match some with only are fails for lasts

Hag Eye

Magic Items Dungeon Master’s Guide

the Hag Eye sees if the hag and the Hag Eye are on the same plane of existence. This effect lasts as long as the hag maintains Concentration. Multiple hags in the coven can see through the Hag Eye

the Incapacitated condition. If the hags take any other actions during this rite, the rite fails and ends.

Contagion

Spells Player’s Handbook

successes or failures. If the target succeeds on three of these saves, the spell ends on the target. If the target fails three of the saves, the spell lasts for 7 days on it. Whenever the Poisoned target

Ancient Copper Dragon

Monsters Monster Manual

Legendary Resistance (4/Day, or 5/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes three Rend attacks. It can replace one attack with a

, not both. This effect lasts until the end of its next turn. Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting

Adult Copper Dragon

Monsters Monster Manual

Legendary Resistance (3/Day, or 4/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes three Rend attacks. It can replace one attack with a

, not both. This effect lasts until the end of its next turn. Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting

Tsunami

Spells Player’s Handbook

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

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.

Demilich

Monsters Monster Manual

Legendary Resistance (3/Day, or 4/Day in Lair). If the demilich fails a saving throw, it can choose to succeed instead. Undead Restoration. If the demilich is destroyed, it reforms and regains all

DC 20 Constitution saving throw or have its Hit Point maximum reduced by 1d4;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Enervating Domain"}. This reduction lasts until the creature

Elemental Cataclysm

Monsters Monster Manual

). If the cataclysm fails a saving throw, it can choose to succeed instead. Siege Monster. The cataclysm deals double damage to objects and structures.Multiattack. The cataclysm makes two Elemental Burst

fills a 60-foot-radius Sphere centered on a point the cataclysm can see within 150 feet. The cloud lasts for 1 minute or until the cataclysm uses Cataclysmic Event again. Creatures entirely in the

Prismatic Wall

Spells Player’s Handbook

wall into a globe up to 30 feet in diameter centered on a point within range. The wall lasts for the duration. If you position the wall in a space occupied by a creature, the spell ends instantly

end of each of its turns. If it successfully saves three times, the condition ends. If it fails three times, it has the Petrified condition until it is freed by an effect like the Greater Restoration

Potion of Mind Control

Magic Items Tales from the Yawning Portal

potion of mind control produces the effect of a dominate beast, a dominate person (humanoid), or a dominate monster spell (see the table below). If the target’s initial saving throw fails, the

effect lasts for 1 hour, with no concentration required on your part. The charmed creature has disadvantage on new saving throws to break the effect during this time. Potion of &hellip

Vampiric Jade Statue

Monsters Ghosts of Saltmarsh

Immutable Form. The statue is immune to any spell or effect that would alter its form. Legendary Resistance (3/Day). If the statue fails a saving throw, it can choose to succeed instead.Multiattack

statue. The curse lasts for 10 minutes. While the creature is cursed, the statue has advantage on all attacks against it. Claws. Melee Weapon Attack: +6;{"diceNotation":"1d20+6","rollType":"to hit

Fraz-Urb'luu Legacy

Monsters Out of the Abyss

: mirage arcane, modify memory, project image Legendary Resistance (3/Day). If Fraz-Urb’luu fails a saving throw, he can choose to succeed instead. Magic Resistance. Fraz-Urb’luu has

within line of sight of the demon lord, roll on the Madness of Fraz-Urb’luu table to determine the nature of the madness, which is a character flaw that lasts until cured. See the Dungeon Master

Demogorgon Legacy

Monsters Out of the Abyss

magic, major image 3/day each: dispel magic, fear, telekinesis 1/day each: feeblemind, project image Legendary Resistance (3/Day). If Demogorgon fails a saving throw, he can choose to succeed instead

"} bludgeoning damage. If the target is a creature, it must succeed on a DC 23 Constitution saving throw or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts

Marlos Urnrayle

Monsters Princes of the Apocalypse

shunted into the nearest space he last occupied. Legendary Resistance (2/Day). If Marlos fails a saving throw, he can choose to succeed instead. Petrifying Gaze. When a creature that can see Marlos&rsquo

;s eyes starts its turn within 30 feet of him, Marlos can force it to make a DC 14 Constitution saving throw if Marlos isn’t incapacitated and can see the creature. If the saving throw fails by

Chief Kartha-Kaya

Monsters Storm King's Thunder

Possession (Recharges after a Short or Long Rest). The yakfolk attempts to magically possess a humanoid or giant. The yakfolk must touch the target throughout a short rest, or the attempt fails. At

proficiencies. The possession lasts until either the body drops to 0 hit points, the yakfolk ends the possession as an action, or the yakfolk is forced out of the body by an effect such as the dispel evil and

Drow Inquisitor

Monsters Mordenkainen Presents: Monsters of the Multiverse

", "rollDamageType":"necrotic"} necrotic damage. The target’s hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the target finishes a long rest

attempts to magically summon a yochlol (see the Monster Manual), with a 50 percent chance of success. If the attempt fails, the drow takes 5 (1d10);{"diceNotation":"1d10", "rollType":"damage

Drelnza

Monsters Quests from the Infinite Staircase

Legendary Resistance (3/Day). If Drelnza fails a saving throw, she can choose to succeed instead. Special Equipment. Drelnza wields Heretic. Spider Climb. Drelnza can climb difficult surfaces

, and Drelnza regains hit points equal to that 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

Dyrrn

Monsters Eberron: Rising from the Last War

each time it fails the saving throw for this lair action. The target dies if its Intelligence score is reduced to 0. The reduction lasts until the target finishes a short or long rest. Regional

creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Legendary Resistance (3/Day). If Dyrrn fails a saving throw, it can choose to succeed

Drow Inquisitor (Summoner Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

", "rollDamageType":"necrotic"} necrotic damage. The target’s hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the target finishes a long rest

, true seeing Summon Demon (1/Day). The drow attempts to magically summon a yochlol (see the Monster Manual), with a 50 percent chance of success. If the attempt fails, the drow takes 5 (1d10

Medusa (Theran variant)

Monsters Mythic Odysseys of Theros

incapacitated and can see the creature. If the saving throw fails by 5 or more, the creature is instantly petrified. Otherwise, a creature that fails the save begins to turn to stone and is restrained

. The restrained creature must repeat the saving throw at the end of its next turn, becoming petrified on a failure or ending the effect on a success. The petrification lasts until the creature is freed

Ebondeath

Monsters Divine Contention

object. Legendary Resistance (3/Day). If the dragon fails a saving throw, it can choose to succeed instead.Withering Touch. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction

. If the save fails by 5 or more, the target also ages 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Horrifying Visage"} × 10 years. A frightened target can repeat the saving throw at the

Centaur Mummy

Monsters Tales from the Yawning Portal

the target's hit point maximum to 0, the target dies, and its body turns to dust. The curse lasts until removed by the remove curse spell or similar magic. Dreadful Glare. The centaur mummy targets one

next turn. If the target fails the saving throw by 5 or more, it is also paralyzed for the same duration. A target that succeeds on the saving throw is immune to the Dreadful Glare of all mummies (but

Specter of Night

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

Legendary Resistance (3/Day). If the specter fails a saving throw, it can choose to succeed instead. Magic Resistance. The specter has advantage on saving throws against spells and other magical

. A creature marked for death can’t regain hit points, has disadvantage on death saving throws, and all attack rolls against it are made with advantage. This effect lasts for 1 minute or until

Demogorgon

Monsters Mordenkainen Presents: Monsters of the Multiverse

Legendary Resistance (3/Day). If Demogorgon fails a saving throw, he can choose to succeed instead. Magic Resistance. Demogorgon has advantage on saving throws against spells and other magical

maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0. Gaze. Demogorgon turns his

Deathlock Wight

Monsters Mordenkainen Presents: Monsters of the Multiverse

succeed on a DC 13 Constitution saving throw, or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target dies if

warlock and a patron is no minor occasion—at least not for the warlock. The consequences of breaking that pact can be dire and, in some cases, lethal. A warlock who fails to live up to a bargain

Undercity Medusa

Monsters Guildmasters’ Guide to Ravnica

throw fails by 5 or more, the creature is instantly petrified. Otherwise, a creature that fails the save begins to turn to stone and is restrained. The restrained creature must repeat the saving throw

at the end of its next turn, becoming petrified on a failure or ending the effect on a success. The petrification lasts until the creature is freed by a greater restoration spell or similar magic.The

Factol Skall

Monsters Adventure Atlas: The Mortuary

resurrection or wish spell. Legendary Resistance (4/Day). If Skall fails a saving throw, he can choose to succeed instead. Rejuvenation. If Skall dies, he turns to dust. If his orrery of souls hasn’t

fog in a 30-foot-radius sphere centered on himself. The sphere spreads around corners, and its area is heavily obscured. The fog lasts until the start of Skall’s next turn, and it can’t

Doomtide

Spells Forgotten Realms: Heroes of Faerûn

You create a 20-foot-radius Sphere of inky fog within range. The fog is magical Darkness and lasts for the duration or until a strong wind (such as the one created by the Gust of Wind spell

this casting contributes to another casting of Doomtide as a Circle spell. When the spell is cast, each secondary caster must expend a level 3+ spell slot; otherwise, the spell fails.

Yestabrod

Monsters Out of the Abyss

Legendary Resistance (1/Day). If Yestabrod fails a saving throw, it can choose to succeed instead.Slam. Melee Weapon Attack: +3;{"diceNotation":"1d20+3","rollType":"to hit","rollAction":"Slam"} to

random form of indefinite madness (determined by rolling on the Madness of Zuggtmoy table in appendix D) that lasts until the creature is cured of the disease or dies. While infected in this way, the

Lorehold Professor of Order

Monsters Strixhaven: A Curriculum of Chaos

(Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Force Barrier"}. The professor magically creates a wall of translucent, golden force within 90 feet of itself. The wall lasts

using the spell’s spellcasting ability, or the spell fails and is wasted.Lorehold’s professors of order search for evidence of patterns and predictable outcomes in history. They study the

Alustriel Silverhand

Monsters Vecna: Eve of Ruin

Resistance (3/Day). If Alustriel fails a saving throw, she can choose to succeed instead. Special Equipment. Alustriel carries a magic staff known as the Staff of Silverymoon. In the hands of anyone other

, it fails and has no effect. If the spell is 6th level or higher, Alustriel makes an Intelligence check (DC 10 plus the spell’s level). On a successful check, the spell fails and has no effect

Malaxxix

Monsters The Book of Many Things

Legendary Resistance (3/Day). If Malaxxix fails a saving throw, it can choose to succeed instead. Magic Resistance. Malaxxix has advantage on saving throws against spells and other magical

outside the cylinder. The vortex lasts until the start of Malaxxix’s next turn.Malaxxix can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a

Yeenoghu Legacy

Monsters Out of the Abyss

","rollDamageType":"force"} force damage on a hit, appears as a flail) 3/day each: dispel magic, fear, invisibility 1/day each: teleport Legendary Resistance (3/Day). If Yeenoghu fails a saving throw, he can

Away. Yeenoghu makes a flail attack. If the attack hits, the target must succeed on a DC 24 Strength saving throw or be pushed 15 feet in a straight line away from Yeenoghu. If the saving throw fails by

Kas the Betrayer

Monsters Vecna: Eve of Ruin

frightened condition. Legendary Resistance (3/Day). If Kas fails a saving throw, he can choose to succeed instead. Regeneration. Kas regains 20 hit points at the start of his turn if he has at least 1

points equal to that amount. The 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 rises the

Diderius

Monsters Tyranny of Dragons

dies, and its body turns to dust. The curse lasts until removed by the remove curse spell or other magic. Dreadful Glare. Diderius targets one creature he can see within 60 feet of him. If the target

can see Diderius, it must succeed on a DC 16 Wisdom saving throw against this magic or become frightened until the end of Diderius’s next turn. If the target fails the saving throw by 5 or more

Tempest Spirit

Monsters Bigby Presents: Glory of the Giants

":"Incorporeal Movement", "rollDamageType":"force"} force damage if it ends its turn inside an object. Legendary Resistance (3/Day). If the spirit fails a saving throw, it can choose to succeed

failure, an affected creature’s hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the creature finishes a long rest. The creature dies if its

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