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Staff of Swarming Insects

Magic Items Dungeon Master’s Guide

This staff has 10 charges. Insect Cloud. While holding the staff , you can take a Magic action and expend 1 charge to cause a swarm of harmless flying insects to fill a 30-foot Emanation originating

from you. The insects remain for 10 minutes, making the area Heavily Obscured for creatures other than you. A strong wind (like that created by Gust of Wind) disperses the swarm and ends the effect

Hat of Many Spells

Magic Items Dungeon Master’s Guide

special Somatic component: you must reach into the hat and “pull” the spell out of it. Unknown Spell. While holding the hat, you can try to cast a level 1+ spell you don’t know. The

spell must be on the Wizard spell list, it must be of a level you can cast, and it can’t have Material components costing more than 1,000 GP. Once you decide on the spell, you must expend a spell

Pipes of the Sewers Legacy

Magic Items Basic Rules (2014)

You must be proficient with wind instruments to use these pipes. While you are attuned to the pipes, ordinary rat;rats and Giant Rat;giant rats are indifferent toward you and will not attack you

unless you threaten or harm them. The pipes have 3 charges. If you play the pipes as an action, you can use a bonus action to expend 1 to 3 charges, calling forth one swarm of rats with each expended

Swarm of Poisonous Snakes Legacy

Monsters Basic Rules (2014)

the swarm has half of its hit points or fewer. The target must make a DC 10 Constitution saving throw, taking 14 (4d6);{"diceNotation":"4d6","rollType":"damage","rollAction":"Bite","rollDamageType

Swarm. The swarm can occupy another creature's space and vice versa, and the swarm can move through any opening large enough for a Tiny snake. The swarm can't regain hit points or gain temporary hit

Swarm of Sunflies

Monsters Planescape: Adventures in the Multiverse

swarm must succeed on a DC 10 Constitution saving throw or have the stunned condition for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself

Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny dragonfly. The swarm can’t regain hit points or

Swarm of Animated Books

Monsters Candlekeep Mysteries

False Objects. If the swarm is motionless at the start of combat, it has advantage on its initiative roll. Moreover, if a creature hasn’t observed the swarm move or act, that creature must

succeed on a DC 15 Wisdom (Perception) check to discern that the swarm is animate. Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening

Neogi Hatchling Swarm

Monsters Spelljammer: Adventures in Space

Spider Climb. The swarm can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Swarm. The swarm can occupy another creature’s space and vice

versa, and the swarm can move through any opening large enough for a Tiny neogi hatchling. The swarm can’t regain hit points or gain temporary hit points.Swarm of Bites. Melee Weapon Attack: +3

Cranium Rat Squeaker Swarm

Monsters Planescape: Adventures in the Multiverse

the spellcasting ability (spell save DC 13): At will: command,* detect thoughts,* sending* 1/day each: confusion,* dominate monster* *To cast this spell, the swarm must have more than half its hit

Psychic Messenger. The swarm can use its sending spell to target someone familiar to a creature in telepathic contact with the swarm. Swarm. The swarm can occupy another creature’s space and

Swarm of Hoard Scarabs

Monsters Fizban's Treasury of Dragons

False Appearance. If the swarm is motionless at the start of combat, it has advantage on its initiative roll. Moreover, if a creature hasn’t observed the swarm move or act, that creature must

they move about the lair.Bludgeoning, Piercing, SlashingScale Dust (1/Day). The swarm releases magical glittering dust from its wings. Each creature within 10 feet of the swarm must succeed on a DC 13

Swarm of Rot Grubs

Monsters Mordenkainen Presents: Monsters of the Multiverse

Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny maggot. The swarm can’t regain hit points or gain

temporary hit points.Bites. Melee Weapon Attack: +0;{"diceNotation":"1d20+0", "rollType":"to hit", "rollAction":"Bites"} to hit, reach 0 ft., one creature in the swarm’s space. Hit: 7 (2d6

Swarm of Rats (Diseased Variant)

Monsters Tales from the Yawning Portal

","rollType":"damage","rollAction":"Bite","rollDamageType":"piercing"} piercing damage if the swarm has half of its hit points or fewer. If the target is a creature, it must succeed on a DC 10 Constitution

Keen Smell. The swarm has advantage on Wisdom (Perception) checks that rely on smell. Swarm. The swarm can occupy another creature's space and vice versa, and the swarm can move through any opening

Swarm of Zombie Limbs Legacy

monsters Van Richten’s Guide to Ravenloft

Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny limb. The swarm can’t regain hit points or gain

temporary hit points. Unusual Nature. The swarm doesn’t require air, food, drink, or sleep.Multiattack. The swarm makes one Undead Mass attack and one Grasping Limbs attack. Undead Mass. Melee

Swarm of Campestris

Monsters The Wild Beyond the Witchlight

Mimicry. Each campestri in the swarm can mimic any voice or song it has heard, albeit in a nasal falsetto. Swarm. The swarm can occupy another creature’s space and vice versa, and the

swarm can move through any opening large enough to accommodate an individual campestri. The swarm can’t regain hit points or gain temporary hit points.Head Butts. Melee Weapon Attack: +0

Swarm of Maggots

Monsters Van Richten’s Guide to Ravenloft

","rollDamageType":"piercing"} piercing damage if the swarm has half of its hit points or fewer. A creature damaged by the swarm must succeed on a DC 12 Constitution saving throw or contract a disease

Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny maggot. The swarm can’t regain hit points or gain

Kobold Inventor

Monsters Mordenkainen Presents: Monsters of the Multiverse

within 20 feet of it. A swarm of insects (centipedes);swarm of insects (centipedes; see the Monster Manual) with 11 hit points emerges from the basket and rolls initiative. At the end of each of the swarm

’s turns, there’s a 50 percent;{"diceNotation":"1d100","rollType":"roll","rollAction":"Basket of Centipedes"} chance that the swarm disperses. Green Slime Pot. The kobold throws a clay

Sewer King

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

", "rollType":"damage", "rollAction":"Rancid Bite", "rollDamageType":"acid"} acid damage. If the target is a creature, it must succeed on a DC 12 Constitution saving throw or have the poisoned

condition until the start of the sewer king’s next turn. Summon Swarm (1/Day). The sewer king chitters and summons a swarm of rats to its aid. The swarm appears in an unoccupied space within 30 feet of

Kobold Inventor Legacy

Monsters Volo's Guide to Monsters

flames. Basket of Centipedes. The kobold throws a small basket into a 5-foot-square space within 20 feet of it. A swarm of insects (centipedes) with 11 hit points emerges from the basket and rolls

initiative. At the end of each of the swarm’s turns, there’s a 50 percent;{"diceNotation":"1d100","rollType":"roll","rollAction":"Dispersal"} chance that the swarm disperses. Green Slime Pot

Sofina

Monsters Thieves’ Gallery

each: Evard's black tentacles, finger of death, time stop Swarm of Meteors (1/Day). Sofina magically calls down a meteor swarm that detonates in four 40-foot-radius spheres, each one centered on a point

she can see within 1 mile of herself. These spheres can overlap. Each creature in one or more of these spheres must make a DC 18 Dexterity saving throw, taking 35 (10d6);{"diceNotation":"10d6

Gremishka Legacy

monsters Van Richten’s Guide to Ravenloft

"} to determine the effect: 1–2. The gremishka emanates magical energy. Each creature within 30 feet of the gremishka must succeed on a DC 10 Constitution saving throw or take 3 (1d6

","rollType":"heal","rollAction":"Magic Allergy"} hit points. 5–6. The gremishka explodes and dies, and one swarm of gremishkas instantly appears in the space where this gremishka died. The swarm uses

Star Spawn Larva Mage Legacy

Monsters Mordenkainen’s Tome of Foes

: circle of death Return to Worms. When the larva mage is reduced to 0 hit points, it breaks apart into a swarm of insects in the same space. Unless the swarm is destroyed, the larva mage reforms from it

":"damage","rollAction":"Slam","rollDamageType":"bludgeoning"} bludgeoning damage, and the target must succeed on a DC 19 Constitution saving throw or be poisoned until the end of its next turn. Plague of

Kalaraq Quori

Monsters Eberron: Rising from the Last War

eyes. The target can't be revived by any means short of a wish spell until the quori is destroyed. Mind Seed (1/Day). The quori touches one humanoid, which must succeed on a DC 21 Intelligence saving

can free the thrall from this control. Swarm of Eyes (Recharge 6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Swarm of Eyes"}. The quori creates a swarm of spectral eyes that fills a 30

Aurnozci

Monsters The Book of Many Things

difficult terrain. When the sphere appears, each creature in it must make a DC 20 Constitution saving throw, taking 16 (3d10);{"diceNotation":"3d10", "rollType":"damage", "rollAction":"Insect Swarm

. Each creature in that cone must make a DC 20 Dexterity saving throw, taking 42 (12d6);{"diceNotation":"12d6", "rollType":"damage", "rollAction":"Mucus Spray", "rollDamageType":"acid"} acid damage on a

Undercity Medusa

Monsters Guildmasters’ Guide to Ravnica

damage. Petrifying Gaze. The medusa fixes its gaze on one creature within 60 feet of it that it can see and that can see its eyes. The target must make a DC 14 Constitution saving throw. 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

Golgari Agent

Backgrounds Guildmasters’ Guide to Ravnica

You are a member of a teeming horde — one small part of a sprawling organism. Just as you are part of the swarm, the swarm is part of a larger ecosystem, a never-ending cycle of life, death

stench. Suggested Characteristics Members of the Golgari Swarm are unmistakably products of the undercity, ill at ease amid the comforts of civilization. They bring about the same discomfort in others

Animated Coffin

Monsters Adventure Atlas: The Mortuary

creature must succeed on a DC 18 Intelligence (Investigation) check to discern that the coffin is animate. Spider Climb. The animated coffin can climb difficult surfaces, including upside down on

table presents some contents an animated coffin might contain when encountered. Animated Coffin Contents d6 Contents 1 1d4 swarm of bats 2 1d4 Skeleton;skeletons packed like

Arasta

Monsters Mythic Odysseys of Theros

addition, Arasta’s children immediately swarm over her body to protect her, granting her 100 temporary hit points. Legendary Resistance (3/Day). If Arasta fails a saving throw, she can choose to

":"Bite","rollDamageType":"piercing"} piercing damage, and the target must make a DC 21 Constitution saving throw, taking 32 (5d12);{"diceNotation":"5d12","rollType":"damage","rollAction":"Bite

Zombie Clot Legacy

monsters Van Richten’s Guide to Ravenloft

Deathly Stench. Any creature that starts its turn within 10 feet of the zombie must succeed on a DC 14 Constitution saving throw or take 9 (2d8) poison damage and be poisoned until the start of the

creature’s next turn. Undead Fortitude. If damage reduces the zombie to 0 hit points, it must make a Constitution saving throw with a DC of 5 + the damage taken, unless the damage is radiant or

Zombie Plague Spreader Legacy

monsters Van Richten’s Guide to Ravenloft

Undead Fortitude. If damage reduces the zombie to 0 hit points, it must make a Constitution saving throw with a DC of 5 + the damage taken, unless the damage is radiant or from a critical hit. On a

plague spreader must make a DC 12 Constitution saving throw. On a failed save, the creature is poisoned and can’t regain hit points until the end of its next turn. On a successful save, the creature

Star Spawn Larva Mage

Monsters Mordenkainen Presents: Monsters of the Multiverse

Return to Worms. When the mage is reduced to 0 hit points, it breaks apart into a swarm of insects (see the Monster Manual) in the same space. Unless the swarm is destroyed, the mage reforms from it

., one target. Hit: 7 (1d8 + 3);{"diceNotation":"1d8+3", "rollType":"damage", "rollAction":"Slam", "rollDamageType":"bludgeoning"} bludgeoning damage, and the target must succeed on a DC 19 Constitution

Golgari Shaman

Monsters Guildmasters’ Guide to Ravnica

the target must make a DC 14 Constitution saving throw, taking 18 (4d8);{"diceNotation":"4d8","rollType":"damage","rollAction":"Fungal Rot","rollDamageType":"poison"} poison damage on a failed save

","rollAction":"Feed on Death"} temporary hit points.Golgari shamans are the spiritual leaders of the Golgari Swarm. They teach the guild's beliefs about the cycles of nature, using their necromantic magic to

Strahd von Zarovich Legacy

monsters Curse of Strahd

destroyed. While he has 0 hit points in mist form, he can’t revert to his vampire form, and he must reach his coffin within 2 hours or be destroyed. Once in his coffin, he reverts to his vampire

vampire spawn under Strahd’s control. Charm. Strahd targets one humanoid he can see within 30 feet of him. If the target can see Strahd, the target must succeed on a DC 17 Wisdom saving throw

Vampire Warrior Legacy

Monsters Monster Manual (2014)

falling unconscious, provided that it isn't in sunlight or running water. If it can't transform, it is destroyed. While it has 0 hit points in mist form, it can't revert to its vampire form, and it must

target can see the vampire, the target must succeed on a DC 17 Wisdom saving throw against this magic or be charmed by the vampire. The charmed target regards the vampire as a trusted friend to be heeded

Zorak Lightdrinker

Monsters Waterdeep: Dungeon of the Mad Mage

, provided that it isn't in sunlight or running water. If he can't transform, he is destroyed. While he has 0 hit points in mist form, he can't revert to his vampire form, and he must reach his resting place

the following night as a vampire spawn under Zorak's control. Charm. Zorak targets one humanoid he can see within 30 feet of him. If the target can see Zorak, the target must succeed on a DC 17 Wisdom

Bel

Monsters Baldur’s Gate: Descent into Avernus

Fear Aura. Any creature hostile to Bel that starts its turn within 20 feet of him must make a DC 23 Wisdom saving throw, unless Bel is incapacitated. Unless the save succeeds, the creature is

, mirror image, mislead, raise dead, teleport, wall of fire 1/day each: imprisonment, meteor swarm Legendary Resistance (3/Day). If Bel fails a saving throw, he can choose to succeed instead. Magic

Vampire Legacy

Monsters Basic Rules (2014)

can’t revert to its vampire form, and it must reach its resting place within 2 hours or be destroyed. Once in its resting place, it reverts to its vampire form. It is then paralyzed until it

. The vampire targets one humanoid it can see within 30 feet of it. If the target can see the vampire, the target must succeed on a DC 17 Wisdom saving throw against this magic or be charmed by the

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