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Returning 35 results for 'mercilessly swarm with only are from for long'.
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Magic Items
Dungeon Master’s Guide
24 hours. On a failed save, the swarm is swayed by the pipes’ music and becomes Friendly to you and your allies for as long as you continue to play the pipes each round as a Magic action. A
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
Magic Items
Dungeon Master’s Guide
its normal casting time, and you can’t use this property again until you finish a Short or Long Rest. On a failed check, you fail to cast the spell and a random effect occurs instead
just happened.
56–60
A harmless swarm of butterflies fills a 10-foot Cube within 30 feet of yourself. The swarm disperses after 1 minute.
61–65
You pull a nonmagical object
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
This doesn't reflect the latest rules and lore.
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Magic Items
Basic Rules (2014)
long as you continue to play the pipes each round as an action. A friendly swarm obeys your commands. If you issue no commands to a friendly swarm, it defends itself but otherwise takes no actions. If
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
Compendium
- Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft
Chateau Delanuit and enforce her quarantines across Richemulot. Rather than the soldiers they appear to be, these troops are animated armor filled with rats that mindlessly and mercilessly enact Jacqueline
Renier’s will. If a guard is defeated, the armor collapses, releasing a swarm of rats. Plague Seasons. The Inverted Court beneath Chateau Delanuit holds hidden sewer laboratories where wererat
Compendium
- Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft
random effect for the disease two long rests in a row.
Swarm of Scarabs
Medium Swarm of Tiny Beasts
Armor Class 13 (natural armor)
Hit Points 27 (5d8 + 5)
Speed 30 ft., burrow 30 ft., climb
and become aggressive predators. Roll on the Swarm Behavior table to see how such swarms might manifest. Swarm Behavior d4 Behavior
1 Crawls on walls in a vaguely bipedal shape
2 Makes
Compendium
- Sources->Dungeons & Dragons->Volo's Guide to Monsters
retain their heightened intelligence for as long as the swarm persists. The swarm also awakens latent psionic abilities implanted within each cranium rat by its mind flayer creators, bestowing upon
13). As long as it has more 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
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
the next 24 hours. On a failed save, the swarm is swayed by the pipes’ music and becomes Friendly to you and your allies for as long as you continue to play the pipes each round as a Magic action. A
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
Compendium
- Sources->Dungeons & Dragons->Monsters of the Multiverse
intelligence for as long as the swarm persists. The swarm also awakens latent psionic abilities implanted within each cranium rat by its mind flayer creators, bestowing upon the swarm psionic powers. Cranium
.
Spellcasting (Psionics). As long as it has more than half of its hit points remaining, the swarm casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
swayed by the pipes’ music and becomes friendly to you and your companions for as long as you continue to play the pipes each round as an action. A friendly swarm obeys your commands. If you issue no
, 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
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
swayed by the pipes’ music and becomes friendly to you and your companions for as long as you continue to play the pipes each round as an action. A friendly swarm obeys your commands. If you issue no
, 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
Compendium
- Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything
equal to your proficiency bonus, and you regain all expended uses when you finish a long rest. Mighty Swarm 11th-level Swarmkeeper feature Your Gathered Swarm grows mightier in the following ways: The
the swarm. You can use this feature a number of times equal to your proficiency bonus, and you regain all expended uses when you finish a long rest.
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
the next 24 hours. On a failed save, the swarm is swayed by the pipes’ music and becomes Friendly to you and your allies for as long as you continue to play the pipes each round as a Magic action. A
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
Compendium
- Sources->Dungeons & Dragons->Guildmasters' Guide to Ravnica
Kraul The kraul are an ascendant power group within the Golgari Swarm, long content to linger at the margins of the undercity but now increasingly making their buzzing voices heard in the
Compendium
- Sources->Dungeons & Dragons->Quests from the Infinite Staircase
exasperating nonsense distracts even the most focused creatures. Gibberling swarms are heard long before they are seen. The first gibberlings were spawned in the jungles of the Gaping Maw, a layer of the
concentration on spells and similar effects.
Actions
Bite. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 3 (1d4 + 1) piercing damage.
Swarm of Gibberlings Large Swarm of Small
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
approach the amphitheater, characters can’t fail to notice giant clawed footprints in the mud. From toe to heel, each footprint spans over 5 feet. Closer to the ruin, they find long, slender feathers
Resistance trait and the Summon Swarm action option (see below). It can’t use the Summon Swarm action while it is grappling a creature with its jaws. Legendary Resistance (3/Day). If the King of Feathers
Compendium
- Sources->Dungeons & Dragons->Guildmasters' Guide to Ravnica
destroys itself. The teeming hordes of the Golgari Swarm believe it is finally their time to shine. They have dwelled under the streets and under the sway of the other guilds for too long. They are
Inside the Swarm The leadership of the Golgari has undergone several major changes, but the nature of the swarm makes it easily adaptable to the churn of continuous cycles. Being alive isn’t a
Compendium
- Sources->Dungeons & Dragons->Monsters of the Multiverse
, but they might be surprisingly effective in the meantime. The weapons don’t have to be lethal—often one serves its purpose if it distracts, scares, or confuses a creature long enough for the inventor
-foot-square space within 20 feet of it. A 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
Compendium
- Sources->Dungeons & Dragons->Candlekeep Mysteries
.) Fistandia used to go into the planetarium (area M12) and disappear for a long time afterward. Something keeps building piles of books in the library. (The homunculi are unaware of the swarm of animated books
feet overhead, and long hallways stretch out on either side of the foyer. Standing in the middle of this area is a middle-aged man wearing gray robes.
Matreous, a neutral human sage (see the stat
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
on foot but is difficult terrain. The troglodytes are so distracted that it’s possible to sneak through this area undetected as long as the adventurers stay close to the cavern walls. Each character
must succeed on a DC 10 Dexterity (Stealth) check or be noticed by the troglodytes. Development Any wounded creature entering the stream attracts the swarm of quippers from area 11.
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
skunk has sprayed its musk, it can’t do so again until it finishes a short or long rest. Wasp Nest in a Bag. The kobold throws a small bag into a 5-foot-square space within 20 feet of it. A swarm of
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 chance that the swarm disperses
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
successful check, you cast the spell using its normal casting time, and you can’t use this property again until you finish a Short or Long Rest. On a failed check, you fail to cast the spell and a
just happened. 56–60 A harmless swarm of butterflies fills a 10-foot Cube within 30 feet of yourself. The swarm disperses after 1 minute. 61–65 You pull a nonmagical object out of the hat. Roll 1d4
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
a successful check, you cast the spell using its normal casting time, and you can’t use this property again until you finish a Short or Long Rest. On a failed check, you fail to cast the spell and a
–55 You have the Stunned condition until the end of your next turn, believing something awesome just happened. 56–60 A harmless swarm of butterflies fills a 10-foot Cube within 30 feet of yourself. The
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
feet long or longer and sway a hundred feet above ground, terrifying the faint of heart. Skilled thieves have been known to drop hooks on thin lines from the bridges and “fish” purses right off victims
Malar’s Throat or when the alarm horns blow and there’s no time to reach the safety of the city before undead swarm up the ravine. The people who live in Malar’s Throat don’t consider themselves especially lucky, but what little luck they have, they attribute to the Lady’s presence among them.
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
duergar in a keelboat 4 1 green hag 5 1 grell 6–7 1d6 + 2 ixitxachitl (see appendix C) 8 1d4 kuo-toa in a keelboat 9 1d4 merrow 10 3d6 stirges 11 1 swarm of quippers 12 1 water weird Aquatic Troll An
meal for too long, they begin to gnaw on the hull of a boat or the underside of a raft, hoping to sink it (this tactic is ineffective against craft with a high damage threshold). Kuo-toa These kuo-toa
Compendium
- Sources->Dungeons & Dragons->Lost Laboratory of Kwalish
Grand Master’s cloak fly apart into its various faces during battle, attacking as a swarm of bats. Throne Gate. The Grand Master might have long ago figured out how to activate this gate. If things go
Compendium
- Sources->Dungeons & Dragons->Ghosts of Saltmarsh
of a massive wave, carrying a swarm of toothy sharks, crashing over the land and tearing apart everything in its path. Maybe someone in town can help. 4 The land around town is too dangerous to remain
out in it alone. The lizardfolk of the swamps were once your friends, but they disappeared not too long ago. You came to Saltmarsh out of necessity.
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
dwellings seem to hunker down in the mire, as though they have long since given up on escaping the thick mud. Everywhere you look, black clouds of flies dart about, hungry for blood.
The fog is much
feet away. A few sections of dirt road have survived, and these places are not difficult terrain. The marsh, however, is difficult terrain. Whenever the characters take a short or long rest in the
Compendium
- Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft
The Gnawing Plague The Gnawing Plague, also known as “the Gnaws,” is known in every corner of Richemulot. Transmission. The Gnaws is spread when a creature is bitten by a rat, giant rat, swarm of
finishing a long rest. The plague’s symptoms include buboes, fatigue, splotchy rashes, sweats, and shaking, particularly facial tremors. Locals liken these twitches to the sniffing of rats. Sufferers
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
damage.
Acid Breath (Recharge 5–6). Dexterity Saving Throw: DC 11, each creature in a 20-foot-long, 5-foot-wide Line. Failure: 18 (4d8) Acid damage. Success: Half damage.
Slowing Breath
ft. Hit: 7 (1d10 + 2) Slashing damage.
Acid Breath (Recharge 5–6). Dexterity Saving Throw: DC 11, each creature in a 20-foot-long, 5-foot-wide Line. Failure: 18 (4d8) Acid damage. Success: Half
Compendium
- Sources->Dungeons & Dragons->Domains of Delight: A Feywild Accessory
, giant poisonous snake, giant snail (WW), giant wolf spider, goblin, harengon sniper (WW), needle blight, panther, pixie, pseudodragon, riding horse, sprite, swarm of ravens, violet fungus, wolf 1/2
Ape, black bear, cockatrice, crocodile, darkling (WW), giant dragonfly (WW), giant goat, giant sea horse, giant wasp, hobgoblin, myconid adult, satyr, scout, swarm of insects, vine blight, warhorse
Orc
Legacy
This doesn't reflect the latest rules and lore.
Learn More
Species
Volo's Guide to Monsters
to be invincible. They see the principles that define them and their deities at work every day in the world around them — nature rewards the strong and mercilessly eliminates the weak and the
swallow a stone.
A tribute of elf ears brings favor from Gruumsh.
If you bury five stones at dawn before a long journey, you will always find your way back to the war hearth.
Stomping your foot three
Compendium
- Sources->Dungeons & Dragons->Guildmasters' Guide to Ravnica
Golgari Swarm and the Selesnya Conclave Citizens of Ravnica aren’t born into guilds. An individual can choose to belong to any guild — or no guild. Some guilds, such as Selesnya and Boros, actively
painful animosity in families whose members follow different paths. Even though citizens can choose their guild associations, long-standing traditions steer certain individuals toward a particular
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7
of oak bound with thick bronze bands. Each is about 4 feet long, 2 feet wide, and 3 feet high. Gold. Opening the gold chest releases a swarm of poisonous snakes that slither out and attack next round
Compendium
- Sources->Dungeons & Dragons->Volo's Guide to Monsters
the muscle a hag might employ, mercenaries that serve the hag only so long as it benefits them. These creatures run errands and take care of roughing up enemies or patrolling areas that the hag
flesh golems 3 1d2 helmed horrors 4 1 rug of smothering 5 1d6 scarecrows 6 2d4 shadow mastiffs* 7 2d4 swarms swarm of insects or swarm of rats 8 1d6 yeth hounds* Brutes d12 Servant(s) * See






