make some with only actions from for live

What actions can monsters use to make Opportunity Attack? Are Multiattack and breath weapon actions allowed?

Compendium - Sources->Dungeons & Dragons->Sage Advice & Errata

What actions can monsters use to make Opportunity Attack? Are Multiattack and breath weapon actions allowed? When making an Opportunity Attack, a monster can make any single melee attack listed in

its stat block. A monster also has the option to make an Unarmed Strike as an Opportunity Attack, following the normal rules of an Unarmed Strike. An action, such as a breath weapon effect, that doesn’t

Confusion

Spells Player’s Handbook

Each creature in a 10-foot-radius Sphere centered on a point you choose within range must succeed on a Wisdom saving throw, or that target can’t take Bonus Actions or Reactions and must roll

uses all its movement to move. Roll 1d4 for the direction: 1, north; 2, east; 3, south; or 4, west. 2–6 The target doesn’t move or take actions. 7–8 The target doesn

Ancient White Dragon

Monsters Monster Manual

Ice Walk. The dragon can move across and climb icy surfaces without needing to make an ability check. Additionally, Difficult Terrain composed of ice or snow doesn’t cost it extra movement

", "rollDamageType":"Cold"} Cold damage. Success: Half damage.Legendary Action Uses: 3 (4 in Lair). Immediately after another creature’s turn, the dragon can expend a use to take one of the following actions

Colossus

Monsters Monster Manual

carrying.Legendary Action Uses: 3. Immediately after another creature’s turn, the colossus can expend a use to take one of the following actions. The colossus regains all expended uses at the start of each of

its turns. Smite. The colossus makes one Radiant Ray attack. Stomp. The colossus moves up to half its Speed without provoking Opportunity Attack;Opportunity Attacks, and it can make one Slam attack at any point during that move.Poison, PsychicNecrotic, Radiant

Adult White Dragon

Monsters Monster Manual

Ice Walk. The dragon can move across and climb icy surfaces without needing to make an ability check. Additionally, Difficult Terrain composed of ice or snow doesn’t cost it extra movement

", "rollDamageType":"Cold"} Cold damage. Success: Half damage.Legendary Action Uses: 3 (4 in Lair). Immediately after another creature’s turn, the dragon can expend a use to take one of the following actions

Halfling

Species Player’s Handbook

and adventurous spirit that leads them on journeys of discovery, affording them the chance to explore a bigger world and make new friends along the way. Their size—similar to that of a human

territorial mob of halflings like those in the Dark Sun setting. Halflings who prefer to live underground are sometimes called strongheart halflings or stouts. Nomadic halflings, as well as those who

Giant Insect

Spells Player’s Handbook

make an ability check. Actions Multiattack. The insect makes a number of attacks equal to half this spell’s level (round down). Poison Jab. Melee Attack Roll: Bonus equals your spell attack

ft. Hit: 1d10 + 3 plus the spell’s level Bludgeoning damage, and the target’s Speed is reduced to 0 until the start of the insect’s next turn. Bonus Actions Venomous Spew (Centipede

Vampire

Monsters Monster Manual

regains 1 Hit Point after spending 1 hour there. Spider Climb. The vampire can climb difficult surfaces, including along ceilings, without needing to make an ability check. Vampire Weakness. The

). Immediately after another creature’s turn, the vampire can expend a use to take one of the following actions. The vampire regains all expended uses at the start of each of its turns. Beguile

True Polymorph

Spells Player’s Handbook

duration, the spell lasts until dispelled. An unwilling creature can make a Wisdom saving throw, and if it succeeds, it isn’t affected by this spell. Creature into Creature. If you turn a

Points of the new form. These Temporary Hit Points vanish if any remain when the spell ends. The target is limited in the actions it can perform by the anatomy of its new form, and it can’t speak

Summon Construct

Spells Player’s Handbook

Throw: DC equals your spell save DC, the target. Failure: Until the start of its next turn, the target can’t make Opportunity Attack;Opportunity Attacks, and its Speed is halved. Actions

Animate Objects

Spells Player’s Handbook

. Each creature you make with this spell is an ally to you and your allies. In combat, it shares your Initiative count and takes its turn immediately after yours. Until the spell ends, you can take a

Proficiency Bonus) Actions Slam. Melee Attack Roll: Bonus equals your spell attack modifier, reach 5 ft. Hit: Force damage equal to 1d4 + 3 (Medium or smaller), 2d6 + 3 + your spellcasting ability modifier (Large), or 2d12 + 3 + your spellcasting ability modifier (Huge).

Arch-hag

Monsters Monster Manual

another creature’s turn, the hag can expend a use to take one of the following actions. The hag regains all expended uses at the start of each of its turns. Hag’s Swipe. The hag makes one

(excluding the hag and its allies) within 1 mile of the lair subtract 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Lapsus Linguae"} from any ability check they make when they take the

Elemental Cataclysm

Monsters Monster Manual

target has the Restrained condition, has Total Cover, and is suffocating. As an action, a buried creature or another creature within 5 feet of it can make a DC 18 Strength (Athletics) check. On a

spellcasting ability.Legendary Action Uses: 3. Immediately after another creature’s turn, the cataclysm can expend a use to take one of the following actions. The cataclysm regains all expended

Figurine of Wondrous Power

Magic Items Dungeon Master’s Guide

you on your Initiative count. If you issue no commands, the creature defends itself but takes no other actions. The creature exists for a duration specific to each figurine. At the end of the

duration, the creature reverts to its figurine form. It reverts to a figurine early if its creature form drops to 0 Hit Points or if you take a Magic action while touching the creature to make it revert to

Aranea

Monsters Forgotten Realms: Adventures in Faerûn

Spider Climb (Hybrid or Spider Form Only). The aranea can climb difficult surfaces, including along ceilings, without needing to make an ability check. Web Walker. The aranea ignores movement

a bulky, humpbacked spider with two short arms beneath its head. An aranea can shape-shift into a humanoid form or into a multiarmed humanoid-spider hybrid. Araneas live in insular communities, such

Lorwyn Changeling

Species Lorwyn: First Light

effect inexplicably charming. Changelings from Lorwyn live in a vast, mystical cave called Velis Vel Grotto (see Lorwyn: First Light). Once per year, many changelings make a pilgrimage to the grotto

Vampire Infernalist

Monsters Astarion's Book of Hungers

Action Uses: 3 (4 in Lair). Immediately after another creature’s turn, the vampire can expend a use to take one of the following actions. The vampire regains all expended uses at the start of each

sap the body and mind. Creatures (excluding the vampire and its allies) that finish a Short or Long Rest while within 1 mile of the lair make a DC 15 Wisdom saving throw. On a failed save, a creature

Karas Chembryl

Monsters Forgotten Realms: Adventures in Faerûn

Evasion. If Karas is subjected to an effect that allows her to make a Dexterity saving throw to take only half damage, Karas instead takes no damage if she succeeds on the save and only half damage

another creature’s turn, Karas can expend a use to take one of the following actions. Karas regains all expended uses at the start of each of her turns. Harrow. Wisdom Saving Throw: DC 15, one

Swashbuckler

Monsters Mordenkainen Presents: Monsters of the Multiverse

. Many swashbucklers have a signature flourish with which they embellish their actions to make themselves more memorable. You can roll on the Swashbuckler Flourishes table or choose one of the options

ne’er-do-wells who live by their own codes of honor. They crave notoriety, often indulge in romantic trysts, and eke out livings as pirates and corsairs, rarely staying in one place for too long

Merfolk Legacy

Monsters Basic Rules (2014)

":"Spear","rollDamageType":"piercing"} piercing damage if used with two hands to make a melee attack.Merfolk are aquatic humanoids with the lower body of a fish. They live in small tribes beneath the waves.

Tribal Warrior Legacy

Monsters Basic Rules (2014)

used with two hands to make a melee attack.Tribal warriors live beyond civilization, most often subsisting on fishing and hunting. Each tribe acts in accordance with the wishes of its chief, who is the greatest or oldest warrior of the tribe or a tribe member blessed by the gods.

Shadrix Silverquill

Monsters Strixhaven: A Curriculum of Chaos

must make a DC 21 Constitution saving throw. On a failed save, a creature takes 31 (7d8);{"diceNotation":"7d8", "rollType":"damage", "rollAction":"Illuminating Shadow Breath", "rollDamageType":"radiant

using Charisma as the spellcasting ability (spell save DC 23): 1/day each: darkness, daylight, hypnotic pattern, sending, suggestionShadrix can take 3 legendary actions, choosing from the options

Grung Elite Warrior

Monsters Mordenkainen Presents: Monsters of the Multiverse

charmed by the grung and can speak Grung. Green Grung. The poisoned creature can’t move except to climb or make standing jumps. If the creature is flying, it can’t take any actions or reactions

. These amphibians prefer shade and live in trees, but they maintain hatcheries for their offspring in well-guarded ground-level pools. About three months after hatching, a grung tadpole takes on the shape

Grung Wildling

Monsters Mordenkainen Presents: Monsters of the Multiverse

tropical jungles. These amphibians prefer shade and live in trees, but they maintain hatcheries for their offspring in well-guarded ground-level pools. About three months after hatching, a grung tadpole

described below. This effect lasts until the creature is no longer poisoned by the grung. Blue Grung. The poisoned creature must make a loud noise at the start and end of its turn. Gold Grung. The

Dragon Chosen

Monsters Fizban's Treasury of Dragons

chosen takes damage from a creature within 5 feet of it, it can make a Shortsword attack with advantage against that creature.Dragon chosen are mighty warriors who offer their bodies as vessels for a

foolhardy adventure. Other followers seek to uncover the mysteries of draconic nature and live a life worthy of their dragon’s reward, and they dream of a world where dragons can live among them as their rulers.

Monk Legacy

Classes Basic Rules (2014)

defensive ability and speed, this energy infuses all that a monk does. The Magic of Ki Monks make careful study of a magical energy that most monastic traditions call ki. This energy is an element of

landscapes of the worlds of D&D, tiny refuges from the flow of ordinary life, where time seems to stand still. The monks who live there seek personal perfection through contemplation and rigorous

Bheur Hag

Monsters Mordenkainen Presents: Monsters of the Multiverse

graystaff. Ice Walk. The hag can move across and climb icy surfaces without needing to make an ability check, and difficult terrain composed of ice or snow doesn’t cost the hag extra

spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 14): At will: hold person 1/day each: cone of cold, ice storm, wall of iceBheur hags live in

Grung

Monsters Mordenkainen Presents: Monsters of the Multiverse

. Grungs Grungs are frog-like folk found in rain forests and tropical jungles. These amphibians prefer shade and live in trees, but they maintain hatcheries for their offspring in well-guarded ground

additional effect that depends on the grung’s color, as described below. This effect lasts until the creature is no longer poisoned by the grung. Blue Grung. The poisoned creature must make a

Nightsea chil-liren

Monsters Journeys through the Radiant Citadel

","rollAction":"Spear","rollDamageType":"piercing"} piercing damage if used with two hands to make a melee attack.Janya is populated by descendants of Djaynai who escaped into the sea during the

Passage of Vultures. The magic of Djaynaian transmuters and that of the Nightsea itself gave these people the ability to live beneath the waves. Now known as Nightsea chil-liren, the people of Janya look

Reghed Warrior

Monsters Icewind Dale: Rime of the Frostmaiden

used with two hands to make a melee attack.Tribal warriors live beyond civilization, most often subsisting on fishing and hunting. Each tribe acts in accordance with the wishes of its chief, who is the greatest or oldest warrior of the tribe or a tribe member blessed by the gods.

Belashyrra

Monsters Eberron: Rising from the Last War

. The target must make a DC 22 Wisdom saving throw, taking 49 (9d10);{"diceNotation":"9d10","rollType":"damage","rollDamageType":"psychic"} psychic damage on a failed save, or half as much damage on a

success.Belashyrra 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 of another creature’s turn. Belashyrra regains spent

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

Avoidance. If the demilich is subjected to an effect that allows it to make a saving throw to take only half damage, it instead takes no damage if it succeeds on the saving throw, and only half

Vedalken

Species Guildmasters’ Guide to Ravnica

skilled at not displaying it. Cool rationality guides their actions, they make and follow careful plans, and they are patient enough to do nothing when the ideal outcome relies on such inaction

Adult Bronze Dragon Legacy

Monsters Basic Rules (2014)

must make a DC 19 Dexterity saving throw, taking 66 (12d10);{"diceNotation":"12d10","rollType":"damage","rollAction":"Lightning Breath","rollDamageType":"lightning"} lightning damage on a failed save

alignment, hit points, Hit Dice, ability to speak, proficiencies, Legendary Resistance, lair actions, and Intelligence, Wisdom, and Charisma scores, as well as this action. Its statistics and capabilities

Topi

Monsters The Tortle Package

Turn Resistance. The topi has advantage on saving throws against any effect that turns undead. Undead Fortitude. If damage reduces the topi to 0 hit points, it must make a Constitution saving throw

replaced with a leather bag that contains a live poisonous snake. The snake requires neither air nor sustenance, and it magically renders the topi’s claws venomous. When a topi dies, the snake

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