Swarm of Rats (Diseased Variant)

Monsters Tales from the Yawning Portal

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

large enough for a Tiny rat. The swarm can't regain hit points or gain temporary hit points.Bite. Melee Weapon Attack: +2;{"diceNotation":"1d20+2","rollType":"to hit","rollAction":"Bite"} to hit, reach

Swarm of Cranium Rats

Monsters Mordenkainen Presents: Monsters of the Multiverse

ordinary rats and behave as such. If enough cranium rats come together to form a swarm, they merge their minds into a single intelligence with the accumulated memories of all the swarm’s

constituents. The rats become smarter as a result, and retain their heightened intelligence for as long as the swarm persists. The swarm also awakens latent psionic abilities implanted within each cranium

Swarm of Cranium Rats Legacy

Monsters Volo's Guide to Monsters

Illumination. As a bonus action, the swarm can shed dim light from its brains in a 5-foot radius, increase the illumination to bright light in a 5- to 20-foot radius (and dim light for an additional

than half of its hit points remaining, the swarm can innately cast the following spells, requiring no components: At will: command, comprehend languages, detect thoughts 1/day each: confusion

Swarm of Rats

Monsters Monster Manual

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 rat. The swarm can’t regain Hit Points or gain

":"Bites", "rollDamageType":"Piercing"} Piercing damage, or 2 (1d4);{"diceNotation":"1d4", "rollType":"damage", "rollAction":"Bites", "rollDamageType":"Piercing"} Piercing damage if the swarm is Bloodied.Bludgeoning, Piercing, Slashing

Swarm of Corrupted Rats

Monsters Stranger Things: Welcome to the Hellfire Club

", "rollAction":"Death Burst"} Acid Damage. Success: Half damage. 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 rat. The swarm can’t regain Hit Points.Bite. Melee Attack Roll: +4, Reach 5 ft. Hit: 6 (2d4 + 2);{"diceNotation":"2d4+2", "rollType":"damage", "rollAction":"Bite", "rollDamageType":"Piercing

Swarm of Rats Legacy

Monsters Basic Rules (2014)

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

large enough for a Tiny rat. The swarm can't regain hit points or gain temporary hit points.Bite. Melee Weapon Attack: +2;{"diceNotation":"1d20+2","rollType":"to hit","rollAction":"Bite"} to hit, reach

Swarm of Rats

Compendium - Sources->Dungeons & Dragons->Monster Manual (2014)

Swarm of Rats Swarm of Rats Medium swarm of Tiny beasts, unaligned Armor Class 10 Hit Points 24 (7d8 − 7) Speed 30 ft. STR 9 (−1) DEX 11 (+0) CON 9 (−1) INT

, stunned Senses darkvision 30 ft., passive Perception 10 Languages — Challenge 1/4 (50 XP) Keen Smell. The swarm has advantage on Wisdom (Perception) checks that rely on smell. Swarm. The swarm

Pipes of the Sewers

Magic Items Dungeon Master’s Guide

regain 1d3 expended charges daily at dawn. If you play the pipes as a Magic action, you can take a Bonus Action to expend 1 to 3 charges, calling forth one Swarm of Rats with each expended charge if

enough rats are within half a mile of you to be called in this fashion (as determined by the DM). If there aren’t enough rats to form a swarm, the charge is wasted. Called swarms move toward the

Pipes of Pestilence

Magic Items Stranger Things: Welcome to the Hellfire Club

If you play these pipes as a Magic action, you summon one Swarm of Corrupted Rats in an unoccupied space within 60 feet of yourself. The swarm is Friendly to you and your allies for as long as you

continue to play the pipes each round as a Magic action. While Friendly, the swarm is under your control, obeys your commands, and takes no action other than to defend itself if you issue it no commands

Pipes of the Sewers Legacy

Magic Items Basic Rules (2014)

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

charge, provided that enough rat;rats are within half a mile of you to be called in this fashion (as determined by the GM). If there aren't enough rat;rats to form a swarm, the charge is wasted. Called

Cranium Rat

Monsters Mordenkainen Presents: Monsters of the Multiverse

rats come together to form a swarm, they merge their minds into a single intelligence with the accumulated memories of all the swarm’s constituents. The rats become smarter as a result, and retain

psionic powers. A single cranium rat uses its natural telepathy to communicate hunger, fear, and other base emotions. A swarm of cranium rats communicating telepathically “speaks” as one

Sewer King

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

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

the sewer king that the sewer king can see. It acts as the sewer king’s ally, obeys the sewer king’s commands, and takes its turn immediately after the sewer king’s. The swarm

Cranium Rat Squeaker Swarm

Monsters Planescape: Adventures in the Multiverse

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

vice versa, and the swarm can move through any opening large enough for a Tiny rat. The swarm can’t regain hit points or gain temporary hit points. Telepathic Shroud. The swarm is immune to any

Guthash

Monsters Tales from the Yawning Portal

":"roll","rollAction":"Bite"} every 24 hours. If the target's hit point maximum drops to 0 as a result of this disease, the target dies.A monstrously swollen female diseased giant rat [6 feet long] that

the goblins call Guthash (Bloated One). The giant rats that hunt in the Sunless Citadel all descend from her.

Swarm of Maggots

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 maggot. The swarm can’t regain hit points or gain

temporary hit points.Infestation. Melee Weapon Attack: +3;{"diceNotation":"1d20+3","rollType":"to hit","rollAction":"Infestation"} to hit, reach 0 ft., one target in the swarm’s space. Hit: 10

Cranium Rat Squeaker

Monsters Planescape: Adventures in the Multiverse

;{"diceNotation":"1d20+4", "rollType":"to hit", "rollAction":"Bite"} to hit, reach 5 ft., one target. Hit: 1 piercing damage.The cranium rats squeakers of Sigil have no connection to the mind flayers that

large numbers, their cranium rat squeaker swarm;swarms merge into a single intelligence with enhanced psionic abilities and the accumulated memories of its constituents.Illumination. The cranium rat sheds dim light from its exposed brain in a 5-foot radius or extinguishes the light.

Vampire Warrior Legacy

Monsters Monster Manual (2014)

;{"diceNotation":"2d4","rollType":"roll","rollAction":"Children of the Night"} swarm of bats;swarms of bats or swarm of rats;rats, provided that the sun isn't up. While outdoors, the vampire can call 3d6

of the following effects: There's a noticeable increase in the populations of bats, rats, and wolves in the region. Plants within 500 feet of the lair wither, and their stems and branches become

Zorak Lightdrinker

Monsters Waterdeep: Dungeon of the Mad Mage

to end the effect. Children of the Night (1/Day). Zorak magically calls 2d4;{"diceNotation":"2d4","rollType":"roll","rollAction":"Children of the Night"} swarm of bats;swarms of bats or swarm of rats

;rats, provided that the sun isn't up. While outdoors, Zorak can call 3d6;{"diceNotation":"3d6","rollType":"roll","rollAction":"Children of the Night"} wolf;wolves instead. The called creatures arrive

Kalaraq Quori

Monsters Eberron: Rising from the Last War

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

","rollType":"damage","rollAction":"Swarm of Eyes","rollDamageType":"psychic"} psychic damage, and it is blinded for 1 minute. On a success, a creature takes half as much damage and isn't blinded. A

Vampire Legacy

Monsters Basic Rules (2014)

;swarms of bats or swarm of rats;rats, provided that the sun isn’t up. While outdoors, the vampire can call 3d6;{"diceNotation":"3d6","rollType":"roll","rollAction":"Children of the Night"} wolf

, or takes a bonus action to end the effect. Children of the Night (1/Day). The vampire magically calls 2d4;{"diceNotation":"2d4","rollType":"roll","rollAction":"Children of the Night"} swarm of bats

Vampire Spellcaster Legacy

Monsters Monster Manual (2014)

","rollType":"roll","rollAction":"Children of the Night"} swarm of bats;swarms of bats or swarm of rats;rats, provided that the sun isn't up. While outdoors, the vampire can call 3d6;{"diceNotation

effects: There's a noticeable increase in the populations of bats, rats, and wolves in the region. Plants within 500 feet of the lair wither, and their stems and branches become twisted and thorny

Keresta Delvingstone

Monsters Waterdeep: Dungeon of the Mad Mage

of bats;swarms of bats or swarm of rats;rats, provided that the sun isn't up. While outdoors, Keresta can call 3d6;{"diceNotation":"3d6","rollType":"roll","rollAction":"Children of the Night"} giant

the target, or takes a bonus action to end the effect. Children of the Night (1/Day). Keresta magically calls 2d4;{"diceNotation":"2d4","rollType":"roll","rollAction":"Children of the Night"} swarm

Strahd von Zarovich Legacy

monsters Curse of Strahd

/Day). Strahd magically calls 2d4;{"diceNotation":"2d4","rollType":"roll","rollAction":"Children of the Night"} swarm of bats;swarms of bats or swarm of rats;swarms of rats, provided that the sun isn

the reach of melee combatants and spellcasters, or he flies away (using summoned wolf;wolves or swarm of bats;swarms of bats or swarm of rats;rats to guard his retreat). Strahd observes the characters

Bel

Monsters Baldur’s Gate: Descent into Avernus

, 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

the die is subtracted from the next attack roll made against Bel or an ally of his choice within the next minute. Summon Ice Devil (Costs 3 Actions). Bel magically summons an Ice Devil (Spear Variant

Giant Rat

Compendium - Sources->Dungeons & Dragons->Monster Manual (2014)

) piercing damage. VARIANT: DISEASED GIANT RATS Some giant rats carry vile diseases that they spread with their bites. A diseased giant rat has a challenge rating of 1/8 (25 XP) and the following

Giant Rat NOTICE Giant rats have been sighted throughout the city. Anyone bitten by a giant rat should visit a temple for ministration and prayer. The city hereby offers a silver coin for each

Random Encounters

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3

1 1d3 swarms of rats (diseased, as giant rats) 2 1d3 swarms of bats 3 2d4 giant fire beetles 4 1d6 zombies 5 1 will-o’-wisp 6 2d4 baboons 7 1 swarm of poisonous snakes 8 1d4 giant frogs 9 1d2

Cranium Rats

Compendium - Sources->Dungeons & Dragons->Volo's Guide to Monsters

cranium rats come together to form a swarm, they merge their minds into a single intelligence with the accumulated memories of all the swarm’s constituents. The rats become smarter as a result, and they

to communicate hunger, fear, and other base emotions. A swarm of cranium rats communicating telepathically “speaks” as one creature, often referring to itself using the collective pronouns “we” and

Cranium Rats

Compendium - Sources->Dungeons & Dragons->Mordenkainen Presents: Monsters of the Multiverse

form a swarm, they merge their minds into a single intelligence with the accumulated memories of all the swarm’s constituents. The rats become smarter as a result, and retain their heightened

, fear, and other base emotions. A swarm of cranium rats communicating telepathically “speaks” as one creature, often referring to itself using the collective pronouns “we” and “us.” Some mind flayer

Pipes of the Sewers

Compendium - Sources->Dungeons & Dragons->D&D Beyond Basic Rules

Swarm of Rats with each expended charge if enough rats are within half a mile of you to be called in this fashion (as determined by the DM). If there aren’t enough rats to form a swarm, the charge is

wasted. Called swarms move toward the music by the shortest available route but aren’t under your control otherwise. Whenever a Swarm of Rats that isn’t under another creature’s control comes within

Pipes of the Sewers

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)

, calling forth one swarm of rats (see the Monster Manual for statistics) with each expended charge, provided that enough rats are within half a mile of you to be called in this fashion (as determined by

the DM). If there aren’t enough rats to form a swarm, the charge is wasted. Called swarms move toward the music by the shortest available route but aren’t under your control otherwise. The pipes regain

Pipes of the Sewers

Compendium - Sources->Dungeons & Dragons->Basic Rules (2014)

, calling forth one swarm of rats (see the Monster Manual for statistics) with each expended charge, provided that enough rats are within half a mile of you to be called in this fashion (as determined by

the DM). If there aren’t enough rats to form a swarm, the charge is wasted. Called swarms move toward the music by the shortest available route but aren’t under your control otherwise. The pipes regain

Pipes of the Sewers

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide

Swarm of Rats with each expended charge if enough rats are within half a mile of you to be called in this fashion (as determined by the DM). If there aren’t enough rats to form a swarm, the charge is

wasted. Called swarms move toward the music by the shortest available route but aren’t under your control otherwise. Whenever a Swarm of Rats that isn’t under another creature’s control comes within

CR 1/4

Compendium - Sources->Dungeons & Dragons->Monster Manual

Pixie Priest Acolyte Pseudodragon Pteranodon Riding Horse Skeleton Smoke Mephit Sprite Steam Mephit Swarm of Bats Swarm of Rats Swarm of Ravens Troglodyte Violet Fungus Winged Kobold Wolf Zombie

Stat Blocks by Creature Type

Compendium - Sources->Dungeons & Dragons->Volo's Guide to Monsters

Brontosaurus Cow (ox, rothé, stench kow) Cranium rat Deinonychus Dimetrodon Dolphin Hadrosaurus Quetzalcoatlus Stegosaurus Swarm of cranium rats Swarm of rot grubs Velociraptor

Trapper Yuan-ti anathema Yuan-ti mind whisperer Yuan-ti nightmare speaker Yuan-ti pit master Oozes Slithering tracker Plants Thorny Vegepygmy Vegepygmy chief Wood woad Undead Alhoon Bodak Gnoll witherling Mind flayer lich (Illithilich) (variant) Spawn of Kyuss

Challenge 1/4 (50 XP)

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)

Pseudodragon Pteranodon Riding horse Skeleton Smoke mephit Sprite Steam mephit Swarm of bats Swarm of rats Swarm of ravens Troglodyte Violet fungus Winged kobold Wolf Zombie Troglodyte

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