merciless swarm with only after from for long

Pipes of the Sewers

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

Hat of Many Spells

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

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)

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

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

number of feet equal to the chosen radius), or extinguish the light. Innate Spellcasting (Psionics). The swarm's innate spellcasting ability is Intelligence (spell save DC 13). As long as it has more

Swarm of Cranium Rats

Monsters Mordenkainen Presents: Monsters of the Multiverse

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. 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

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

Monsters Mordenkainen Presents: Monsters of the Multiverse

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 the swarm

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

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

Swarm of Gibberlings

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

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

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

Phylaskia

Monsters Mythic Odysseys of Theros

lasts until the target finishes a short or long rest.These armored skeletal spirits guard the borders of the Underworld and its various wards. Sleepless and merciless, they scrutinize all who would

Norker

Monsters Mordenkainen's Fiendish Folio Volume 1

. They were always few in number, and their god was a cruel, merciless tyrant who kept his children close and the outside world at a distance. This long-lost god may have been Maglubiyet's first conquest

, norkers are tough humanoids whose long, sharp fangs and thick, bony exoskeletons make them well-suited to the ranks of hobgoblin armies. Unfortunately for their would-be masters, norkers are rebellious

Gunvald Halraggson

Monsters Icewind Dale: Rime of the Frostmaiden

turn. Second Wind (Recharges after a Short or Long Rest). As a bonus action, Gunvald can regain 15 hit points.Multiattack. Gunvald makes three melee attacks. Battleaxe. Melee Weapon Attack: +8

Bear King cuts an impressive figure and is renowned for his size and strength. He tries to be honorable, but he is often merciless and doesn't change his mind easily. He has trouble relating to Ten

Gibberling

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

Baba Lysaga

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

":"1d8+4","rollType":"damage","rollAction":"Quarterstaff","rollDamageType":"bludgeoning"} bludgeoning damage if wielded with two hands. Summon Swarms of Insects (Recharges after a Short or Long Rest

Kalaraq Quori

Monsters Eberron: Rising from the Last War

throw or be cursed. The curse lasts until it's removed by a remove curse or greater restoration spell. The cursed target suffers 1 level of exhaustion every 24 hours, and finishing a long rest

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

Kraul Warrior

Monsters Guildmasters’ Guide to Ravnica

","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

Norker War Leader

Monsters Mordenkainen's Fiendish Folio Volume 1

days, norkers were found deep within the earth. They were always few in number, and their god was a cruel, merciless tyrant who kept his children close and the outside world at a distance. This long

, and lazy even by the standards of goblinoids, norkers are tough humanoids whose long, sharp fangs and thick, bony exoskeletons make them well-suited to the ranks of hobgoblin armies. Unfortunately

Arasta

Monsters Mythic Odysseys of Theros

Armor of Spiders (Mythic Trait; Recharges after a Short or Long Rest). If Arasta is reduced to 0 hit points, she doesn’t die or fall unconscious. Instead, she regains 200 hit points. In

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

Vampire Warrior Legacy

Monsters Monster Manual (2014)

, and the vampire regains hit points equal to that amount. The reduction lasts until the target finishes a long rest. The target dies if this effect reduces its hit point maximum to 0. A humanoid slain

;{"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

Kobold Vampire Spawn

Monsters Icewind Dale: Rime of the Frostmaiden

, and the vampire regains hit points equal to that amount. The reduction lasts until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0.The gnoll vampire Tekeli-li

, 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

Ashen Rider

Monsters Mythic Odysseys of Theros

long rest. If the target's hit point maximum is reduced to 0, its body and everything it is wearing and carrying, except for magic items, are reduced to ash. A creature reduced to ash can't be revived

known as archons once ruled vast empires. These armored warlords saw themselves as champions of merciless justice, and they ruled with iron fists. But their dominance ultimately came to an end. As the

Vampire Legacy

Monsters Basic Rules (2014)

point maximum is reduced by an amount equal to the necrotic damage taken, and the vampire regains hit points equal to that amount. The reduction lasts until the target finishes a long rest. The target

, 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)

regains hit points equal to that amount. The reduction lasts until the target finishes a long rest. The target dies if this effect reduces its hit point maximum to 0. A humanoid slain in this way and

","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

Kraul Death Priest

Monsters Guildmasters’ Guide to Ravnica

","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

Archon of Falling Stars

Monsters Mythic Odysseys of Theros

mount, the mount is reduced to 0 hit points as well. Radiant Rebirth (Recharges after a Long Rest). If the archon is reduced to 0 hit points, it regains 30 hit points and springs back to its feet

champions of merciless justice, and they ruled with iron fists. But their dominance ultimately came to an end. As the archon overlords toppled, they scattered to the fringes of the world, and their holdings

Strahd von Zarovich

Monsters Curse of Strahd

reduction lasts until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0. A humanoid slain in this way and then buried in the ground rises the following night as a

/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

Grim Champion of Pestilence

Monsters The Book of Many Things

, the Grim Champion of Pestilence is nonetheless a fearsome entity of sickness and blight. A swarm of insects surrounds him in a mockery of a halo, and debilitating plagues flow from his fingertips

Delight long ago and is the nominal leader of all the Undead in the demiplane. The other two champions—Wynemar Brack, Grim Champion of Bloodshed, and Aleron, Grim Champion of Pestilence&mdash

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

challenge her directly as long as he thinks Asmodeus supports Zariel.Fire, PoisonCold; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered

Duergar Warlord

Monsters Mordenkainen Presents: Monsters of the Multiverse

, inspiring, and merciless in equal parts. A skilled leader in battle, the warlord can use spikes of psionic energy to compel the warriors they command to fight harder. Duergar Duergar are dwarves of

their creations as cold and bare of ornamentation to the point of austerity, duergar see them as honoring the materials used and honest about their purpose.PoisonEnlarge (Recharges after a Short or Long

Zorak Lightdrinker

Monsters Waterdeep: Dungeon of the Mad Mage

amount. The reduction lasts until the target finishes a long rest. The target dies if this effect reduces its hit point maximum to 0. A humanoid slain in this way and then buried in the ground rises

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

Darkweaver

Monsters Planescape: Adventures in the Multiverse

if the target is a creature, the target’s hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the target finishes a long rest. The target

cocoon contains the bones of a non-Humanoid creature, such as a flumph or a mule. 2 A swarm of insects that might be a darkweaver’s young 3 A corpse holding a jar of universal

Hobgoblin Legacy

Species Volo's Guide to Monsters

; entire society forever stands prepared for war. Brutal Civility Hobgoblins hold themselves to high standards of military honor. The race has a long history of shared traditions, recorded and retold

little to conceal an underlying brutality that hobgoblins practice on each other and perfect upon other races. Punishment for infractions of hobgoblin law are swift and merciless. Beauty is something

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