blocks border diffusing ceiling reduced

Living Demiplane

Monsters Icewind Dale: Rime of the Frostmaiden

solid surface, such as a wall, ceiling, or floor. If it has no surface to attach to, the living spell is destroyed (see “Planar Destruction” below). Extradimensional Chamber. When the living spell

, target, or deal damage to the living spell; however, they can damage the room around them. Each 5-foot-square section of ceiling, wall, and floor in the chamber has AC 17, 50 hit points, immunity to poison

The Gardener

Monsters Quests from the Infinite Staircase

condition (escape DC 17). The vine vanishes when the target is no longer grappled, or when the Gardener wills it to (no action required). A creature reduced to 0 hit points by the vine has the

carrying, to an unoccupied space they can see within 15 feet. A creature reduced to 0 hit points by the psychic damage has the unconscious condition and is stable instead of dying. Spell Refuge. When

Transcendent Order Conduit

Monsters Planescape: Adventures in the Multiverse

reactions per round but only one per turn. Deflect Attack. In response to being hit by an attack roll, the conduit partially deflects the blow. The damage the conduit takes from the attack is reduced by 1d10

Transcendent Order train to act without thinking, eliminating thought behind action. Conduits react with the cadence of the multiverse. Their sharp reflexes border on precognition, allowing them to unconsciously act before their foes.

Rime Hulk

Monsters Bigby Presents: Glory of the Giants

save, the creature takes 22 (4d10);{"diceNotation":"4d10", "rollType":"damage", "rollAction":"Trail of Frost", "rollDamageType":"cold"} cold damage, and its speed is reduced by 10 feet until the start

who withdrew from the world and succumbed to their elemental nature. Most rime hulks dwell in the Frostfell, the “plane of ice” that forms the border between the Elemental Planes of Air and

Leedara

Monsters Dragonlance: Shadow of the Dragon Queen

the Material Plane while she is in the Border Ethereal, and vice versa, yet she can’t affect or be affected by anything on the other plane. Horrifying Visage. Each non-undead creature within 60

transformation ends if Leedara is reduced to 0 hit points or uses an action to end it.Leedara died during the Cataclysm over three hundred years ago. Once an elven priest, Leedara witnessed her companion and

Otyugh Mutate

Monsters Phandelver and Below: The Shattered Obelisk

":"roll", "rollAction":"Bite"} on a failure. On a successful save, the target is no longer poisoned. The target dies if its hit point maximum is reduced to 0. This reduction to the target’s hit

the Underdark. However, their efforts always proved fruitless, and eventually the mind flayers gave up their schemes. Several common types of mutates exist. The individuals with stat blocks presented

Agony the Ghost

Monsters Spelljammer: Adventures in Space

object. Crew of the Last Breath. The following rules apply to Agony the ghost: As long as the Last Breath has at least 1 hit point, the ghost can’t be permanently slain. If the ghost is reduced

Plane, or vice versa. It is visible on the Material Plane while it is in the Border Ethereal, and vice versa, yet it can't affect or be affected by anything on the other plane. Horrifying Visage

Bones of the Earth

Spells Elemental Evil Player's Companion

reduced to 0 hit points, a pillar crumbles into rubble, which creates an area of difficult terrain with a 10-foot radius that lasts until the rubble is cleared. Each 5-foot-diameter portion of the area

save. If a pillar is prevented from reaching its full height because of a ceiling or other obstacle, a creature on the pillar takes 6d6 bludgeoning damage and is restrained, pinched between the

Warforged Colossus

Monsters Eberron: Rising from the Last War

much damage on a successful one. A creature reduced to 0 hit points by this beam is disintegrated, leaving behind anything it was wearing or carrying.In the final days of the Last War, House Cannith

use its Stomp action, but makes three extra turret attacks when it takes the Multiattack action option. “Landro” (Colossus WX-33) is partially phased into a mountainside on the border of

Adult Amethyst Dragon

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

the air is cool and slightly damp. Glowing Crystals. Large clusters of glowing amethyst crystals grow out from the walls and ceiling, casting dim light in a 30-foot radius. Chimneys. Two chimneys

Nass Lantomir's Ghost

Monsters Icewind Dale: Rime of the Frostmaiden

","rollDamageType":"necrotic"} necrotic damage. Etherealness. The ghost enters the Ethereal Plane from the Material Plane, or vice versa. It is visible on the Material Plane while it is in the Border

Zelennor, watches over the wizard’s frozen remains. It uses the weasel stat block in the Monster Manual but is a fey instead of a beast. If Zelennor is reduced to 0 hit points, Nass’s

Ancient Amethyst Dragon

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

ceiling, casting dim light in a 30-foot radius. Chimneys. Two chimneys connect the main caves to the three chambers above. Each chimney appears to continue up through the ceiling of the upper level and

Ancient Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

. Change Shape. The dragon magically transforms into any creature that is Medium or Small, while retaining its game statistics (other than its size). This transformation ends if the dragon is reduced to 0

or ambush visitors if the need arises. A well-cultivated lair abounds with Underdark fungi and plants, with the floor, walls, and ceiling covered in carpets of mold and moss, or featuring larger

Juiblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

of the following lair actions; it can’t take the same lair action two rounds in a row: Green Slime. A green slime (see the Dungeon Master’s Guide) appears on a spot on the ceiling that

critical hit or is reduced to 0 hit points, it sprays acid; each creature within 5 feet of it takes acid damage equal to its number of Hit Dice. Acid, Poison; Bludgeoning, Piercing, and Slashing that is NonmagicalCold, Fire, Lightning

Adult Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

. The dragon magically transforms into any creature that is Medium or Small, while retaining its game statistics (other than its size). This transformation ends if the dragon is reduced to 0 hit points

that allow them to escape or ambush visitors if the need arises. A well-cultivated lair abounds with Underdark fungi and plants, with the floor, walls, and ceiling covered in carpets of mold and moss

Hierophant Medusa

Monsters The Book of Many Things

DC 15 Constitution saving throw. On a failed save, a target’s speed is reduced to 0 and can’t increase. On a successful save, its speed is halved. The target’s speed returns to normal

a surface such as a ceiling with no way to remain there (for example, sufficient handholds), it falls at the end of this movement. Regional Effects The region containing a medusa’s lair is

30. Iron Barrier

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

the tunnel continues onward. The minotaur face is etched into both sides of a 1-inch-thick, sharp-edged iron sheet that blocks the crawlway. The holes that form the eyes are 2 inches wide. The

characters can use spells such as gaseous form and misty step to move past the iron sheet. Any character who examines the barrier discovers that it slides up into the ceiling. Coiled springs provide

2. Entrance Chamber

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

2. Entrance Chamber Partition walls made of tight-fitting sandstone blocks support the ceiling of this chamber, which contains a 20-foot-high hill of sand. Twenty feet above the top of the mound is a

gaping hole in the ceiling that leads outside. The hole lets in bright sunlight during the day and dim moonlight at night. The light doesn’t extend beyond the room. Iymrith uses this hole to enter

Random Obstacles

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

progress and must be hacked down (25 percent chance of a mold or fungus dungeon hazard hidden among them) 17 Poisonous gas (deals 1d6 poison damage per minute of exposure) 18 Reverse gravity effect causes creatures to fall toward the ceiling 19 Wall of fire blocks passage 20 Wall of force blocks passage

Blade barrier blocks passage 4–8 Cave-in 9–12 Chasm 1d4 × 10 ft. wide and 2d6 × 10 ft. deep, possibly connected to other levels of the dungeon 13–14 Flooding leaves 2d10 ft. of water in the area; create

X19. Potion Storage

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

X19. Potion Storage Stone blocks resembling tables stand in the center of this room covered in dust. Carved into the stone walls are niches filled with hundreds of dusty bottles. Cobwebs hang from

wooden ladders that lean against the walls. The ceiling here is 15 feet high. The bottles contain the dried-up remains of potions that lost their efficacy long ago. The ladders were once used to reach

Court of Orestes Features

Compendium - Sources->Dungeons & Dragons->Mythic Odysseys of Theros

Court of Orestes Features Beyond the entrance along the Khystonos River, the Court of Orestes is a crumbling, centuries-old tomb. Inside, its walls are made of thick stone blocks, and the ceiling is

Clock Tower Bridge

Compendium - Sources->Dungeons & Dragons->Infernal Machine Rebuild

ruins of an ancient city. All that remains are worn flagstones covered in moss and lichen, toppled blocks of weathered stone, and a former tower fallen and now lying stretched across a fifty-foot-wide

of the chasm, the base of the fallen tower can be seen, reduced to a broken section of its former ground floor. Ruins This city once housed the Infernal Machine before Lum the Mad conquered those

23A. Triangular Stone

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

blocks the passage. The light ahead of you that you had been following is nowhere to be seen, as though it somehow passed through the pillar. The pit is 10 feet deep and contains several humanoid

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

10. Dwarves' Den

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

10. Dwarves’ Den Tankard. A large iron tankard sculpture has torn loose from the 30-foot-high ceiling and fallen onto a stone table in the middle of the room, cracking it in half. Toppled stools

surround the broken table. Statues. Two 4-foot-tall statues of dwarves stand atop 2-foot-high blocks of stone at opposite ends of the room. The head of the southern statue has broken off and lies on the

X34. Wizard's Bedchamber

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

furnishings have been reduced to dust-covered heaps. Cobwebs cover arcane sigils carved into the walls. The ceiling here is 10 feet high. The sigils that cover the walls were once wards designed to

Ancient Dragon Turtle

Monsters Fizban's Treasury of Dragons

Amphibious. The dragon turtle can breathe air and water Blessing of the Sea (Recharges after a Short or Long Rest). If the dragon turtle would be reduced to 0 hit points, its current hit point total

use the stat blocks in this section for older or younger dragon turtles. In addition, chapter 5 includes lair actions and regional effects that can be used for adult or ancient dragon turtles. An

Delerium Chip Legacy

Equipment

, delerium shatters and crumbles into worthless ash when reduced to zero hit points. However, delerium geodes release a random arcane anomaly (see Dungeons of Drakkenheim) when destroyed. Delerium

or a ceiling), which allows them to move as if they were climbing. Unattended objects float around randomly. 2 The nearest creature is affected by a hideous laughter spell (Save DC 15) but

Delerium Geode Legacy

Equipment

, delerium shatters and crumbles into worthless ash when reduced to zero hit points. However, delerium geodes release a random arcane anomaly (see Dungeons of Drakkenheim) when destroyed. Delerium

or a ceiling), which allows them to move as if they were climbing. Unattended objects float around randomly. 2 The nearest creature is affected by a hideous laughter spell (Save DC 15) but

Delerium Massive Cluster Legacy

Equipment

, delerium shatters and crumbles into worthless ash when reduced to zero hit points. However, delerium geodes release a random arcane anomaly (see Dungeons of Drakkenheim) when destroyed. Delerium

or a ceiling), which allows them to move as if they were climbing. Unattended objects float around randomly. 2 The nearest creature is affected by a hideous laughter spell (Save DC 15) but

Transcendent Order Conduit

Compendium - Sources->Dungeons & Dragons->Planescape: Adventures in the Multiverse->Morte’s Planar Parade

border on precognition, allowing them to unconsciously act before their foes. Transcendent Order Conduit Small or Medium Humanoid, Any Alignment Armor Class 18 (Unarmored Defense) Hit Points 97

. Deflect Attack. In response to being hit by an attack roll, the conduit partially deflects the blow. The damage the conduit takes from the attack is reduced by 1d10. Don’t Be There. When the conduit

10. Chuth's Lair

Compendium - Sources->Dungeons & Dragons->Rise of Tiamat

comparison to what the cult claimed for Tiamat and what the dragon possesses in his other lairs. The vaulted ceiling is 60 feet high here. If Chuth is in the stronghold, he is initially found here only

of his total hoard, Chuth has no interest in dying to protect it. He flees when he is reduced to half his hit points or fewer. Neronvain fights until similarly reduced, then makes his way to Chuth

10. Chuth's Lair

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

comparison to what the cult claimed for Tiamat and what the dragon possesses in his other lairs. The vaulted ceiling is 60 feet high here. If Chuth is in the stronghold, he is initially found here only

of his total hoard, Chuth has no interest in dying to protect it. He flees when he is reduced to half his hit points or fewer. Neronvain fights until similarly reduced, then makes his way to Chuth

Delerium Crystal Legacy

Equipment

, delerium shatters and crumbles into worthless ash when reduced to zero hit points. However, delerium geodes release a random arcane anomaly (see Dungeons of Drakkenheim) when destroyed. Delerium

or a ceiling), which allows them to move as if they were climbing. Unattended objects float around randomly. 2 The nearest creature is affected by a hideous laughter spell (Save DC 15) but

Delerium Shard Legacy

Equipment

, delerium shatters and crumbles into worthless ash when reduced to zero hit points. However, delerium geodes release a random arcane anomaly (see Dungeons of Drakkenheim) when destroyed. Delerium

or a ceiling), which allows them to move as if they were climbing. Unattended objects float around randomly. 2 The nearest creature is affected by a hideous laughter spell (Save DC 15) but

Strahd Dies

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

Strahd Dies When Strahd is reduced to 0 hit points, he turns to mist and retreats to his coffin (see the Misty Escape feature in the vampire stat block). The vampire must be in his resting place to

Ravenloft trembles with fury, shaking dust from the ceiling of the vampire’s tomb. The shudders abate as Strahd’s burning hatred melts away, replaced at last with relief. The dark orbs of his eyes wither

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