enters reduced

Caltrops

Equipment

As a Utilize action, you can spread Caltrops from their bag to cover a 5-foot-square area within 5 feet of yourself. A creature that enters this area for the first time on a turn must succeed on a DC

15 Dexterity saving throw or take 1 Piercing damage and have its Speed reduced to 0 until the start of its next turn. It takes 10 minutes to recover the Caltrops.

Tsunami

Spells Player’s Handbook

the wall appears, the wall, along with any creatures in it, moves 50 feet away from you. Any Huge or smaller creature inside the wall or whose space the wall enters when it moves 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 damage the wall

Blob of Annihilation

Monsters Monster Manual

Astral Implosion. If the blob is reduced to 0 Hit Points, it implodes and ejects any creatures and objects engulfed by it into the Astral Sea. The blob itself vanishes, leaving behind a layer of

moves up to its Speed and can move through the spaces of Huge or smaller creatures and objects. Strength Saving Throw: DC 23, each creature or object whose space the blob enters for the first time

Sphere of Annihilation

Magic Items Dungeon Master’s Guide (2024)

Bonus Action to cause it to move in one direction of your choice, up to a number of feet equal to 5 times your Intelligence modifier (minimum 5 feet). Any creature whose space the sphere enters must

succeed on a DC 19 Dexterity saving throw or be touched by it, taking 8d10 Force damage. A creature reduced to 0 Hit Points by this damage is obliterated, leaving its possessions behind but no other

Elemental Cataclysm

Monsters Monster Manual

damage, and the target has the Prone condition. Success: Half damage only. Failure or Success: The target’s Speed is reduced to 0 until the end of its next turn.3: Raging Storm. A storm cloud

cloud have the Blinded and Deafened conditions and can’t cast spells with a Verbal component. Dexterity Saving Throw: DC 23, each creature that enters the cloud for the first time on a turn or

Ogre Battering Ram

Monsters Mordenkainen Presents: Monsters of the Multiverse

can push the target 5 feet away if the target is a Huge or smaller creature.Block the Path. When a creature enters a space within 5 feet of the ogre, the ogre makes a Bash attack against that

creature. If the attack hits, the target’s speed is reduced to 0 until the start of the ogre’s next turn.An ogre battering ram carries an enormous club that’s primarily used for bashing

Living Demiplane

Monsters Icewind Dale: Rime of the Frostmaiden

enters another creature's space (or vice versa) for the first time on a turn, the other creature must succeed on a DC 10 Dexterity saving throw or be pulled into the living spell's extradimensional space

and psychic damage, and immunity to bludgeoning, piercing, and slashing damage that is nonmagical. If any section is reduced to 0 hit points, the living spell and its chamber are destroyed (see

Glaive

Monsters Vecna: Eve of Ruin

, and the target’s speed is reduced by 10 feet until the serrated bolt is removed. A target’s speed can be reduced by only one serrated bolt at a time. A creature can use its action to

Short or Long Rest). Glaive enters a state of overdrive that lasts for 1 minute or until she has the incapacitated condition. While in overdrive, Glaive gains the following benefits: Glaive has

Nightwalker

Monsters Mordenkainen Presents: Monsters of the Multiverse

","rollAction":"Annihilating Aura","rollDamageType":"necrotic"} necrotic damage. Undead are immune to this aura. Life Eater. A creature dies if reduced to 0 hit points by the nightwalker and can’t

or its hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the target finishes a long rest. The target dies if its hit point maximum is reduced to

Staff of Ruling

Magic Items Quests from the Infinite Staircase

ends, or when a creature enters the orb’s space or starts its turn there, the orb detonates in a 20-foot-radius sphere. Each creature in that area must make a DC 15 Dexterity saving throw, taking

location. If you use a bonus action to speak the command word again, or if the snake is reduced to 0 hit points, the snake reverts to staff form in its current space. Thunderclap. You point the

Rime Hulk

Monsters Bigby Presents: Glory of the Giants

any Medium or smaller creature. Each time the rime hulk enters another creature’s space for the first time during this move, that creature must make a DC 15 Constitution saving throw. On a failed

save, the creature takes 22 (4d10);{"diceNotation":"4d10", "rollType":"damage", "rollAction":"Trail of Frost", "rollDamageType":"cold"} cold damage, and its speed is reduced by 10 feet until the start

Leedara

Monsters Dragonlance: Shadow of the Dragon Queen

","rollType":"damage","rollAction":"Withering Touch","rollDamageType":"necrotic"} necrotic damage. Etherealness. Leedara enters the Ethereal Plane from the Material Plane, or vice versa. She is visible on

transformation ends if Leedara is reduced to 0 hit points or uses an action to end it.Leedara died during the Cataclysm over three hundred years ago. Once an elven priest, Leedara witnessed her companion and

Maschin-i-Bozorg

Monsters Quests from the Infinite Staircase

Overheat. When the maschin-i-bozorg is reduced to 0 hit points, its power source overloads, briefly superheating its outer shell. Each creature within 10 feet of the maschin-i-bozorg must make a DC

and smaller creatures’ spaces. A creature whose space the maschin-i-bozorg enters must make a DC 15 Dexterity saving throw. On a successful save, the creature is pushed to the nearest

Agony the Ghost

Monsters Spelljammer: Adventures in Space

object. Crew of the Last Breath. The following rules apply to Agony the ghost: As long as the Last Breath has at least 1 hit point, the ghost can’t be permanently slain. If the ghost is reduced

(4d6 + 3);{"diceNotation":"4d6+3","rollType":"damage","rollAction":"Withering Touch","rollDamageType":"necrotic"} necrotic damage. Etherealness. The ghost enters the Ethereal Plane from the Material

Traag Draconian

Monsters Monstrous Compendium Vol. 2: Dragonlance Creatures

, it subtracts up to 50 feet from the fall when calculating the fall’s damage. Death Throes. If the draconian is reduced to 0 hit points, its body erupts into sludge that fills a 10-foot-radius

its speed. The draconian can enter creatures’ spaces during this move. During this movement, when the draconian enters a creature’s space, the creature must make a DC 14 Dexterity saving

Aurnozci

Monsters The Book of Many Things

intruders in sight with reckless abandon. Cultists of Aurnozci Aurnozci grants its cultists the following trait: Burning Corpse. When the creature dies, its body is reduced to a pile of smoldering

"} fire damage when it enters the ashes’ space for the first time on a turn or starts its turn there. Aurnozci’s Lair Aurnozci’s lair is a layer of the Abyss called Xulregg. See

Juiblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

the slime appears, each creature on it must succeed on a DC 21 Dexterity saving throw or fall prone and slide 10 feet in a random direction determined by a d8 roll. When a creature enters the area for

saving throw or become restrained. When a creature enters the area for the first time on a turn or ends its turn there, that creature must make the same save. A restrained creature is stuck as long

The Gardener

Monsters Quests from the Infinite Staircase

condition (escape DC 17). The vine vanishes when the target is no longer grappled, or when the Gardener wills it to (no action required). A creature reduced to 0 hit points by the vine has the

carrying, to an unoccupied space they can see within 15 feet. A creature reduced to 0 hit points by the psychic damage has the unconscious condition and is stable instead of dying. Spell Refuge. When

Nass Lantomir's Ghost

Monsters Icewind Dale: Rime of the Frostmaiden

","rollDamageType":"necrotic"} necrotic damage. Etherealness. The ghost enters the Ethereal Plane from the Material Plane, or vice versa. It is visible on the Material Plane while it is in the Border

Zelennor, watches over the wizard’s frozen remains. It uses the weasel stat block in the Monster Manual but is a fey instead of a beast. If Zelennor is reduced to 0 hit points, Nass’s

Imix

Monsters Princes of the Apocalypse

of Imix, and disappear if Imix is reduced to 0 hit points.Imix 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

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

Olhydra

Monsters Princes of the Apocalypse

hit points for each elemental she summons. Summoned elementals have maximum hit points, appear within 100 feet of Olhydra, and disappear if Olhydra is reduced to 0 hit points.Olhydra can take 3

round. Creatures and objects within or beyond the fog are heavily obscured. A creature that enters the freezing cloud for the first time on a turn or starts its turn there takes 10 (3d6);{"diceNotation

Zuggtmoy

Monsters Mordenkainen Presents: Monsters of the Multiverse

, if it is reduced to 0 hit points, each creature within 10 feet of it takes poison damage equal to its number of Hit Dice. Poison; Bludgeoning, Piercing, and Slashing that is NonmagicalCold, Fire

appears, or that enters it later, must make a DC 19 Constitution saving throw. On a successful save, the creature can’t be infected by these spores for 24 hours. On a failed save, the creature is

Ancient Dragon Turtle

Monsters Fizban's Treasury of Dragons

Amphibious. The dragon turtle can breathe air and water Blessing of the Sea (Recharges after a Short or Long Rest). If the dragon turtle would be reduced to 0 hit points, its current hit point total

) 3 Curiosity. I want to know about everything that enters my domain, especially oddities from the surface world. (Any) 4 Supremacy. Creatures who refuse to recognize my rule over these waters

Tsunami Legacy

Spells Player’s Handbook (2014)

your turns after the wall appears, the wall, along with any creatures in it, moves 50 feet away from you. Any Huge or smaller creature inside the wall or whose space the wall enters when it moves

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

Night Hag Legacy

Monsters Basic Rules (2014)

form if she dies. Etherealness. The hag magically enters the Ethereal Plane from the Material Plane, or vice versa. To do so, the hag must have a heartstone in her possession. Nightmare Haunting (1/Day

circle. As long as the contact persists, the target has dreadful visions. If these visions last for at least 1 hour, the target gains no benefit from its rest, and its hit point maximum is reduced by 5

Night Hag (Coven Variant) Legacy

Monsters Monster Manual (2014)

magically enters the Ethereal Plane from the Material Plane, or vice versa. To do so, the hag must have a heartstone in her possession. Nightmare Haunting (1/Day). While on the Ethereal Plane, the

, the target has dreadful visions. If these visions last for at least 1 hour, the target gains no benefit from its rest, and its hit point maximum is reduced by 5 (1d10);{"diceNotation":"1d10","rollType

Incubus Legacy

Monsters Basic Rules (2014)

","rollType":"damage","rollAction":"Draining Kiss","rollDamageType":"psychic"} psychic damage on a failed save, or half as much damage on a successful one. The target's hit point maximum is reduced by

enters the Ethereal Plane from the Material Plane, or vice versa.Cold, Fire, Lightning, Poison; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

Succubus Legacy

Monsters Basic Rules (2014)

","rollType":"damage","rollAction":"Draining Kiss","rollDamageType":"psychic"} psychic damage on a failed save, or half as much damage on a successful one. The target's hit point maximum is reduced by

enters the Ethereal Plane from the Material Plane, or vice versa.Cold, Fire, Lightning, Poison; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

Leviathan Legacy

Monsters Mordenkainen’s Tome of Foes

leviathan partially freezes; until the end of its next turn, its speeds are reduced to 20 feet, and it makes attack rolls with disadvantage. Siege Monster. The leviathan deals double damage to objects and

the wall enters when it moves must succeed on a DC 24 Strength saving throw or take 27 (5d10);{"diceNotation":"5d10","rollType":"damage","rollDamageType":"bludgeoning"} bludgeoning damage. A creature

Corvodaemon

monsters

dissolves into ichor, and it gains a new body instantly, reviving with all its Hit Points somewhere in the Abyss. Devour Anima. A creature the corvodaemon reduced to 0 Hit Points is cursed until it

. Feeding Frenzy (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Feeding Frenzy"}. The corvodaemon enters a voracious feeding frenzy, driven by its insatiable hunger for souls

The White Worm

monsters

the Frightened condition until the start of the worm’s next turn. Success: Half damage only. Devour Mind (1/Day). The worm vanishes and magically enters the mind of a creature it can see within

spell can restore the lost memories. Devour Mind ends if the target is reduced to 0 Hit Points and the worm appears in an unoccupied space within 60 feet of the target. Devour Mind can also be ended in

Demilich Legacy

Monsters Monster Manual (2014)

Drain (Costs 2 Actions). Each creature within 30 feet of the demilich must make a DC 15 Constitution saving throw. On a failed save, the creature’s hit point maximum is magically reduced by 10 (3d6

);{"diceNotation":"3d6","rollType":"roll","rollAction":"Energy Drain"}. If a creature’s hit point maximum is reduced to 0 by this effect, the creature dies. A creature’s hit point maximum

Soulfire Stoker

monsters

corpses are reduced to ash, and larger corpses are partially incinerated and decrease one size. Fire Form. The stoker can move through a space as narrow as 1 inch without expending extra movement to

do so, and it can enter a creature’s space and stop there. The first time it enters a creature’s space on a turn, that creature takes 4 (1d8);{"diceNotation":"1d8", "rollType":"damage

Reveler of Stories

monsters

take Reaction;Reactions, and its AC is reduced by 4. Storied Form. The reveler takes on a specific form: Great Beast, Hero, or Witch. The form determines certain traits and the theme of stories the

Saving Throw: DC 17, each creature whose space the reveler enters. Failure: 26 (4d12);{"diceNotation":"4d12", "rollType":"damage", "rollAction":"Heroic Charge", "rollDamageType":"Force"} Force damage

Scalathrax

monsters

1 minute. While Poisoned in this way, the target’s Speed is reduced by 10 feet. As the end of each of its turns, the target repeats the saving throw, ending the Poisoned condition on itself on a

. Trigger: A creature the scalathrax can see enters a space within 5 feet of it. Response: The scalathrax makes a melee Quills attack against the creature.These slippery, scaly horrors dwell in

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