must swarm with only advanced from for lore

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

Book of Vile Darkness

Magic Items Dungeon Master’s Guide

book must spend 80 hours reading and studying it to digest its contents and use its Adjusted Ability Scores, Tireless Form, Spells, Vile Lore, and Vile Speech properties. The Book of Vile Darkness

cast that spell again from it until the next dawn. Vile Lore. You can reference the Book of Vile Darkness whenever you make an Intelligence check to recall information about some aspect of evil, such as

Demonomicon of Iggwilv

Magic Items Dungeon Master’s Guide

it longs to be more than mere reference material. Abyssal Lore. You can reference the Demonomicon whenever you make an Intelligence check to discern information about demons or a Wisdom (Survival

Fiend that you can see that is trapped within the area of a Magic Circle spell. The Fiend must succeed on a DC 20 Charisma saving throw with Disadvantage or become trapped within one of the Demonomicon

Vampire Infernalist

Monsters Astarion's Book of Hungers

, and it must reach its resting place within 2 hours or be destroyed. Once in its resting place, it returns to its vampire form and has the Paralyzed condition until it regains any Hit Points, and it

can’t spend Hit Point Dice at the end of the rest and doesn’t regain Hit Points, Hit Point Dice, or spell slots at the end of the rest. Tenacious Lore. Within 1 mile of the lair, flame

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

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

Flumph Legacy

Monsters Monster Manual (2014)

Advanced Telepathy. The flumph can perceive the content of any telepathic communication used within 60 feet of it, and it can’t be surprised by creatures with any form of telepathy. Prone

damage. At the end of each of its turns, the target must make a DC 10 Constitution saving throw, taking 2 (1d4);{"diceNotation":"1d4","rollType":"damage","rollAction":"Tendrils","rollDamageType":"acid

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

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 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

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 Zombie Limbs

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 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 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

Clockwork Dragon

Monsters Acquisitions Incorporated

clockwork dragon exhales fire in a 15-foot cone. Each creature in that area must make a DC 11 Dexterity saving throw, taking 14 (4d6);{"diceNotation":"4d6","rollType":"damage","rollAction":"Fire

advanced intellect allowing it to be programmed with a wide range of orders, as well as being capable of wholly independent reactions to potential threats. Though most clockwork dragons have a breath weapon

Punching Dagger

Equipment

Mastery of Advanced Weapons requires military training and skill. To use any of the special properties or the Weapon Mastery properties of the Punching Dagger, you must take the Advanced Weapon

Proficiency feat. This weapon has the following Mastery Property. To use this property, you must have a feature that lets you use it. Defending. A Defending weapon is either made for parrying, has

Book of Vile Darkness Legacy

Magic Items Dungeon Master’s Guide (2014)

powder if the book rests on it long enough. A creature attuned to the book must spend 80 hours reading and studying it to digest its contents and reap its benefits. The creature can then freely modify

the book’s contents, provided that those modifications advance evil and expand the lore already contained within. Whenever a non-evil creature attunes to the Book of Vile Darkness, that creature

Skull Lasher of Myrkul

Monsters Baldur’s Gate: Descent into Avernus

":"poison"} poison damage, and the target must succeed on a DC 13 Constitution saving throw or be poisoned until the end of the skull lasher’s next turn. If the skull lasher casts this spell using a

master the necromantic arts. Delvers into Lore. Cultists of Myrkul study rituals that allow them to force the souls of the dead into service, compelling them to answer questions and share forgotten

Master Sage

Monsters Candlekeep Mysteries

sphere centered on that point must make a DC 14 Dexterity saving throw, taking 28 (8d6);{"diceNotation":"8d6","rollType":"damage","rollAction":"Lightning Eruption","rollDamageType":"lightning

, dispel magic, identify, levitate, locate object, Tenser's Floating Disk, unseen servant 1/day each: banishment, contact other plane, Drawmij's instant summons, legend lore, locate creature, planar

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

Knightly Sword

Equipment

Mastery of Advanced Weapons requires military training and skill. To use any of the special properties or the Weapon Mastery properties of the Knightly Sword, you must take the Advanced Weapon

Proficiency feat. This weapon has the following Mastery Property. To use this property, you must have a feature that lets you use it. Defending. A Defending weapon is either made for parrying, has

Composite Longbow

Equipment

Mastery of Advanced Weapons requires military training and skill. To use any of the special properties or the Weapon Mastery properties of the Composite Longbow, you must take the Advanced Weapon

Proficiency feat. This weapon has the following mastery property. To use this property, you must have a feature that lets you use it. Strong-Draw. A weapon with the Strong-Draw quality requires great

Knightly Lance

Equipment

Mastery of Advanced Weapons requires military training and skill. To use any of the special properties or the Weapon Mastery properties of the Knightly Lance, you must take the Advanced Weapon

Proficiency feat. This weapon has the following Mastery Property. To use this property, you must have a feature that lets you use it. Set. Weapons with this property allow you to prepare for an oncoming

Sage Legacy

Backgrounds Basic Rules (2014)

You spent years learning the lore of the multiverse. You scoured manuscripts, studied scrolls, and listened to the greatest experts on the subjects that interest you. Your efforts have made you a

Wizard’s apprentice 8 Scribe FEATURE: RESEARCHER When you attempt to learn or recall a piece of lore, if you do not know that information, you often know where and from whom you

Gremishka

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

Neogi Hatchling

Monsters Mordenkainen Presents: Monsters of the Multiverse

","rollAction":"Bite","rollDamageType":"poison"} poison damage, and the target must succeed on a DC 10 Constitution saving throw or become poisoned for 1 minute. A target can repeat the saving throw at the end

of each of its turns, ending the effect on itself on a success.A neogi lives about a century. When an individual is rendered weak by advanced age, the other neogi in the group overpower it and inject

Flapjack the Flumph

Monsters Spelljammer: Adventures in Space

Advanced Telepathy. Flapjack can perceive the content of any telepathic communication used within 60 feet of it, and it can’t be surprised by creatures with any form of telepathy. Prone

end of each of its turns, the target must make a DC 10 Constitution saving throw, taking 2 (1d4);{"diceNotation":"1d4","rollType":"damage","rollAction":"Tendrils","rollDamageType":"acid"} acid damage

Tabaxi Legacy

Species Volo's Guide to Monsters

stories, artifacts, and lore. Those who survive this period of wanderlust return home in their elder years to share news of the outside world. In this manner, the tabaxi remain isolated but never ignorant

of the world beyond their home. Barterers of Lore Tabaxi treasure knowledge rather than material things. A chest filled with gold coins might be useful to buy food or a coil of rope, but it’s

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