before being distance ceiling reduces

Piercer Legacy

Monsters Monster Manual (2014)

False Appearance. While the piercer remains motionless on the ceiling, it is indistinguishable from a normal stalactite. Spider Climb. The piercer can climb difficult surfaces, including upside down

piercer. Hit: 3 (1d6);{"diceNotation":"1d6","rollType":"damage","rollAction":"Drop","rollDamageType":"piercing"} piercing damage per 10 feet fallen, up to 21 (6d6);{"diceNotation":"6d6","rollType":"roll","rollAction":"Drop"}. Miss: The piercer takes half the normal falling damage for the distance fallen.

Piercer (Ice variant)

Monsters Icewind Dale: Rime of the Frostmaiden

False Appearance. While the ice piercer remains motionless on the ceiling, it is indistinguishable from a normal stalactite. Spider Climb. The ice piercer can climb difficult surfaces, including

","rollAction":"Drop","rollDamageType":"cold"} cold damage. Miss: The ice piercer takes half the normal falling damage for the distance fallen. Auril the Frostmaiden has transformed icicles into creatures that

Ancient Blue Dragon Legacy

Monsters Basic Rules (2014)

same effect two rounds in a row: Part of the ceiling collapses above one creature that the dragon can see within 120 feet of it. The creature must succeed on a DC 15 Dexterity saving throw or take 10

(3d6);{"diceNotation":"3d6","rollType":"damage","rollAction":"Ceiling Collapse","rollDamageType":"bludgeoning"} bludgeoning damage and be knocked prone and buried. The buried target is restrained and

Adult Blue Dragon Legacy

Monsters Basic Rules (2014)

effect two rounds in a row: Part of the ceiling collapses above one creature that the dragon can see within 120 feet of it. The creature must succeed on a DC 15 Dexterity saving throw or take 10

(3d6);{"diceNotation":"3d6","rollType":"damage","rollAction":"Ceiling Collapse","rollDamageType":"bludgeoning"} bludgeoning damage and be knocked prone and buried. The buried target is restrained and

Ulitharid Legacy

Monsters Volo's Guide to Monsters

Creature Sense. The ulitharid is aware of the presence of creatures within 2 miles of it that have an Intelligence score of 4 or higher. It knows the distance and direction to each creature, as well

ulitharid and the elder brain. The ulitharid can maintain its psychic link with the elder brain regardless of the distance between them, so long as they are both on the same plane of existence. If the

Iymrith

Monsters Storm King's Thunder

row: Part of the ceiling collapses above one creature that the dragon can see within 120 feet of it. The creature must succeed on a DC 15 Dexterity saving throw or take 10 (3d6);{"diceNotation":"3d6

","rollType":"damage","rollAction":"Collapsing Ceiling","rollDamageType":"bludgeoning"} bludgeoning damage and be knocked prone and buried. The buried target is restrained and unable to breathe or

Adult Brass Dragon Legacy

Monsters Basic Rules (2014)

’s desert lair is typically a ruin, canyon, or cave network with ceiling holes to allow for sunlight. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action

desert sands within 1 mile of the dragon’s lair. These illusions move and appear real, although they can do no harm. A creature that examines an image from a distance can tell it’s an

Brusipha

Monsters The Book of Many Things

spellcasting ability (spell save DC 13): At will: Prestidigitation, Speak with Animals 1/day each: Bestow Curse, Command, Crown of MadnessBaphomet’s Blessing. When Brusipha reduces a hostile

distance and direction to the target if it is on the same plane of existence. The link ends if Brusipha has the incapacitated condition or uses this ability on a different target.

Ancient Brass Dragon Legacy

Monsters Basic Rules (2014)

speed.A Brass Dragon’s Lair A brass dragon’s desert lair is typically a ruin, canyon, or cave network with ceiling holes to allow for sunlight. Lair Actions On initiative count 20 (losing

image from a distance can tell it’s an illusion with a successful DC 20 Intelligence (Investigation) check. Any physical interaction with an image reveals it to be an illusion, because objects pass

Astral Dreadnought Legacy

Monsters Mordenkainen’s Tome of Foes

resembles a stone cave roughly 1,000 feet in diameter with a ceiling 100 feet high. Like a stomach, it contains the remains of the dreadnought's past meals. The dreadnought can't be harmed from within

damage reduces it to 0 hit points or it is incapacitated, the astral dreadnought swallows it. The swallowed target, along with everything it is wearing and carrying, appears in an unoccupied space on

Ulitharid

Monsters Mordenkainen Presents: Monsters of the Multiverse

Creature Sense. The ulitharid is aware of the presence of creatures within 2 miles of it that have an Intelligence score of 4 or higher. It knows the distance and direction to each creature, as well

ulitharid and the elder brain. The ulitharid can maintain its psychic link with the elder brain regardless of the distance between them, so long as they are both on the same plane of existence. If the

Astral Dreadnought

Monsters Mordenkainen Presents: Monsters of the Multiverse

diameter with a ceiling 100 feet high. Like a stomach, it contains the remains of past meals. The dreadnought can’t be harmed from within the demiplane. If the dreadnought dies, the demiplane

", "rollAction":"Bite", "rollDamageType":"force"} force damage. If the target is a Huge or smaller creature and this damage reduces it to 0 hit points or it is incapacitated, the dreadnought swallows it. The

Baphomet

Monsters Mordenkainen Presents: Monsters of the Multiverse

action to land on a ceiling to attack targets flying near it. Seal the Way. Baphomet seals one doorway or other entryway within the lair. The opening must be unoccupied. It is filled with solid stone

distance and direction to the target if it is on the same plane of existence. The link ends if this creature is incapacitated or if it uses this ability on a different target. Incite the Hunters (Recharges

Belashyrra

Monsters Eberron: Rising from the Last War

successful one. If this damage reduces a creature to 0 hit points, it dies and transforms into a spectator under Belashyrra’s control and acts immediately after Belashyrra in the initiative order

perception. Each creature of Belashyrra’s choice in the lair must make a DC 22 Wisdom saving throw. On a failure, the affected creature perceives objects and creatures a short distance from their

40. Lynnorax's Lair

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

40. Lynnorax’s Lair Ceiling. This room has a 40-foot-high, domed ceiling. Dracolich. Lynnorax, an adult blue dracolich, faces the double door to the east and exhales lightning in that direction as

soon as it sees intruders. Pillars. The four pillars that buttress the ceiling are carved out of black crystal and inscribed with arcane runes. Lynnorax fights without fear, knowing that its

The Void

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

creature is raised from the dead by magic. The void already contains the souls of all those Charmayne killed, including King Jhaeros. Characters would be wise to keep their distance from the void. Any

creature that enters the void or starts its turn there takes 70 (20d6) necrotic damage. If this damage reduces the creature to 0 hit points, the creature, along with any nonmagical equipment it is

14. Auvryndar Watch Post

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

14. Auvryndar Watch Post Ceiling. The ceiling and floor in this area are uneven, the distance between them ranging from 20 to 40 feet. Three natural columns of rock support the roof. Scouts. Two

W15. Brown Mold

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

, ending at an archway beyond which lies a shallow cave. Characters who have a light source can see brown mold covering the walls, floor, and ceiling around the archway and the cave beyond. Growing

throughout this area, keeping the wine cellar cool, are ten patches of brown mold (see “Dungeon Hazards” in chapter 5, “Adventure Environments,” of the Dungeon Master’s Guide). The characters are safe from the mold as long as they keep their distance.

Perception

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

height. Lightly Obscured conditions reduce visibility: rain reduces maximum visibility to 1 mile, and fog reduces it to between 100 and 300 feet. Outdoor terrain determines the distance at which

Distance table can help you determine the hearing range, and the following sections address visibility. If one group tries to hide from the other, use the rules in the Player’s Handbook. Audible Distance

21. Animated Ballistae

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

21. Animated Ballistae Light. The arched, 30-foot-high ceiling of this long hall is studded with glowing red crystals that cast dim light throughout the hall. (Crystals pried out of their fixtures go

feet and is blind beyond this distance. It can’t be blinded, charmed, deafened, frightened, paralyzed, petrified, or poisoned, and it can’t right itself if knocked prone. As an action, it can fire a

12. Melairkyn Foundry

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

Dungeon Master’s Guide). 12a. Hell Hounds Ceiling. This hall has an arched, 30-foot-high ceiling. Hounds. Five hell hounds patrol the hall. They obey the commands of fire giants and attack intruders on

sight. Open Pits. Three 10-foot-square pits in the floor contain discarded scraps of metal. The pits are 70 feet deep but partially filled with scrap metal that reduces their effective depth. The

3. Boulderfall Hall

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

3. Boulderfall Hall The ceiling in this hall is 60 feet high, sloping down to 40 feet as it moves toward area 2. Although the ceiling remains level heading eastward, its distance from the floor

23A. Triangular Stone

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

skeletons. The triangular pillar’s apex points toward the pit. Scratches on the floor and ceiling, scribing short arcs on either side of it, are easy to see. Someone who examines the pillar notices that it

the will-o’-wisp in the distance. If the characters approach from the north, read: The hallway abruptly ends at a blank stone wall. If the wall is hammered on, it will sound solid. A character who

1. Cave Entrance

Compendium - Sources->Dungeons & Dragons->Tyranny of Dragons

1. Cave Entrance The entrance to the cave is broad and tall, but the ceiling quickly lowers to a height of 15 feet. Standing guard inside the entrance are two dragonclaws (see appendix D). They

position themselves about 30 feet inside the cave and stay near the walls and the column, so that while they aren’t hidden, they aren’t conspicuous, either. Characters who observe the cave from a distance

1. Cave Entrance

Compendium - Sources->Dungeons & Dragons->Hoard of the Dragon Queen

1. Cave Entrance The entrance to the cave is broad and tall, but the ceiling quickly lowers to a height of 15 feet. Standing guard inside the entrance are two dragonclaws (see appendix D). They

position themselves about 30 feet inside the cave and stay near the walls and the column, so that while they aren’t hidden, they aren’t conspicuous, either. Characters who observe the cave from a distance

2. Foyer

Compendium - Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft

2. Foyer Peeling wallpaper and a musty scent cling to the walls of this spacious foyer. A curving staircase rises from the cracked tile floor to a balcony above, keeping its distance from a darkened

cobwebs. The stairs climb to the balcony above (area 13). The ceiling here rises 20 feet from the floor. The statue is attached to the pedestal, which together weigh 800 pounds. Closet. A closet to the west

2. Stone Blocks

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

level. Characters who have a passive Wisdom (Perception) score of 14 or higher notice gaps in the ceiling, suggesting the presence of two hanging blocks of stone. Characters who search for traps and

the way takes 132 (24d10) bludgeoning damage and is knocked prone and pinned underneath the block, or crushed to a pulp if the damage reduces its hit points to 0. A creature pinned under a block is

22. Hook Horror Homestead

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

22. Hook Horror Homestead Cave Features. This cavern has an uneven floor and ceiling, the distance between them varying from 30 to 50 feet. The damp walls are lined with natural shelves and beautiful

5. Portcullises

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

). Using a torch or other open flame to thaw the ice around the lever (which takes at least 1 minute) reduces the DC to 20. Moving the lever to the up position causes the portcullis in area 5 to rise into

the ceiling, leaving an open doorway 30 feet high. Pushing the lever down causes the portcullis to lower back into place. It takes about 6 seconds to fall, allowing creatures underneath it time to get

Exploring the Town

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

ceiling is covered with a forest of stalactites. Most of the lanterns that once illuminated Skullport are gone, turned to rust or stolen by thieves long ago. Denizens carry their own light sources or rely

on darkvision to see. Flameskulls are often mistaken from a distance for bobbing torches as they drift through town. View Player Version The town has no general store, and some merchandise that is

20. Hidden Helm

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

ceiling. It has these features: Spelljamming Helm. In the middle of the room is a gilded wooden throne with a cushioned seat and backrest covered in black velvet sewn with silver stars. This high-backed

, 200-pound chair is the helm of the Scavenger, which was stolen by Halaster from the ship of the same name (see level 19, area 13). Sensors. Near the ceiling float four invisible scrying sensors

Arriving at the Casino

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

declaring, “This way to the Afterlife!” in gaudy, gold lettering, with an arrow pointing down the narrower branch. Characters who follow this route for a short distance come to a cobbled turnaround and lot

tiefling directs them down a brightly lit row of docks, where boats wait to take the characters downriver. The casino’s entrance is visible a short distance away, where the river enters a wide

8. Egg Chamber

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

points to reach the eggs. Traversing the strands is slow going; each 1 foot of distance costs 3 feet of movement. Anyone fighting or taking strenuous action atop a strand must succeed on a DC 10

7. Geysers and Chains

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a4

7. Geysers and Chains The door opens onto a stone platform in a large natural cave. Opposite the entrance in the distance is another stone platform. Between them, a series of wooden disks is

suspended from the ceiling by massive steel chains. The cave floor seems to be covered by a pool of boiling mud. The ceiling is 50 feet above the level of the platforms. The cave floor is 50 feet below

2. What Is Dead May Never Die

Compendium - Sources->Dungeons & Dragons->Locathah Rising

blind. The encounter distance is reduced to 10 feet in these instances (see “Unusual Environments” in chapter 5 of the Dungeon Master’s Guide). For characters with a magical light source or darkvision

, the water is considered to be clear. Sea Floor. The sea floor here is compacted sand with some small stone outcroppings, though none big enough to stand on. Ceiling Height. The ceiling of the coral

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