cause wall rounds

Tsunami

Spells Player’s Handbook

deals on later rounds is reduced by 1d10. When the wall reaches 0 feet in height, the spell ends. A creature caught in the wall can move by swimming. Because of the wave’s force, though, the

A wall of water springs into existence at a point you choose within range. You can make the wall up to 300 feet long, 300 feet high, and 50 feet thick. The wall lasts for the duration. When the wall

Wall of Stone

Spells Player’s Handbook

a panel to 0 Hit Points destroys it and might cause connected panels to collapse at the DM’s discretion. If you maintain your Concentration on this spell for its full duration, the wall becomes permanent and can’t be dispelled. Otherwise, the wall disappears when the spell ends.

A nonmagical wall of solid stone springs into existence at a point you choose within range. The wall is 6 inches thick and is composed of ten 10-foot-by-10-foot panels. Each panel must be contiguous

Control Water

Spells Player’s Handbook

repeat the same effect or choose a different one. Flood. You cause the water level of all standing water in the area to rise by as much as 20 feet. If you choose an area in a large body of water, you

separated water forms a wall to either side. The trench remains until the spell ends or you choose a different effect. The water then slowly fills in the trench over the course of the next round until

Helm of Brilliance

Magic Items Dungeon Master’s Guide

to cause one weapon you are holding to burst into flames. The flames emit Bright Light in a 10-foot radius and Dim Light for an additional 10 feet. The flames are harmless to you and the weapon. When

specified type as a component: Daylight (opal), Fireball (fire opal), Prismatic Spray (diamond), or Wall of Fire (ruby). The gem is destroyed when the spell is cast and disappears from the helm

Wall of Water

Spells Elemental Evil Player's Companion

disadvantage on the attack roll, and fire damage is halved if the fire effect passes through the wall to reach its target. Spells that deal cold damage that pass through the wall cause the area of the wall

You create a wall of water on the ground at a point you can see within range. You can make the wall up to 30 feet long, 10 feet high, and 1 foot thick, or you can make a ringed wall up to 20 feet in

Claugiyliamatar (possessed)

Monsters Divine Contention

(losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row: Grasping roots and vines erupt in a 20

uses this lair action again or when the dragon dies. A wall of tangled brush bristling with thorns springs into existence on a solid surface within 120 feet of the dragon. The wall is up to 60 feet long

Claugiyliamatar

Monsters Storm King's Thunder

their lairs with vegetation. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same

effect two rounds in a row: Grasping roots and vines erupt in a 20-foot radius centered on a point on the ground that the dragon can see within 120 feet of it. That area becomes difficult terrain, and

Hierophant Medusa

Monsters The Book of Many Things

with advantage.Sometimes deeply devout people, usually either Humanoids or medusas, dedicate themselves to a cause and are transformed by a deity or magic into hierophant medusas—beings with

; the medusa can’t take the same lair action two rounds in a row: Petrifying Wave. Up to three creatures the medusa can see within the lair are partially turned to stone. Each target must make a

The Gardener

Monsters Quests from the Infinite Staircase

rounds in a row: Plant Walk. The Gardener moves up to their speed into the space of a Medium or larger plant within the lair, then teleports to an unoccupied space within 5 feet of any other Medium

or larger plant within the lair. Vine Wall. A wall of grasping vines appears on the ground within 120 feet of the Gardener. The wall is up to 60 feet long, 10 feet high, and 5 feet thick, and it

Vanifer

Monsters Princes of the Apocalypse

): counterspell, fireball, hypnotic pattern 4th level (3 slots): wall of fire 5th level (2 slots): dominate personMultiattack. Vanifer makes two attacks. Tinderstrike. Melee or Ranged Weapon Attack: +9

action to cast one of her spells, up to 3rd level, without using components or a spell slot. She can’t cast the same spell two rounds in a row, although she can continue to concentrate on a

Githzerai Anarch

Monsters Mordenkainen Presents: Monsters of the Multiverse

invulnerability, plane shift, wall of forceThe githzerai can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another

count 20 (losing initiative ties), the anarch can take one of the following lair actions; the anarch can’t take the same lair action two rounds in a row: Create Object. The anarch casts the

Diderius

Monsters Tyranny of Dragons

magic 4th level (3 slots): fire shield, greater invisibility 5th level (2 slots): cloudkill, wall of stoneMultiattack. Diderius can use his Dreadful Glare and makes one attack with his rotting fist

encountered in its lair has a challenge rating of 16 (15,000 XP). Lair Actions On initiative count 20 (losing initiative ties), the mummy lord takes a lair action to cause one of the following effects

Lorthuun

Monsters Out of the Abyss

ties), the beholder can take one lair action to cause one of the following effects: A 50-foot square area of ground within 120 feet of the beholder becomes slimy; that area is difficult terrain until

starts its turn within 10 feet of such a wall must succeed on a DC 15 Dexterity saving throw or be grappled. Escaping requires a successful DC 15 Strength (Athletics) or Dexterity (Acrobatics) check. An

Imix

Monsters Princes of the Apocalypse

hit with spell attacks). He can innately cast the following spells, requiring no material components: At will: fireball, wall of fire 3/day each: fire storm, haste, teleport Magic Resistance. Imix

(such as the Weeping Colossus in chapter 5). On initiative count 20 (losing initiative ties), Imix uses his lair action to cause one of the following effects: Any fires in the lair flare up

Mighty Fortress

Spells Xanathar's Guide to Everything

. The turrets are connected to each other by stone walls that are each 80 feet long, creating an enclosed area. Each wall is 1 foot thick and is composed of panels that are 10 feet wide and 20 feet

tall. Each panel is contiguous with two other panels or one other panel and a turret. You can place up to four stone doors in the fortress’s outer wall. A small keep stands inside the enclosed

Centaur Legacy

Species Guildmasters’ Guide to Ravnica

, until the next wall looms in their path and brings them to a stop. Nature’s Cavalry Centaurs have the upper bodies, down to the waist, of muscular humans, displaying all the human variety of skin

the laboratories of the Simic. Centaurs celebrate life and growth, and the birth of a foal is always cause for festivities. At the same time, they revere the traditions of the past, and among both

Ogrémoch

Monsters Princes of the Apocalypse

innately cast the following spells, requiring no material components: At will: meld into stone, move earth, wall of stone Legendary Resistance (3/Day). If Ogrémoch fails a saving throw, he can

count 20 (losing initiative ties), Ogrémoch uses his lair action to cause one of the following effects: A 10-foot-radius area of rocky or earthy ground within 60 feet of Ogrémoch turns

Elder Tempest

Monsters Mordenkainen Presents: Monsters of the Multiverse

(Costs 2 Actions). The tempest can cause a bolt of lightning to strike a point on the ground anywhere under its storm. Each creature within 5 feet of that point must make a DC 20 Dexterity saving throw

be flung up to 60 feet in a direction away from the line. If a thrown target collides with an immovable object, such as a wall or floor, the target takes 3 (1d6);{"diceNotation":"1d6","rollType

Baphomet Legacy

Monsters Out of the Abyss

each: dispel magic, dominate beast, hunter's mark, maze, wall of stone 1/day each: teleport Labyrinthine Recall. Baphomet can perfectly recall any path he has traveled, and he is immune to the maze

, populated by minotaur;minotaurs, goristro;goristros, and quasit;quasits. Lair Actions On initiative count 20 (losing initiative ties), Baphomet can take a lair action to cause one of the following

Scion of Stronmaus

Monsters Bigby Presents: Glory of the Giants

cloud up to 30 feet and cause one of the following effects in a 30-foot-radius, 120-foot-high cylinder directly below it; the scion can’t choose the same effect two rounds in a row: Acid Rain

’s not particularly interested in Humanoids or other little creatures—either in conversing with them or in protecting them from harm it might cause. If the scion is threatened, it unleashes

Fraz-Urb'luu Legacy

Monsters Out of the Abyss

of their holy cause, only to eventually reveal his true nature and claim their souls as his own.Fraz-Urb’luu’s Lair Fraz-Urb’luu’s lair lies within the Abyssal lair known as

(62,000 XP) when he’s encountered in his lair. Lair Actions On initiative count 20 (losing initiative ties), Fraz-Urb’luu can take a lair action to cause one of the following effects; he can

Yeenoghu Legacy

Monsters Out of the Abyss

flail attacks. If an attack hits, he can cause it to create an additional effect of his choice or at random (each effect can be used only once per Multiattack): 1. The attack deals an extra 13 (2d12

of civilization on his layer of the Abyss. Lair Actions On initiative count 20 (losing initiative ties), Yeenoghu can take a lair action to cause one of the following effects; he can’t use the

Zariel

Monsters Mordenkainen Presents: Monsters of the Multiverse

evil and good, fireball, invisibility (self only), major image, wall of fire 3/day each: blade barrier, dispel evil and good, finger of death Teleport. Zariel teleports, along with any equipment

’s wall—the dying remains of those who failed to impress the archdevil. The stronghold, covering five square miles, is surrounded by walls reinforced with high turrets. Devils of all kinds

Halaster Blackcloak

Monsters Waterdeep: Dungeon of the Mad Mage

terrain, polymorph 5th level (3 slots): Bigby's hand, geas, wall of force 6th level (2 slots): chain lightning, globe of invulnerability, programmed illusion 7th level (2 slots): finger of death

(losing initiative ties), Halaster takes a lair action to cause one of the following effects: Halaster targets a volume of unoccupied space or solid stone no larger than four 10-foot cubes within 30

Olhydra

Monsters Princes of the Apocalypse

spells, requiring no material components: At will: wall of ice 3/day: ice storm 1/day: storm of vengeance Legendary Resistance (3/Day). If Olhydra fails a saving throw, she can choose to succeed

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

Arcturia

Monsters Waterdeep: Dungeon of the Mad Mage

initiative ties), the lich can take a lair action to cause one of the following magical effects; the lich can’t use the same effect two rounds in a row: The lich rolls a d8 and regains a spell

Valindra Shadowmantle

Monsters Tomb of Annihilation

the lich’s work. A lich encountered in its lair has a challenge rating of 22 (41,000 XP). Lair Actions On initiative count 20 (losing initiative ties), the lich can take a lair action to cause

one of the following magical effects; the lich can’t use the same effect two rounds in a row: The lich rolls a d8 and regains a spell slot of that level or lower. If it has no spent spell

Zikzokrishka

Monsters Candlekeep Mysteries

, Zikzokrishka can take a lair action to cause one of the following effects. She can’t use the same effect two rounds in a row: Part of the ceiling collapses above one creature that Zikzokrishka

Nintra Siotta

Monsters Candlekeep Mysteries

schemes of others? No one is my equal in cunning.”On initiative count 20 (losing initiative ties) Nintra can take a lair action to cause one of the following effects; she can’t use the same

effect two rounds in a row: Nintra targets one pane of shadow glass in her lair, causing it to explode into shards. Each creature within 20 feet of the exploding pane must make a DC 18 Dexterity

Ringlerun

Monsters The Wild Beyond the Witchlight

","rollDamageType":"lightning"} lightning damage; 5 charges), magic missile (1 charge), ray of enfeeblement (1 charge), or wall of force (5 charges).Ringlerun became an adventurer to better satisfy his craving for

described here. (The other members, who do not appear in this adventure, are busy elsewhere.) Strongheart is always on the lookout for courageous heroes who are willing to devote themselves to a good cause. Only good-aligned characters are allowed to join Valor’s Call.

Exethanter

Monsters Curse of Strahd

its lair has a challenge rating of 22 (41,000 XP). Lair Actions On initiative count 20 (losing initiative ties), Exethanter can take a lair action to cause one of the following magical effects

; Exethanter can’t use the same effect two rounds in a row: Exethanter rolls a d8;{"diceNotation":"1d8","rollType":"roll","rollAction":"Spell Slot Level"} and regains a spell slot of that level or

Mighty Servant of Leuk-o

Magic Items Tasha’s Cauldron of Everything

soul of the mighty warlord Leuk-o was drawn into the artifact and has become its animating force. The servant has been known to attack or move of its own accord, particularly if doing so will cause

, the servant’s two crew members can cause it to explode. The self-destruct code is not revealed to crew members when they attune to the artifact. If the code is discovered (the DM determines how

Geryon

Monsters Mordenkainen Presents: Monsters of the Multiverse

: alter self (can become Medium when changing his appearance), detect magic, ice storm, invisibility (self only), locate object, suggestion, wall of ice 1/day: banishment Teleport. Geryon magically

following lair actions; he can’t take the same lair action two rounds in a row: Banish. Geryon casts the banishment spell. Chill Blast. Geryon causes a blast of cold to burst from the ground

Elder Brain

Monsters Mordenkainen Presents: Monsters of the Multiverse

ties), an elder brain can take one of the following lair actions; the elder brain can’t take the same lair action two rounds in a row: Force Wall. The elder brain casts wall of force. Psionic

Demogorgon Legacy

Monsters Out of the Abyss

bulk of this palace extends deep underwater, in chill and darkened caverns. Lair Actions On initiative count 20 (losing initiative ties), Demogorgon can take a lair action to cause one of the

following effects; Demogorgon can’t use the same effect two rounds in a row: Demogorgon creates an illusory duplicate of himself, which appears in his own space and lasts until initiative count 20

D&D Beyond

Search Results