conceal rounds ground to have reflection

Mirage Arcane

Spells Player’s Handbook

appearance of structures or add them where none are present. The spell doesn’t disguise, conceal, or add creatures. The illusion includes audible, visual, tactile, and olfactory elements, so it can

turn clear ground into Difficult Terrain (or vice versa) or otherwise impede movement through the area. Any piece of the illusory terrain (such as a rock or stick) that is removed from the spell

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

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.

Oil

Equipment

an Oil flask on level ground to cover a 5-foot-square area within 5 feet of yourself. If lit, the oil burns until the end of the turn 2 rounds from when the oil was lit (or 12 seconds) and deals 5 Fire

Ogrémoch

Monsters Princes of the Apocalypse

, and the affected creature can’t benefit from being invisible. Stomp (Costs 2 Actions). Ogrémoch stomps the ground, creating an earth tremor that extends in a 30-foot radius. Other

creatures standing on the ground in that radius must succeed on a DC 23 Dexterity saving throw or fall prone. Create Gargoyle (Costs 3 Actions). Ogrémoch’s hit points are reduced by 50 as he

Claugiyliamatar

Monsters Storm King's Thunder

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

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

Mirror of Reflected Pasts

Magic Items Dragonlance: Shadow of the Dragon Queen

harmlessly floats to the ground. Once the mirror has been deactivated, it can’t be activated again until the next dawn. If a non-Construct creature other than you sees its reflection in the activated

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

concealed behind waterfalls, or partly submerged caverns that can be accessed through lakes or streams. Others conceal the entrances to their lairs with vegetation. Lair Actions On initiative count 20

Star Spawn Mangler

Monsters Mordenkainen Presents: Monsters of the Multiverse

attacks.A mangler is a low-slung, creeping horror with multiple gangly arms—it most often has six arms but can have any number from four to eight. Manglers creep along the ground or the walls

, sticking to shadows and hiding in spots that seem too shallow or well-lit to conceal anything. They appear smaller than their true size, thanks to their hunched posture and emaciated frames. Cultists

Orcus Legacy

Monsters Out of the Abyss

creatures whose combined average hit points don’t exceed 500. These undead magically rise up from the ground or otherwise form in unoccupied spaces within 300 feet of Orcus and obey his commands

. A Taste of Undeath. Orcus casts chill touch (17th level). Creeping Death (Costs 2 Actions). Orcus chooses a point on the ground that he can see within 100 feet of him. A cylinder of swirling

Orcus

Monsters Mordenkainen Presents: Monsters of the Multiverse

creatures whose combined average hit points don’t exceed 500. These creatures magically rise up from the ground or otherwise form in unoccupied spaces within 300 feet of Orcus and obey his commands

Tail or Necrotic Bolt attack. Creeping Death (Costs 2 Actions). Orcus chooses a point on the ground that he can see within 100 feet of him. A cylinder of swirling necrotic energy 60 feet tall and

Riverine

Monsters Journeys through the Radiant Citadel

). Lair Actions On initiative count 20 (losing initiative ties), the riverine can take one of the following lair actions; the riverine can’t take the same lair action two rounds in a row

. 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

Yeenoghu Legacy

Monsters Out of the Abyss

same effect two rounds in a row. Yeenoghu causes an iron spike—5 feet tall and 1 inch in diameter—to burst from the ground at a point he can see within 100 feet of him. Any creature in

hands before ripping out its throat with his teeth.Yeenoghu’s Lair Yeenoghu’s lair in the Abyss is called the Death Dells, its barren hills and ravines serving as one great hunting ground

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

hunting ground, where he pursues captured mortals in a cruel game. Yeenoghu’s lair is a place of blood and death, populated by gnoll;gnolls, hyena;hyenas, and ghoul;ghouls (see the Monster Manual

initiative count 20 (losing initiative ties), Yeenoghu can take one of the following lair actions; he can’t take the same lair action two rounds in a row: Incite the Pack. Until the next initiative

Gar Shatterkeel

Monsters Princes of the Apocalypse

stand and move on liquid surfaces as if they were solid ground. Watery Fall. When Gar drops to 0 hit points, his body collapses into a pool of inky water that rapidly disperses. Anything he was wearing

, without using components or a spell slot. He can’t cast the same spell two rounds in a row, but he can continue to concentrate on a spell he previously cast using a lair action. He can take no other

Valindra Shadowmantle

Monsters Tomb of Annihilation

half as much damage on a successful one.With her ability to appear as a living elf, Valindra can easily conceal her lichdom and her association to Thay. She presents herself as a scholarly wizard who

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

Summon Greater Demon

Spells Xanathar's Guide to Everything

rounds if it still has hit points. As part of casting the spell, you can form a circle on the ground with the blood used as a material component. The circle is large enough to encompass your space

Zorak Lightdrinker

Monsters Waterdeep: Dungeon of the Mad Mage

amount. The reduction lasts until the target finishes a long rest. The target dies if this effect reduces its hit point maximum to 0. A humanoid slain in this way and then buried in the ground rises

in 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Children of the Night"} rounds, acting as allies of Zorak and obeying his spoken commands. The beasts remain for 1 hour, until Zorak dies

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

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

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

Imix

Monsters Princes of the Apocalypse

":"Wildfire","rollDamageType":"fire"} fire damage. A wildfire continues to threaten the characters for 1d10;{"diceNotation":"1d10","rollType":"roll","rollAction":"Wildfire Rounds"} rounds or until they

get out of its path. Wooden structures caught in the wildfire are destroyed. Lava fountains erupt from the ground within 1 mile of Imix’s lair. Every hour, there is a ten percent;{"diceNotation

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

disappears. The beholder can't repeat an effect until they have all been used, and it can't use the same effect two rounds in a row. Regional Effects A region containing a beholder's lair is warped by

Nintra Siotta

Monsters Candlekeep Mysteries

; Bond. “I have many supporters in the Gloaming Court who worship the ground I walk on. They deserve a sovereign who is worthy of their love.” Flaw. “Why should I worry about the

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

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

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

Square","rollDamageType":"fire"} fire damage. Juiblex slimes a square area of ground it can see within the lair. The area can be up to 10 feet on a side. The slime lasts for 1 hour or until it is

Hythonia

Monsters Mythic Odysseys of Theros

ground in a 30-foot radius centered on her. The area becomes difficult terrain until the start of her next turn. Any creature, other than Hythonia, takes 9 (2d8);{"diceNotation":"2d8","rollType":"damage

cracks, turns a lifeless gray, and shatters! The monster crumbles to dust—but what clatters to the ground isn’t scale and bone, but hollow stone. The sound of rippling coils precedes the

Geryon

Monsters Mordenkainen Presents: Monsters of the Multiverse

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

Baphomet Legacy

Monsters Out of the Abyss

magical effects; he can’t use the same effect two rounds in a row: Baphomet seals one doorway or other entryway within the lair. The opening must be unoccupied. It is filled with solid stone for

;The world is my hunting ground. Others are my prey.” 61–80 “Hate comes easily to me and explodes into rage.” 81–00 “I see those who oppose me not as

Nurvureem

Monsters Princes of the Apocalypse

following effects; the dragon can’t use the same effect two rounds in a row: Pools of water that the dragon can see within 120 feet of it surge outward in a grasping tide. Any creature on the ground

Zariel

Monsters Mordenkainen Presents: Monsters of the Multiverse

’t take the same lair action two rounds in a row: Fireball. Zariel casts the fireball spell. Infernal Illusions. Zariel casts the major image spell four times, targeting different areas with it

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

Geryon (Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

one of the 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 at a point he can see within 120 feet of him. The cold fills a cube, 10 feet on each side, centered on that point. Each creature in that area must succeed on a DC 21 Constitution saving throw

Malaxxix

Monsters The Book of Many Things

(losing initiative ties), Malaxxix can take one of the following lair actions; Malaxxix can’t take the same lair action two rounds in a row: Reassemble. Malaxxix chooses either itself or the

palanquin. The target gains 19 (3d12);{"diceNotation":"3d12", "rollType":"roll", "rollAction":"Reassemble"} temporary hit points. Slam. Malaxxix commands the palanquin to slam the ground. Each creature

Scion of Stronmaus

Monsters Bigby Presents: Glory of the Giants

caused by the scion’s restless sleep has little effect on the world. If it drifts too near the ground or the ocean surface, it causes mighty storms or fierce maelstroms. A scion’s slumber

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

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

Ancient Dragon Turtle

Monsters Fizban's Treasury of Dragons

indeed, legends suggest that many unwitting sailors wrecked at sea have mistaken slumbering dragon turtles for solid ground. Ancient dragon turtles might sleep for years or decades while floating

following lair actions; the dragon turtle can’t take the same lair action two rounds in a row: Blasting Current. A strong water current moves through the dragon turtle’s lair. Each creature

Keresta Delvingstone

Monsters Waterdeep: Dungeon of the Mad Mage

the ground rises the following night as a vampire spawn under Keresta's control. Charm. Keresta targets one humanoid it can see within 30 feet of it. If the target can see Keresta, the target must

centipede;giant centipedes. The called creatures arrive in 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Children of the Night"} rounds, acting as allies of Keresta and obeying her spoken

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