ground course location

Rod of Alertness

Magic Items Dungeon Master’s Guide

following spells from it: Detect Evil and Good Detect Magic Detect Poison and Disease See Invisibility Protective Aura. As a Magic action, you can plant the haft end of the rod in the ground

throws and can sense the location of any Invisible creature that is also in the Bright Light. The rod’s head stops glowing and the effect ends after 10 minutes or when a creature takes a Magic

Teleportation Circle

Spells Player’s Handbook

As you cast the spell, you draw a 5-foot-radius circle on the ground inscribed with sigils that link your location to a permanent teleportation circle of your choice whose sigil sequence you know and

. You can create a permanent teleportation circle by casting this spell in the same location every day for 365 days.

Whelm

Magic Items Dungeon Master’s Guide

if the target is a Construct, an Elemental, or a Giant. Immediately after hitting or missing, the weapon flies back to your hand. Shock Wave. You can take a Magic action to strike the ground with

Whelm and send a shock wave out from the point of impact. Each creature of your choice on the ground within 60 feet of that point must succeed on a DC 20 Constitution saving throw or have the Stunned

Rod of Lordly Might

Magic Items Dungeon Master’s Guide

magnetic north. (Nothing happens if this function of the rod is used in a location that has no magnetic north.) The rod also gives you knowledge of your approximate depth beneath the ground or your

Wand of Wonder

Magic Items Dungeon Master’s Guide

This wand has 7 charges. While holding it, you can take a Magic action to expend 1 charge while choosing a point within 120 feet of yourself. That location becomes the point of origin of a spell or

. 61–64 Grass covers a 60-foot-radius circle of ground, with the center of that circle as close to the chosen point of origin as possible. Grass that’s already there grows to ten times its

Figurine of Wondrous Power

Magic Items Dungeon Master’s Guide

A Figurine of Wondrous Power is a statuette small enough to fit in a pocket. If you take a Magic action to throw the figurine to a point on the ground within 60 feet of yourself, the figurine becomes

ignore your orders, including a command to revert to figurine form. If you mount the nightmare while it is ignoring your orders, you and the nightmare are instantly transported to a random location on

Duergar Screamer

Monsters Mordenkainen Presents: Monsters of the Multiverse

creature.A duergar screamer uses sonic energy to grind rock into dust and to hurl invaders to the ground. Duergar Constructs Creative duergar engineers have built numerous war machines, including some

. Unless incapacitated, the duergar inside a machine can extricate themself from it over the course of a short rest, completing the process at the rest’s end.Poison

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

Navigation Orb

Magic Items Storm King's Thunder

A navigation orb is a hollow, 7-foot-diameter sphere of thin, polished mithral with a large skye (cloud) rune embossed on its outer surface. The orb levitates 10 feet above the ground and is keyed to

altitude and location remain fixed until the orb is returned or replaced. As an action, you can cause one of the following effects to occur if you are touching the orb: The castle moves at a

Reduced-threat Aboleth

Monsters Tales from the Yawning Portal

choose to be affected. Pools of water within 90 feet of the aboleth surge outward in a grasping tide. Any creature on the ground within 20 feet of such a pool must succeed on a DC 14 Strength saving

it within minutes. As an action, the aboleth can create an illusory image of itself within 1 mile of the lair. The copy can appear at any location the aboleth has seen before or in any location a

Soul Shaker

Monsters Journeys through the Radiant Citadel

","rollType":"roll","rollAction":"Reconstruction"}) days, if at least two of those crawling claw;crawling claws are alive, they teleport to the location of the soul shaker’s death and merge

escape, the soul shaker reforms over the course of days and begins hunting once more.PoisonNecroticConsume Vitality. The soul shaker targets a creature it is grappling. If the target is not a Construct or

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

Adult Lunar Dragon

Monsters Spelljammer: Adventures in Space

spent legendary actions at the start of its turn. Tail Attack. The dragon makes one Tail attack. Treacherous Ice. Magical ice covers the ground in a 20-foot radius centered on a point the dragon can

ancient or adult lunar dragon’s lair is warped by the dragon’s magic, which produces one or more of the following effects: Black Frost. A thin layer of black frost covers the ground

Ancient Lunar Dragon

Monsters Spelljammer: Adventures in Space

spent legendary actions at the start of its turn. Tail Attack. The dragon makes one Tail attack. Treacherous Ice. Magical ice covers the ground in a 20-foot radius centered on a point the dragon

covers the ground, which kills all ordinary plants growing within 6 miles of the lair if the dragon is ancient, or within 3 miles if the dragon is an adult. Haunting Moan. A haunting sound gets

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

, the flora and fauna return to normal levels, and its river dries out over the course of 1d10;{"diceNotation":"1d10","rollType":"roll","rollAction":"Regional Effect Fade Days"} days. All other effects

Yeenoghu Legacy

Monsters Out of the Abyss

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

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

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

. 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 the space where the spike emerges

Flying Citadel Helm

Magic Items Dragonlance: Shadow of the Dragon Queen

or oars can be used to maneuver a seafaring ship. At any time, you can see and hear from the highest point outside the citadel as though you were at that location. If no creature attuned to the

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

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

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 slime appears, each creature in that area must succeed on a DC 21 Strength

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

strike. Bite (Costs 2 Actions). Zorak makes one bite attack.A Vampire's Lair A vampire chooses a grand yet defensible location for its lair, such as a castle, fortified manor, or walled abbey. It hides

The Gardener

Monsters Quests from the Infinite Staircase

Fey Rebirth. If the Gardener dies in the Eternal Garden, they revive with all their hit points 1d4;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Fey Rebirth"} days later in a safe location

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

before, harmless slime might coat a statue, and so on. These effects apply only to natural surfaces and to nonmagical objects that aren't on anyone's person. If the beholder dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days.

Froghemoth

Monsters Mordenkainen Presents: Monsters of the Multiverse

chambers of metal buried in the ground from which froghemoths emerged, but no reliable reports of the location of such places exist. Every few years, a froghemoth can lay a fertile egg without mating

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

Graz'zt Legacy

Monsters Out of the Abyss

Zelatar, found within his Abyssal domain of Azzatar. Graz’zt’s maddening influence radiates outward in a tangible ripple, warping reality around him. Given enough time in a single location

hours. If Graz’zt dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Madness of Graz’zt If a creature goes mad in Graz’zt’s

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

Fraz-Urb'luu

Monsters Mordenkainen Presents: Monsters of the Multiverse

navigation in the area exceedingly difficult. If Fraz-Urb’luu dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Cultists of Fraz-Urb’luu Fraz

location of all illusions and hidden creatures within 15 feet of it. Poison; Bludgeoning, Piercing, and Slashing that is NonmagicalCold, Fire, Lightning

Ancient Time Dragon

Monsters Planescape: Adventures in the Multiverse

can see within 30 feet of itself. The portal links to a precise location on any plane of existence at a point in time up to 8,000 years from the present, whether past or future. The portal lasts for 24

area take 10 minutes or 2 hours (your choice). Timelessness. Beasts, Humanoids, and Plants within 3 miles of the lair age only 1 year for every 10 years that pass. If the dragon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days.

Valin Sarnaster

Monsters Candlekeep Mysteries

as the immortal heir of Savras’s realm. The Canopic Being came into her possession years ago, and an obsession with the dark rituals therein set the oracle on her present course. Valin has

effects; Valin can’t use the same effect two rounds in a row. Each undead creature in the lair can pinpoint the location of each living creature within 120 feet of it until initiative count 20

Baphomet Legacy

Monsters Out of the Abyss

be affected by this regional effect again for 24 hours. If Baphomet dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Madness of Baphomet If a

;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

Zariel

Monsters Mordenkainen Presents: Monsters of the Multiverse

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

cleared away. If Zariel dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days. Cultists of Zariel Zariel grants special abilities to

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

Graz'zt

Monsters Mordenkainen Presents: Monsters of the Multiverse

around him. Given enough time in a single location, Graz’zt can twist it with his power. Graz’zt’s lair is a den of ostentation and hedonism. It is adorned with finery and decorations

are made of stone or metal become highly reflective, as though polished to a shine. These surfaces become supernaturally mirrorlike. If Graz’zt dies, these effects fade over the course of 1d10

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

traveler somewhere in Stygia. If Geryon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Cultists of Geryon Geryon grants his cultists special

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