bad 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

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.

Catoblepas

Monsters Mordenkainen Presents: Monsters of the Multiverse

necrotic damage. The target dies if reduced to 0 hit points by this ray.The catoblepas is as loathsome as the vile swamplands in which it lives, a conglomeration of bloated buffalo, dinosaur, warthog

the creature has such a feared reputation that stories about it are ingrained in the popular culture. Any rumor of a catoblepas taking up residence nearby is taken to be a bad omen, even if the rumor is

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

Leonin

Species Mythic Odysseys of Theros

need in their shimmering homeland and knowing the treachery of strangers. Still, some leonin wonder what lies beyond Oreskos’s border mountains and seek to test themselves in a wider world

adversaries—incredibly clever and well-prepared to play a long game but ultimately doomed to lose their games. 4 I’m certain every bad thing that happens can ultimately be blamed on the

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

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

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

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

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

Olhydra

Monsters Princes of the Apocalypse

hit points for each elemental she summons. Summoned elementals have maximum hit points, appear within 100 feet of Olhydra, and disappear if Olhydra is reduced to 0 hit points.Olhydra can take 3

— bad weather, strong tides, and increasing aggression from dangerous sea life. Violent downpours become frequent within 10 miles of the lair. A downpour occurs once every 2d12;{"diceNotation

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

6. Meat Locker

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