could wall round

Tsunami

Spells Player’s Handbook

Strength saving throw or take 5d10 Bludgeoning damage. A creature can take this damage only once per round. At the end of the turn, the wall’s height is reduced by 50 feet, and the damage the wall

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

Web

Spells Player’s Handbook

the webs aren’t anchored between two solid masses (such as walls or trees) or layered across a floor, wall, or ceiling, the web collapses on itself, and the spell ends at the start of your next

no longer Restrained. The webs are flammable. Any 5-foot Cube of webs exposed to fire burns away in 1 round, dealing 2d4 Fire damage to any creature that starts its turn in the fire.

Control Water

Spells Player’s Handbook

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

Claugiyliamatar (possessed)

Monsters Divine Contention

foot a creature travels through the wall, it must spend 4 feet of movement. Furthermore, a creature in the wall’s space must make a DC 15 Dexterity saving throw once each round it’s in

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

wall, it must spend 4 feet of movement. Furthermore, a creature in the wall’s space must make a DC 15 Dexterity saving throw once each round it’s in contact with the wall, taking 18 (4d8

check and succeeds. The roots and vines wilt away when the dragon uses this lair action again or when the dragon dies. A wall of tangled brush bristling with thorns springs into existence on a solid

The Gardener

Monsters Quests from the Infinite Staircase

(as an action), TeleportThe Gardener can take up to three reactions per round but only one per turn. Pacification. When a creature within 120 feet of the Gardener damages the Gardener, that creature

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

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

on the next round. Each undead in the lair has advantage on saving throws against effects that turn undead until initiative count 20 on the next round. Until initiative count 20 on the next round

Hierophant Medusa

Monsters The Book of Many Things

on initiative count 20 on the following round. Sudden Stonework. The medusa creates a wall of stone on a solid surface it can see within the lair. The wall can be up to 60 feet long, 20 feet high

, and 1 foot thick. Each 5-foot section of the wall has an AC of 17; 30 hit points; vulnerability to thunder damage; and immunity to poison, psychic, and slashing damage. A creature in the wall’s

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

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

Lorthuun

Monsters Out of the Abyss

initiative count 20 on the next round. Walls within 120 feet of the beholder sprout grasping appendages until initiative count 20 on the round after next. Each creature of the beholder's choice that

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

initiative count 20 of the next round. Creatures and objects within or beyond the smoke are heavily obscured. A creature that enters the cloud of embers for the first time on a turn or starts its turn

Adult Crystal Dragon