could reveal ground to have 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

creature must succeed on a Strength (Athletics) check against your spell save DC to move at all. If it fails the check, it can’t move. A creature that moves out of the wall falls to the ground.

Wish

Spells Player’s Handbook

space that you can see on the ground. Instant Health. You allow yourself and up to twenty creatures that you can see to regain all Hit Points, and you end all effects on them listed in the Greater

a reroll of any die roll made within the last round (including your last turn). Reality reshapes itself to accommodate the new result. For example, a Wish spell could undo an ally’s failed

Narycrash

Equipment

, and you descend 60 feet per round and take no damage from falling. When you are 10 feet away from the ground, roll a d20. If you roll a 5 or less, the parachute gives out, and you begin to fall normally.

Earthbind

Spells Elemental Evil Player's Companion

0 feet for the spell’s duration. An airborne creature affected by this spell safely descends at 60 feet per round until it reaches the ground or the spell ends.

Flying Citadel Helm

Magic Items Dragonlance: Shadow of the Dragon Queen

begins to crumble. If the crumbling citadel is in the air, it descends at a rate of 30 feet per round, or 300 feet per minute. Any creature on the citadel or on the ground within 120 feet of the citadel

flying citadel helm to move the citadel through the air, up to 80 feet per round, or up to 8 miles per hour. You can steer the citadel, albeit in a somewhat clumsy fashion, in much the way that a rudder

Scion of Thrym

Monsters Bigby Presents: Glory of the Giants

);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Glacial Upheaval"}. The scion digs its hands into the ground at a point it can see within 30 feet of itself and launches a magically conjured mass of

much damage and is pushed to the nearest unoccupied space outside the cylinder with no additional effects. At the start of the scion’s next turn, a mass of ice plummets to the ground on a point

Claugiyliamatar (possessed)

Monsters Divine Contention

underground city known as Southkrypt. For centuries, Kryptgarden Forest has been the home and hunting ground of the ancient female green dragon Claugiyliamatar, better known to many as Old Gnawbone. She

-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 each creature there must succeed on a DC 15 Strength saving throw

Claugiyliamatar

Monsters Storm King's Thunder

home and hunting ground of the ancient female green dragon Claugiyliamatar, better known to many as Old Gnawbone. She earned her nickname from her habit of gnawing on old kills, and is often seen

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

Juiblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

Juiblex chooses within the lair. The slime disintegrates after 1 hour. Slippery Slime. Juiblex slimes a square area of ground it can see within the lair. The area can be up to 10 feet on a side. When

after 1 round. Any creature that starts its turn in the burning slime takes 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollAction":"Slippery Slime","rollDamageType":"fire"} fire damage. Sticky

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

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

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

Riverine

Monsters Journeys through the Radiant Citadel

. The riverine conjures swampy ground that briefly covers the ground in a 20-foot square the riverine can see within 120 feet of itself. That area becomes difficult terrain until initiative count

20 on the next round. Any creature, other than the riverine, that enters the affected area or starts its turn there takes 7 (2d6);{"diceNotation":"2d6","rollType":"damage","rollAction":"River's

Cradle of the Frost Scion

Monsters Bigby Presents: Glory of the Giants

frigid air to freeze foes in place. If the cradle is destroyed, its icy body shatters to reveal the awakened scion of Thrym inside it. Forming a double-bladed axe in its hand, the 70-foot-tall scion

rushes at any foe that dares to challenge it. Emulating sagas of Thrym, the scion can achieve a tremendous feat of strength: creating a glacier in the ground and hurling it skyward, along with any

Greater Star Spawn Emissary

Monsters Van Richten’s Guide to Ravenloft

. Warp Space (Costs 2 Actions). The emissary causes the ground in a 20-foot square that it can see within 90 feet of it to turn into teeth and maws until the start of its next turn. The area becomes

lost all hope, do emissaries reveal their actual, impossible forms. Forms of the Emissary Star spawn emissaries can assume two forms: a Lesser Star Spawn Emissary;lesser form suited to infiltration and

Banner of the Krig Rune

Magic Items Storm King's Thunder

Crafted from a thick, red fabric, this banner measures 5 feet high and 3 feet wide. The krig (war) rune is displayed on the fabric with round, metal plates sewn into it. It can be attached to a 10

rest. Gift of Battle. You can transfer the banner’s magic to a place by tracing the krig rune on the ground with your finger. The point where you trace it becomes the center of a spherical

Juiblex Legacy

Monsters Out of the Abyss

initiative ties), Juiblex can take a lair action to cause one of the following effects; it can’t use the same effect two rounds in a row: Juiblex slimes a square area of ground it can see within the

. If the slime is set on fire, it burns away after 1 round. Any creature that starts its turn in the burning slime takes 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollAction":"Burning Slime

Zariel

Monsters Mordenkainen Presents: Monsters of the Multiverse

. Zariel prefers to create images of intruders’ loved ones being burned alive. Zariel doesn’t need to concentrate on the spells, which end on initiative count 20 of the next round. Each

ground. Any creature or object that touches the flame takes 7 (2d6);{"diceNotation":"2d6", "rollType":"damage", "rollAction":"Pyres", "rollDamageType":"fire"} fire damage, though it can take this

Aarakocra Legacy

Species Elemental Evil Player's Companion

. Beak and Feather From below, aarakocra look much like large birds. Only when they descend to roost on a branch or walk across the ground does their humanoid appearance reveal itself. Standing

people forced to live and toil on the ground. Avian Mannerisms The resemblance of aarakocra to birds isn’t limited to physical features. Aarakocra display many of the same mannerisms as

Klauth

Monsters Storm King's Thunder

lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row: Magma erupts from a point on the ground the dragon can see within 120 feet of it

than the dragon on the ground in that area must succeed on a DC 15 Dexterity saving throw or be knocked prone. Volcanic gases form a cloud in a 20-foot-radius sphere centered on a point the dragon can

Imix

Monsters Princes of the Apocalypse

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

are caught in the path of a wildfire moving 50 feet per round. Each character must succeed on a DC 21 Constitution saving throw or take 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollAction

Dyrrn

Monsters Eberron: Rising from the Last War

can’t use the same effect two rounds in a row: Dyrrn uses its Corruption action. A 30-foot-square area of ground within 120 feet of Dyrrn sprouts tentacles until initiative count 20 on the

next round. Any creature that starts or ends its turn in the area must succeed on a DC 23 Strength saving throw or be restrained. A creature can escape the tentacles with a successful DC 23 Strength

Strahd von Zarovich

Monsters Curse of Strahd

reduction lasts until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0. A humanoid slain in this way and then buried in the ground rises the following night as a

incapacitated. On initiative count 20 (losing initiative ties), Strahd can take one of the following lair action options, or forgo using any of them in that round: Until initiative count 20 of the next round

Arasta

Monsters Mythic Odysseys of Theros

ground ripples and bursts over the monster, revealing itself as a wave of countless spiders. The tiny arachnids swarm the larger horror, girding it in skittering bodies. Fighting Arasta as a mythic

the webs can be anchored between two solid masses (such as walls or trees). The webs are flammable. Any webs exposed to fire burn away in 1 round. Any destroyed webs are magically repaired at the

Zargon the Returner

Monsters Quests from the Infinite Staircase

takes its turn immediately after Zargon’s. Only a Wish spell can reverse this transformation and restore the creature to life.Zargon can take up to three reactions per round but only one per turn

lower affecting the targets end. Sucking Slime. Zargon creates a 20-foot-radius puddle of slime on the ground centered on a point within the lair. The slime is difficult terrain, and each creature in

Adult Emerald Dragon

Monsters Fizban's Treasury of Dragons

; preference for volcanic lairs often puts them in conflict with fire giant;fire giants. Despite their reluctance to reveal themselves to strangers, emerald dragons might approach experienced

succeed on a DC 15 Wisdom saving throw or be charmed by the dragon until initiative count 20 on the next round. A creature charmed in this way obeys to the best of its ability any command the dragon

Ancient Emerald Dragon

Monsters Fizban's Treasury of Dragons

volcanic lairs often puts them in conflict with fire giant;fire giants. Despite their reluctance to reveal themselves to strangers, emerald dragons might approach experienced adventurers in the hopes

within range of the dragon’s telepathy. The creature must succeed on a DC 15 Wisdom saving throw or be charmed by the dragon until initiative count 20 on the next round. A creature charmed in

Water Walk Legacy

Spells Basic Rules (2014)

This spell grants the ability to move across any liquid surface--such as water, acid, mud, snow, quicksand, or lava--as if it were harmless solid ground (creatures crossing molten lava can still take

damage from the heat). Up to ten willing creatures you can see within range gain this ability for the duration. If you target a creature submerged in a liquid, the spell carries the target to the surface of the liquid at a rate of 60 feet per round.

Adult Copper Dragon Legacy

Monsters Basic Rules (2014)

treasure is hidden. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects: The dragon chooses a point on the ground that

it can see within 120 feet of it. Stone spikes sprout from the ground in a 20-foot radius centered on that point. The effect is otherwise identical to the spike growth spell and lasts until the dragon

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

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 each creature there must succeed on a DC 15

. 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);{"diceNotation":"4d8","rollType":"damage

Ancient Copper Dragon Legacy

Monsters Basic Rules (2014)

: The dragon chooses a point on the ground that it can see within 120 feet of it. Stone spikes sprout from the ground in a 20-foot radius centered on that point. The effect is otherwise identical to

the spike growth spell and lasts until the dragon uses this lair action again or until the dragon dies. The dragon chooses a 10-foot-square area on the ground that it can see within 120 feet of it

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

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 each creature there must succeed on a DC 15 Strength

, 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);{"diceNotation":"4d8","rollType":"damage

Adult Red Dracolich Legacy

Monsters Monster Manual (2014)

one of the following effects; the dracolich can’t use the same effect two rounds in a row: Magma erupts from a point on the ground the dracolich can see within 120 feet of it, creating a 20

one. A tremor shakes the lair in a 60-foot radius around the dracolich. Each creature other than the dracolich on the ground in that area must succeed on a DC 15 Dexterity saving throw or be knocked

Adult Red Dragon Legacy

Monsters Basic Rules (2014)

point on the ground the dragon can see within 120 feet of it, creating a 20-foot-high, 5-foot-radius geyser. Each creature in the geyser’s area must make a DC 15 Dexterity saving throw, taking

lair in a 60-foot radius around the dragon. Each creature other than the dragon on the ground in that area must succeed on a DC 15 Dexterity saving throw or be knocked prone. Volcanic gases form a

Ancient Red Dragon Legacy

Monsters Basic Rules (2014)

erupts from a point on the ground the dragon can see within 120 feet of it, creating a 20-foot-high, 5-foot-radius geyser. Each creature in the geyser’s area must make a DC 15 Dexterity saving

shakes the lair in a 60-foot radius around the dragon. Each creature other than the dragon on the ground in that area must succeed on a DC 15 Dexterity saving throw or be knocked prone. Volcanic gases

Tsunami Legacy

Spells Player’s Handbook (2014)

must succeed on a 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 force of the wave, though, the creature must make a successful Strength (Athletics) check against your spell save DC in order to move at all. If it fails the check, it can’t move. A creature that moves out of the area falls to the ground.

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