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Gas Spore Legacy

Monsters Monster Manual (2014)

Death Burst. The gas spore explodes when it drops to 0 hit points. Each creature within 20 feet of it must succeed on a DC 15 Constitution saving throw or take 10 (3d6);{"diceNotation":"3d6

infected creature's system, killing the creature in a number of hours equal to 1d12;{"diceNotation":"1d12","rollType":"roll"} + the creature's Constitution score, unless the disease is removed. In half that

Wizard

classes Basic Rules (2014)

circle in chalk on the bare stone floor, then sprinkles powdered iron along every line and graceful curve. When the circle is complete, he drones a long incantation. A hole opens in space inside the

circle, bringing a whiff of brimstone from the otherworldly plane beyond. Crouching on the floor in a dungeon intersection, a gnome tosses a handful of small bones inscribed with mystic symbols

Miirym

Monsters Candlekeep Mysteries

gas in a 90-foot cone. Each creature in that area must succeed on a DC 21 Constitution saving throw or be paralyzed for 1 minute. A creature can repeat the saving throw at the end of each of its turns

see.Well over 1,500 years ago, the silver dragon Miirym broke into Candlekeep, intent on adding its riches to her hoard. She devoured scholars and destroyed a score of irreplaceable books before she was

Olhydra

Monsters Princes of the Apocalypse

solid surface, such as a wall or floor, the creature takes 1d6;{"diceNotation":"1d6","rollType":"damage","rollDamageType":"bludgeoning"} bludgeoning damage for every 10 feet it was flung. Water to Acid

an Intelligence score of 2 or lower within 1 mile of the lair must succeed on a DC 15 Wisdom saving throw when they enter the area. If the saving throw succeeds, the creature is frightened and

Triton

Species Mordenkainen Presents: Monsters of the Multiverse

; oceans, protecting the surface from terrors in the deep. Over time, triton have extended their stewardship over the sea floor to the ocean’s surface. Tritons have webbed hands and feet, small

you select a fantastical race, follow these additional rules during character creation. Ability Score Increases When determining your character’s ability scores, increase one score by 2 and

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

Frightful Presence for the next 24 hours. Poison Breath (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Poison Breath"}. The dragon exhales poisonous gas in a 90--foot

breath. The moss-covered trees grow close together except where winding pathways trace their way like a maze into the heart of the forest. The light that reaches the forest floor carries an emerald

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

Frightful Presence for the next 24 hours. Poison Breath (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Poison Breath"}. The dragon exhales poisonous gas in a 60-foot cone

. The moss-covered trees grow close together except where winding pathways trace their way like a maze into the heart of the forest. The light that reaches the forest floor carries an emerald green cast

Claugiyliamatar

Monsters Storm King's Thunder

to the dragon's Frightful Presence for the next 24 hours. Poison Breath (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Poison Breath"}. The dragon exhales poisonous gas in a

reaches the forest floor carries an emerald green cast, and every sound seems muffled. At the center of its forest, a green dragon chooses a cave in a sheer cliff or hillside for its lair, preferring an

Gas Spore Fungus

Compendium - Sources->Dungeons & Dragons->Monster Manual

Gas Spore Fungus Gas spores are floating, orbicular fungi with rhizome growths and protuberances that resemble the stalks and eyes of beholders. If destroyed, a gas spore explodes in a poisonous

burst that can infect creatures and slay them in hours. Infected corpses spawn more gas spores that grow to full size in a matter of days. Gas Spore Fungus Large Plant, Unaligned AC 8 Initiative −5 (5

63. Gas-Filled Room

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

63. Gas-Filled Room This chamber is closed off and inaccessible most of the time. The characters can reach this area by reorienting the cogs so that a doorway opens up to area 58. Thick green gas

billows out of skull-shaped nozzles set into the walls of this cramped room. A rotting corpse clad in studded leather armor lies on the floor, mouth open and hands grasping its throat. Wrapped around one

8. Fungi Cavern

Compendium - Sources->Dungeons & Dragons->Lost Mine of Phandelver

or a light source. Poison Gas. Whenever a creature attempts to cross the cavern, the carpets of fungi that cover most of the floor release poisonous gas into the air. Each creature in the cavern must

of weird fungi cover large sections of the floor in this cavern. The growth includes puffballs a foot across, weird shelf fungus growing on stalagmites, and large stalks and caps a good five feet

9. Mustering Hall

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

filled with a corrosive gas that billows up through tiny holes in its floor. Any creature standing before the double doors when the pit opens must succeed on a DC 15 Dexterity saving throw or fall in

9. Mustering Hall Decor. Blunted picks hang with shields every 10 feet along the walls. Double Door. Dwarvish runes for strength and safety are etched in the floor in front of the double doors to

Gas Spore

Compendium - Sources->Dungeons & Dragons->Monster Manual (2014)

creature’s Constitution score, unless the disease is removed. In half that time, the creature becomes poisoned for the rest of the duration. After the creature dies, it sprouts 2d4 Tiny gas spores that

Gas Spore The first gas spores are thought to have been spawned from dead beholders, whose moldering corpses fed a parasitic fungus with aberrant magic. Having long since adapted into a unique plant

K38. False Treasury

Compendium - Sources->Dungeons & Dragons->Curse of Strahd

effect of the gas, the witches do not appear. The armored skeleton on the floor is all that remains of an adventurer. His corpse has nothing of value. Secret Doors This room is concealed behind two

K38. False Treasury Resting on the floor of this smoke-filled room is a closed chest surrounded by piles of gold, silver, and copper coins. The fittings and clawed feet on the chest are evidence of

E5: Planartarium Car

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

E5: Planartarium Car Glowing symbols on the floor line the perimeter of this domed car. In the middle of the car is a mechanical model suspended over a dais that has more glowing symbols on it. The

planes of existence by donating to this car. All proceeds benefit the establishment of order across the multiverse.” Before disappearing, the modron gestures toward a short tube protruding from the floor

18. Abandoned Priory

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

. LIGHTING AND PLUMBING All of the buildings in Wyllowwood’s village (areas 18–24) are equipped with wall-mounted, glass-bottled gas lamps fueled by natural gas vents under the village, along with

plumbing connected to the underground river nearby. The gas lamps are turned on and off by stone switches on the walls near the doors. Iron faucets control the flow of hot and cold water through iron pipes

23. False/True Door

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7

trapdoor in the floor of the corridor, requiring a successful DC 20 Wisdom (Perception) check to find. The trapdoor opens onto a steep flight of narrow stairs that spiral down to a 5-foot-wide tunnel

the north wall. When the doors to the north are opened, sleep gas billows forth from the other side. Each creature in the east-west passage must succeed on a DC 15 Constitution saving throw or fall

Modron Pentadrone

Compendium - Sources->Dungeons & Dragons->Monster Manual

, Lawful Neutral AC 16 Initiative +2 (12) HP 32 (5d10 + 5) Speed 40 ft. Ability Score Mod Save Str 15 +2 +2 Dex 14 +2 +2 Con 12 +1 +1 Ability Score Mod Save

. Paralysis Gas (Recharge 5–6). Constitution Saving Throw: DC 11, each creature in a 30-foot Cone. Failure: The target has the Paralyzed condition and repeats the save at the end of each of its turns, ending the effect on itself on a success. After 1 minute, it succeeds automatically. Julie Dillon

4. Shagambi's Shrine

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

one or more characters must have a combined Strength score of 20 or higher to push it open. 4B. Arena Gallery When one or more characters enter the shrine, read: Steps descend into a fifteen-foot-high

, moss-covered room. Four statues of Omuan warriors stand in alcoves to either side, overlooking a barred gladiatorial pit in the floor. Each statue looks like it was meant to hold a spear, but its

17. Main Entrance

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

after rolling initiative, the living unseen servants knock the green flasks off their pedestals, causing the containers to shatter on the floor and release their poison gas (which has no effect on

Flasks Uncorking or breaking a green flask releases a cloud of invisible poison gas called essence of ether. The gas fills a 10-foot-radius sphere and dissipates within seconds. Any creature in the cloud

35. I'jin's Tomb

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

sinks into the floor, creating an open passage to the tomb (area 35B). The “medallion” worn by the jackal-headed painting is actually a 6-inch-diameter gold disk engraved with the face of a horned devil

in place and its remaining seven hieroglyphs are hidden from view behind the medallion. If any character steps on a vulture floor tile in area 35B, the dial turns, revealing a new hieroglyph: a

28. The Arc of Nanahuatcin

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3

floor are several stone statues of baboon-like creatures, chipped and tipped over. The remains of a few once-living baboons, partially eaten, lie nearby, with fungus covering their corpses. As the area

is further penetrated, it is discerned that this was once a processional hall. Little remains to identify its past purpose except for a carving etched in the center of the worn floor that depicts a

25. School Supplies

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

are built over natural gas vents in the floor and never go out.) Guards. Two spectators float 15 feet above the floor. Supplies. Carved into the north wall are stone shelves with blank spellbooks

Beholder Lairs

Compendium - Sources->Dungeons & Dragons->Volo's Guide to Monsters

Gallery The main living area that the beholder uses is filled with objects that the creature enjoys looking at, such as art, statues, and its latest spoils of victory. The floor is uneven and difficult

chamber to hold captives that it chooses not to kill. The simplest kind of prison, easy enough for a beholder to create, typically consists of 20-foot-deep holes disintegrated into the floor

Puzzle Features

Compendium - Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything

than 20 pounds of weight are placed on it, activating the pressure plate underneath and causing jets of poisonous gas to spout from the cracks between the tiles. Any creature above the trapped floor

Puzzle Features The floor of this 60-foot-by-70-foot room is made of 5-foot-square stone tiles laid out in a grid. Each tile has a letter chiseled into it, as shown in puzzle handout 1 at the end of

Gorgon

Compendium - Sources->Dungeons & Dragons->Monster Manual

Gorgon Most gorgons are iron bulls wreathed in clouds of petrifying gas. Their metal plates vary in sheen and color, from sleek silver to pitted black. The oldest gorgons might be covered in rust

Initiative +0 (10) HP 114 (12d10 + 48) Speed 40 ft. Ability Score Mod Save Str 20 +5 +5 Dex 11 +0 +0 Con 18 +4 +4 Ability Score Mod Save Int 2 −4 −4 Wis

18. Corridor Protected by Fear Gas

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7

18. Corridor Protected by Fear Gas If the characters travel south from the secret door, they reach a landing at the top of a stairway. Stairs descend to the west. The corridor that extends past the

bottom of the steps is slightly cloudy. The corridor is filled with fear gas. Unless characters announce they are holding their breath before entering its 40-foot length, they will breathe in the gas

Random Traps

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)

from wall, floor, or object 28–30 Touching an object triggers a flesh to stone spell 31–33 Floor collapses or is an illusion 34–36 Vent releases gas: blinding, acidic, obscuring, paralyzing, poisonous

severity, see chapter 5. Trap Trigger d6 Trigger 1 Stepped on (floor, stairs) 2 Moved through (doorway, hallway) 3 Touched (doorknob, statue) 4 Opened (door, treasure chest) 5 Looked at (mural, arcane

15. The Great Hall

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3

. The hallway extends only 5 feet beyond the arch. The western wall is a cleverly painted mural designed to give the illusion of depth and reality, and the obscuring effect of the poison gas contributes

instead take 10 minutes to remove the plate from the floor, requiring the same sort of check as for an attempt to block the plate from moving. A failed check in this case means another 10 minutes of

17. Dangerous Paths

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

-high cave. Blood. Bloodstains on the floor hint at violent skirmishes that took place here in the past. Descending Tunnel. A tunnel to the west slopes steeply downward to level 4, area 1. House

mending cantrip, the statuette can be sold for 125 gp. It weighs 5 pounds. 17d. Nerozar the Defeated Floating in the middle of this 30-foot-high cavern is a beholder zombie named Nerozar and three gas

Example Complex Traps

Compendium - Sources->Dungeons & Dragons->Xanathar's Guide to Everything

cunningly hidden secret doors. The hallway is 20 feet wide and 160 feet long. It is mostly clear. After 80 feet, the floor is broken and cracked, becoming difficult terrain until the 130-foot mark

and initiative count 10. Active Elements. The Path of Blades includes a set of whirling blades along the first 80 feet of the trap, crushing pillars that slam down from the ceiling to the floor before

8. Courses of the Gods

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3

8. Courses of the Gods This room is wet, and the walls are covered with a slimy, white buildup. There is about an inch and a half of water and mud blanketing the floor. Many overturned pedestals and

pieces of broken statuary lie on the floor, partially buried in the mud. Opposite the entrance to this room is another door. Only one pedestal remains standing, in the northwest corner. On it sits a

8. Underwater Passage

Compendium - Sources->Dungeons & Dragons->Storm King's Thunder

Wisdom (Perception) score of 14 or higher spot the submerged tunnel as they cross or fly over the lagoon. From above, it looks like an opening where the side of the iceberg meets the floor of the lagoon.

The Winding Way

Compendium - Sources->Dungeons & Dragons->Ghosts of Saltmarsh

Winding Way are denoted by letters on the map. Each type is described below. A. Trip Wire A wire stretches across the floor at ankle height. A character who has a passive Perception score of 16 or higher

image cast at 6th level). A character who has a passive Perception score of 19 or higher notices the illusory floor shimmering slightly. A creature that falls into the pit takes 22 (4d10) acid damage

39. Chamber of the Second Sun

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3

down the banks and rocks in the walls shift slightly. There is no poison gas in the room, or in any of the upper areas (40 and higher), because the gas escapes out the hole in the ceiling. The floor

from a gaping hole in the east wall. Crushed beneath a fallen block in the center of the room are humanoid remains. Elsewhere around the floor are the chewed and decayed corpses of baboons. Through a

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