monster set with once activity for for lasts

Glamoured Studded Leather

Magic Items Dungeon Master’s Guide

While wearing this armor, you gain a +1 bonus to Armor Class. You can also take a Bonus Action to cause the armor to assume the appearance of a normal set of clothing or some other kind of armor. You

decide what it looks like—including color, style, and accessories—but the armor retains its normal bulk and weight. The illusory appearance lasts until you use this property again or doff the armor.

Dryad

Monsters Monster Manual

DC 14): At Will: Animal Friendship, Charm Monster (lasts 24 hours; ends early if the dryad casts the spell again), Druidcraft1/Day Each: Entangle, Pass without TraceTree Stride. If within 5 feet of a

a language.Multiattack. The dryad makes one Vine Lash or Thorn Burst attack, and it can use Spellcasting to cast Charm Monster. Vine Lash. Melee Attack Roll: +6;{"diceNotation":"1d20+6", "rollType

Geas

Spells Player’s Handbook

You give a verbal command to a creature that you can see within range, ordering it to carry out some service or refrain from an action or a course of activity as you decide. The target must succeed

damage if it acts in a manner directly counter to your command. It takes this damage no more than once each day. You can issue any command you choose, short of an activity that would result in certain

Deck of Illusions

Magic Items Dungeon Master’s Guide

This box contains a set of cards. A full deck has 34 cards: 32 depicting specific creatures and two with a mirrored surface. A deck found as treasure is usually missing 1d20 − 1 cards. The

identifies it as an illusion with a successful DC 15 Intelligence (Investigation) check. The illusion lasts until its card is moved or the illusion is dispelled (using a Dispel Magic spell or a similar

Glyph of Warding

Spells Player’s Handbook

spell ends without being triggered. The glyph is nearly imperceptible and requires a successful Wisdom (Perception) check against your spell save DC to notice. When you inscribe the glyph, you set

its trigger and choose whether it’s an explosive rune or a spell glyph, as explained below. Set the Trigger. You decide what triggers the glyph when you cast the spell. For glyphs inscribed on

Otiluke's Freezing Sphere

Spells Player’s Handbook

damage on failed save or half as much damage on a successful one. If the globe strikes a body of water, it freezes the water to a depth of 6 inches over an area 30 feet square. This ice lasts for 1

, with the same effect as a normal casting of the spell. You can also set the globe down without shattering it. After 1 minute, if the globe hasn’t already shattered, it explodes. Using a Higher-Level Spell Slot. The damage increases by 1d6 for each spell slot level above 6.

Rod of Lordly Might

Magic Items Dungeon Master’s Guide

are set in a row along the haft. It has three other properties as well, detailed below. Buttons. You can press one of the following buttons as a Bonus Action; a button’s effect lasts until you

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

Deryan's Helpful Homunculi

Spells Forgotten Realms: Heroes of Faerûn

You summon a group of helpful spirits, which lasts for the duration. The spirits appear as homunculi or as another Construct of your choice but are intangible and invulnerable, and they are

considered to have proficiency in the Arcana skill and with the set or Artisan's Tools used in the spell's casting. If you are crafting an item, the spirits function as a single assistant for your crafting, halving the crafting time.

Earth Elemental Legacy

Monsters Basic Rules (2014)

Earth Glide. The elemental can burrow through nonmagical, unworked earth and stone. While doing so, the elemental doesn't disturb the material it moves through. Siege Monster. The elemental deals

hill, club-like arms of jagged stone swinging at its sides. Its head and body consist of dirt and stone, occasionally set with chunks of metal, gems, and bright minerals.PoisonBludgeoning, Piercing, and Slashing from Nonmagical AttacksThunder

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

Fast Friends

Spells Acquisitions Incorporated

undertakes to perform any services or activities you ask of it in a friendly manner, to the best of its ability. You can set the creature new tasks when a previous task is completed, or if you decide to end

its current task. If the service or activity might cause harm to the creature, or if it conflicts with the creature’s normal activities and desires, the creature can make another Wisdom saving

Blood of the Lycanthrope (Injury)

Equipment

throw or be cursed with lycanthropy (see the Monster Manual). The curse lasts until removed by the remove curse spell or similar magic. The type of lycanthropy depends on the lycanthrope used to create

Geas Legacy

Spells Basic Rules (2014)

You place a magical command on a creature that you can see within range, forcing it to carry out some service or refrain from some action or course of activity as you decide. If the creature can

directly counter to your instructions, but no more than once each day. A creature that can't understand you is unaffected by the spell. You can issue any command you choose, short of an activity that would

Harkon's Bite

Magic Items Van Richten’s Guide to Ravenloft

removing the necklace, whether you are attuned to it or not, you are afflicted with werewolf lycanthropy as detailed in the Monster Manual. The curse lasts until the dawn after the next full moon. If you are still wearing the necklace at this time, you are afflicted with the lycanthropy again.

Nimbus Coronet

Magic Items Bigby Presents: Glory of the Giants

The design of this bronze circlet resembles swirling clouds. At its center is set a deep-blue stone, upon which is inscribed the cloud rune. While wearing this circlet, you take no damage from

clouds. Invoking the Rune. As an action, you can invoke the circlet’s rune to assume a cloudlike form. The form lasts for 1 minute, until you are incapacitated, or until you dismiss it (no action

Maurezhi

Monsters Mordenkainen Presents: Monsters of the Multiverse

reduced by 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Bite"}. This reduction lasts until the target finishes a short or long rest. The target dies if this reduces its Charisma to 0. It rises

24 hours later as a ghoul (see the Monster Manual), unless it has been revived or its corpse has been destroyed. Claws. Melee Weapon Attack: +6;{"diceNotation":"1d20+6","rollType":"to hit

Ancient Red Dragon Legacy

Monsters Basic Rules (2014)

hills, dwelling in caverns under snow-capped peaks, or within the deep halls of abandoned mines and dwarven strongholds. Caves with volcanic or geothermal activity are the most highly prized red dragon

form a cloud in a 20-foot-radius sphere centered on a point the dragon can see within 120 feet of it. The sphere spreads around corners, and its area is lightly obscured. It lasts until initiative

Necromancer Wizard

Monsters Mordenkainen Presents: Monsters of the Multiverse

collaborate with colleagues to create new spells.NecroticSummon Undead (1/Day). The necromancer magically summons five skeleton;skeletons or zombie;zombies (both appear in the Monster Manual). The summoned

creatures appear in unoccupied spaces within 60 feet of the necromancer, whom they obey. They take their turns immediately after the necromancer. Each lasts for 1 hour, until it or the necromancer dies, or until the necromancer dismisses it as a bonus action.

Gnome Legacy

Species Basic Rules (2014)

stare, then appeared to go back to sleep. — Richard Lee Byers, The Black Bouquet A constant hum of busy activity pervades the warrens and neighborhoods where gnomes form their close-knit

quick, if dangerous, path to wealth. Regardless of what spurs them to adventure, gnomes who adopt this way of life eke as much enjoyment out of it as they do out of any other activity they undertake

Shadow Assassin

Monsters Waterdeep: Dungeon of the Mad Mage

1d4;{"diceNotation":"1d4","rollType":"roll"} each time it is hit by this attack. The target dies if its Strength is reduced to 0. The reduction lasts until the target finishes a short or long rest

. If a non-evil humanoid dies from this attack, a shadow (see the Monster Manual) rises from the corpse 1d4;{"diceNotation":"1d4","rollType":"roll"} hours later.Necrotic, PoisonAcid, Cold, Fire, Lightning, Thunder; Bludgeoning, Piercing, and Slashing from Nonmagical AttacksRadiant

Adult Red Dracolich Legacy

Monsters Monster Manual (2014)

strongholds. Caves with volcanic or geothermal activity are the most highly prized red dracolich lairs, creating hazards that hinder intruders and letting searing heat and volcanic gases wash over a

lasts until initiative count 20 on the next round. Each creature that starts its turn in the cloud must succeed on a DC 13 Constitution saving throw or be poisoned until the end of its turn. While

Deck of Wonder

Magic Items The Book of Many Things

draws. Monster. This card’s monstrous visage curses you. While cursed in this way, whenever you make a saving throw, you must roll 1d4 and subtract the number rolled from the total. The curse lasts

* A ♠️ Isolation* K ♠️ End Q ♠️ Monster J ♠️ Knife 2 ♠️ Justice* Joker (with ™) Student* Joker (without ™) Mischief

Adult Red Dragon Legacy

Monsters Basic Rules (2014)

, dwelling in caverns under snow-capped peaks, or within the deep halls of abandoned mines and dwarven strongholds. Caves with volcanic or geothermal activity are the most highly prized red dragon lairs

cloud in a 20-foot-radius sphere centered on a point the dragon can see within 120 feet of it. The sphere spreads around corners, and its area is lightly obscured. It lasts until initiative count 20 on

Conjurer Wizard

Monsters Mordenkainen Presents: Monsters of the Multiverse

magically summons an air elemental, an earth elemental, a fire elemental, or a water elemental (all appear in the Monster Manual). The elemental appears in an unoccupied space within 60 feet of the

conjurer, whom it obeys. It takes its turn immediately after the conjurer. It lasts for 1 hour, until it or the conjurer dies, or until the conjurer dismisses it as a bonus action.

Haunted One

Backgrounds Curse of Strahd: Character Options

, Religion, or Survival Languages: Choose two, one of which must be Abyssal, Celestial, Deep Speech, Draconic, Infernal, Primordial, Sylvan, or Undercommon Equipment: A Monster Hunter's Pack;monster

hunter's pack (containing a chest, a crowbar, a hammer, three stake (wooden);wooden stakes, a holy symbol, a holy water (flask);flask of holy water, a manacles; set of manacles, a mirror, steel;steel

Juiblex Legacy

Monsters Out of the Abyss

lair. The area can be up to 10 feet on a side. The slime lasts for 1 hour or until it is burned away with fire. When the slime appears, each creature in that area must succeed on a DC 21 Strength

. 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

Freezing Sphere Legacy

Spells Basic Rules (2014)

including water-based creatures), it freezes the liquid to a depth of 6 inches over an area 30 feet square. This ice lasts for 1 minute. Creatures that were swimming on the surface of frozen water

it with a sling (to the sling's normal range). It shatters on impact, with the same effect as the normal casting of the spell. You can also set the globe down without shattering it. After 1 minute, if

Deck of Illusions Legacy

Magic Items Basic Rules (2014)

This box contains a set of parchment cards. A full deck has 34 cards. A deck found as treasure is usually missing 1d20 − 1 cards. The magic of the deck functions only if cards are drawn at

Intelligence (Investigation) check. The creature then appears translucent. The illusion lasts until its card is moved or the illusion is dispelled. When the illusion ends, the image on its card

Juiblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

the first time on a turn or ends its turn there, that creature must make the same save. The slime lasts for 1 hour or until it is burned away with fire. If the slime is set on fire, it burns away

check. The slime lasts for 1 hour or until it is burned away with fire. 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

Adult Bronze Dragon Legacy

Monsters Basic Rules (2014)

had cast the fog cloud spell. The fog lasts until initiative count 20 on the next round. A thunderclap originates at a point the dragon can see within 120 feet of it. Each creature within a 20-foot

miles of the dragon’s lair take on dazzlingly brilliant hues. Within its lair, the dragon can set illusory sounds, such as soft music and strange echoes, so that they can be heard in various

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

Otiluke's Freezing Sphere Legacy

Spells Player’s Handbook (2014)

including water-based creatures), it freezes the liquid to a depth of 6 inches over an area 30 feet square. This ice lasts for 1 minute. Creatures that were swimming on the surface of frozen water

it with a sling (to the sling’s normal range). It shatters on impact, with the same effect as the normal casting of the spell. You can also set the globe down without shattering it. After 1

Molydeus

Monsters Mordenkainen Presents: Monsters of the Multiverse

maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target transforms into a manes (see the Monster Manual) if this reduces its hit

(the chasme and marilith appear in the Monster Manual) A summoned demon appears in an unoccupied space within 60 feet of the molydeus, acts as an ally of the molydeus, and can’t summon other

Molydeus (Summoner Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target transforms into a manes (see the Monster Manual) if this reduces its hit

, or one marilith (the chasme and marilith appear in the Monster Manual) A summoned demon appears in an unoccupied space within 60 feet of the molydeus, acts as an ally of the molydeus, and can&rsquo

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