave, it follows them, always staying at least 30 feet away. When an

47. Elemental Cells

Compendium - Sources->Dungeons & Dragons->Tomb of Annihilation

causes the secret door in the south wall to slide shut and lock. No keyhole or visible opening mechanism can be found on the secret door. The secret door remains sealed until the characters escape from

creature reduced to 0 hit points by this damage is ground to a pulp. A creature that passes through the rollers with at least 1 hit point remaining lands on an iron grate 5 feet below the grinders. A

Wyrmheart Mine

Compendium - Sources->Dungeons & Dragons->Tomb of Annihilation

passes through the tunnel mouth has a 50 percent chance to trip it and trigger two mechanisms. The first mechanism is a spring-loaded wooden contraption resembling a claw that swings out from the wall of

later, the second mechanism releases a 5-foot-diameter stone sphere that drops into the cave (marked T on the map) and rolls into the wooden claw across the tunnel mouth, which is demolished by the

Areas of the Air Temple

Compendium - Sources->Dungeons & Dragons->Princes of the Apocalypse

Charisma (Intimidation) check. Stone Wheels. The stone wheels operate an elaborate mechanism beneath the floor in this dungeon complex. The mechanism controls how much water fills the moat (area A11

air cult suffers at least one loss each week to the umber hulk, which is devious enough to cover its tunnels. Treasure Searching through the ruined villa uncovers 92 gp, a miniature electrum anvil

Locations on the Second Level

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a6

at hand—a weapon that can be employed only by a creature at least as strong and massive as he is. He has a +13 bonus to hit with the weapon, and it deals 28 (3d12 + 9) slashing damage on a hit. His

to exposure to drow poison (see “Sample Poisons” in chapter 8 of the Dungeon Master’s Guide). The mechanism for this trap is inside the chest, thus it cannot be detected from the outside. A character

Zorzula's Rest Locations

Compendium - Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk

Persuasion) check or a bribe worth at least 25 gp. If the characters threaten violence, the goblins attack. Three rounds later, reinforcements from area Z3 arrive. Z2: Vestibule Dim blue light bathes

track. Each mine cart is meant to be self-propelled. A character who examines the mine carts and succeeds on a DC 10 Intelligence (Investigation) check uncovers the carts’ main propulsion mechanism: dull

Keep Locations

Compendium - Sources->Dungeons & Dragons->Princes of the Apocalypse

gatehouse features doors that lead out to the tops of the walls to the north and to the east. Stairs lead down to the floor below. A chain mechanism in the northern half of the room positioned over the main

, most of these warriors are asleep in their bunks, but the cultists post a watch in this room throughout the night. At least two bandits remain awake and armed at all times. Sleeping cultists sleep

Locations on the Entrance Level

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a6

) check, a character can spot alterations to the lock and hinges that are part of the trap mechanism. A successful DC 20 Dexterity check by someone using thieves’ tools can be used to disable the hinge

mechanism. If the trap goes off but the blade misses, it chops through 2 cubic feet of the silk, ruining it. Trunk 5 is locked. It contains eight pieces of rare wood, each the size of a mace and inlaid

Ziggurat Locations, Tiers 1–3

Compendium - Sources->Dungeons & Dragons->Quests from the Infinite Staircase

operate the shifting wall in area B21. Additionally, if at least one character joins the faction, Auriga gifts the party a Wand of Secrets from a hidden niche in the altar. The Mages of Usamigaras and

on a DC 13 Intelligence (Investigation) check learns that the statue’s wand controls a mechanism in the wall. A character who succeeds on this check by 5 or more also knows the correct direction to

The Fissure

Compendium - Sources->Dungeons & Dragons->Acquisitions Incorporated

city rulers abandoned the plan, and the gate was sealed. Or at least that’s what everyone thought. A character who succeeds on a DC 18 Intelligence (Arcana, Nature, or Religion) check can sense that

which hangs some kind of construct gearwork mechanism ending in a massive maul. The wall to the left of the altar has fallen in to spread rubble across the floor. On the floor near the altar is a golden

D&D Beyond

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