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Returning 35 results for 'mechanics swarm with once allies from for like'.
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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
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
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
Magic Items
Dungeon Master’s Guide
returns to Ysgard after 1 hour or when it drops to 0 Hit Points. The spirits look like living, breathing warriors, and they have Immunity to the Charmed and Frightened conditions. Once you use the horn
summoned spirits attack you.
If you meet the requirement, they are Friendly to you and your allies and follow your commands.
1d100
Horn Type
Spirits
Requirement
01–40
Horn of
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
Magic Items
Dungeon Master’s Guide
of your prison. You draw no more cards.
Euryale. The card’s medusa-like visage curses you. You take a −2 penalty to saving throws while cursed in this way. Only a god or the magic of the
the devil’s allies and followers a few times before being able to confront the devil.
In the case of the Rogue card, the enmity is secret and should come from someone thought to be a friend or
Monsters
Stranger Things: Welcome to the Hellfire Club
Pack Tactics. The demodog has Advantage on an attack roll against a creature if at least one of the demodog’s allies is within 5 feet of the creature and the ally doesn’t have the
predators that spawn from limacine larvae. From a distance, they loosely resemble hairless dogs with tough, wrinkled hides and faceless, flower-like heads. When a demodog attacks, its head parts to reveal
Monsters
Spelljammer: Adventures in Space
few of the strongest newborns are left. Sometimes the newborns, united by a singular evil purpose, coalesce into a skittering swarm instead.
Neogi
A neogi looks like an outsize spider with an eel
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
Monsters
Quests from the Infinite Staircase
Aversion to Fire. If the swarm takes fire damage, it has disadvantage on attack rolls and ability checks until the end of its next turn.
Incessant Gibberish. Any non-gibberling that is within 60
feet of the swarm and doesn’t have the deafened condition has disadvantage on Constitution saving throws to maintain concentration on spells and similar effects.
Swarm. The swarm can occupy
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
succeed on a DC 18 Intelligence (Investigation) 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
Monsters
Van Richten’s Guide to Ravenloft
Limited Spell Immunity. The swarm automatically succeeds on saving throws against spells of 3rd level or lower, and the attack rolls of such spells always miss it.
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 gremishka. The swarm can’t regain hit points or gain temporary hit points.Bites. Melee
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
Monsters
Van Richten’s Guide to Ravenloft
manifest.
Swarm Behavior
d4
Behavior
1
Crawls on walls in a vaguely bipedal shape
2
Makes skittering noises that sound like whispered chanting
3
Skeletal visages, giant
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 scarab. The swarm can’t regain hit points or gain
Monsters
Van Richten’s Guide to Ravenloft
Behavior table to see how such swarms might manifest.
Swarm Behavior
d4
Behavior
1
Crawls on walls in a vaguely bipedal shape
2
Makes skittering noises that sound like
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
Monsters
Mordenkainen Presents: Monsters of the Multiverse
Pack Tactics. The kobold has advantage on an attack roll against a creature if at least one of the kobold’s allies is within 5 feet of the creature and the ally isn’t incapacitated
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
Kobold Inventor
Legacy
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Monsters
Volo's Guide to Monsters
Pack Tactics. The kobold has advantage on an attack roll against a creature if at least one of the kobold’s allies is within 5 feet of the creature and the ally isn’t incapacitated
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
Monsters
Van Richten’s Guide to Ravenloft
","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
a taste for the trappings of magic—particularly spellbooks, spell components, familiars, and the like. Gremishkas delight in tormenting magic-users, holding vicious grudges against those who
Monsters
Guildmasters’ Guide to Ravnica
at least one of the kraul's allies is within 5 feet of the creature and the ally isn't incapacitated.
Spider Climb. The kraul can climb difficult surfaces, including upside down on ceilings, without
","rollDamageType":"piercing"} piercing damage if used with two hands to make a melee attack.The kraul are an ascendant power group within the Golgari Swarm, long content to linger at the margins of
Monsters
Quests from the Infinite Staircase
. Loud and shrill, their exasperating nonsense distracts even the most focused creatures. Swarm of Gibberlings;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 Abyss ruled by the demon lord Demogorgon. The Prince of Demons’ influence instilled in gibberlings a hive-mind-like nature, protecting them from
Monsters
Adventure Atlas: The Mortuary
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
skitter along steep inclines, walls, and ceilings, and the coffin’s spacious interior bristles with retractable spikes. Like their inanimate counterparts, animated coffins range from plain wooden
Monsters
Curse of Strahd
Shapechanger. Baba Lysaga can use an action to polymorph into a swarm of insects (flies), or back into her true form. While in swarm form, she has a walking speed of 5 feet and a flying speed of 30
). Baba Lysaga summons 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Summon Swarms of Insects"} swarm of insects;swarms of insects. A summoned swarm appears in an unoccupied space within 60
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
Monsters
Guildmasters’ Guide to Ravnica
undercity like hungry predators.
LUDMILLA, THE TUNNEL VIPER
Ludmilla is the last surviving member of the Sisters of Stone Death, the trio of power-hungry medusas who slew Svogthir, the original
guildmaster of the Golgari Swarm. Ludmilla no longer has the collective power of her medusa sisters, so she's been forced to lurk in Ravnica's undercity, surrounded by hundreds of her petrified victims. She
Monsters
Icewind Dale: Rime of the Frostmaiden
Pack Tactics. The vampire has advantage on an attack roll against a creature if at least one of the vampire’s allies is within 5 feet of the creature and the ally isn’t incapacitated
, so they give Tekeli-li a wide berth. These ravenous undead kobolds thirst for blood and tend to swarm one foe at a time.Necrotic; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks
Backgrounds
Guildmasters’ Guide to Ravnica
stronger than members of other guilds, isolated as they are from the realities of life and death.
RYAN PANCOAST
Contacts
To the extent that the Golgari Swarm acts like a single organism
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
Monsters
Guildmasters’ Guide to Ravnica
: animate dead, blight, vampiric touch
Pack Tactics. The kraul has advantage on an attack roll against a creature if at least one of the kraul's allies is within 5 feet of the creature and the ally
","rollType":"damage","rollAction":"Quarterstaff","rollDamageType":"bludgeoning"} bludgeoning damage if used with two hands.The kraul are an ascendant power group within the Golgari Swarm, long content to
Monsters
Monstrous Compendium Vol. 2: Dragonlance Creatures
Hold Breath. The hunter can hold its breath for up to 10 minutes.
Pack Tactics. The hunter has advantage on an attack roll against a creature if at least one of the hunter’s allies is within 5
", "rollAction":"Tusk"} to hit, reach 5 ft., one target. Hit: 6 (1d4 + 4);{"diceNotation":"1d4+4", "rollType":"damage", "rollAction":"Tusk", "rollDamageType":"slashing"} slashing damage.Thanoi are walrus-like
Vampire Warrior
Legacy
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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
the Night"} rounds, acting as allies of the vampire and obeying its spoken commands. The beasts remain for 1 hour, until the vampire dies, or until the vampire dismisses them as a bonus action.The
Monsters
Mythic Odysseys of Theros
sable's allies is within 5 feet of the creature and the ally isn't incapacitated.
Surprise Attack. If the sable surprises a creature and hits it with an attack during the first round of combat, the
few were created to emulate beauty found among the animals of the mortal world. Each exhibits abilities suited to its role, with some behaving like companionable creatures or stoic guardians.
A few
Monsters
Mordenkainen Presents: Monsters of the Multiverse
":"piercing"} piercing damage. If at least one of the xvart’s allies is within 5 feet of the target, the xvart can push the target 5 feet if the target is a Medium or smaller creature.
Sling. Ranged
":"Sling", "rollDamageType":"bludgeoning"} bludgeoning damage.Fleeing his pursuers, Raxivort wandered across the multiverse and spawned xvarts, who not only look like him but also cause any magic that
Vampire
Legacy
This doesn't reflect the latest rules and lore.
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Monsters
Basic Rules (2014)
, 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
;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
Vampire Spellcaster
Legacy
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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
, acting as allies of the vampire and obeying its spoken commands. The beasts remain for 1 hour, until the vampire dies, or until the vampire dismisses them as a bonus action.The vampire can take 3
Monsters
Baldur’s Gate: Descent into Avernus
":"piercing"} piercing damage when used with two hands to make a melee attack.
Voice of Command. The iron consul selects up to two allies within 90 feet of it that can hear its commands. Each ally can
maces with heads shaped to look like a closed fist.
Cult Ranks. Bane’s cultists operate according to strict military hierarchies. The lowest rank consists of the fist of Bane;fists of Bane, foot
Monsters
Mythic Odysseys of Theros
Pack Tactics. The hoplite has advantage on an attack roll against a creature if at least one of the hoplite's allies is within 5 feet of the hoplite and the ally isn't incapacitated.Multiattack. The
strategies often emulate the favored servants of Nylea—especially wild beasts like wolves and lynxes. Typically a few soldiers harry an enemy while the rest capitalize on their foe's distraction.
Hoplites
Monsters
The Wild Beyond the Witchlight
Pack Tactics. The harengon has advantage on an attack roll against a creature if at least one of the harengon’s allies is within 5 feet of the creature and the ally isn’t incapacitated
Feywild, through they often migrate to the Material Plane. They love to travel on foot and rarely stay in one place for long.
Not all harengons are mean-spirited bullies like the ones presented here
Monsters
Quests from the Infinite Staircase
Pack Tactics. The vegepygmy has advantage on attack rolls against a creature if at least one of the vegepygmy’s allies is within 5 feet of the creature and the ally doesn’t have the
saving throw or have the prone condition.Thorny hunters are bestial vegepygmies derived from the corpses of bears, dogs, and other quadrupedal Beasts. Thorny hunters act like bloodhounds, following