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Returning 35 results for 'swarm casts'.
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swarm cast
start casts
storm casts
Monsters
Monster Manual
following effects occurs:
Pesky Swarm. The target has Disadvantage on attack rolls and ability checks until the end of its next turn.
Spellcasting. The animal lord casts one of the following spells
Monsters
Monster Manual
. Pesky Swarm (Sage Only). The target has Disadvantage on attack rolls and ability checks until the end of its next turn.
Spellcasting. The animal lord casts one of the following spells, requiring no
Monsters
Mordenkainen Presents: Monsters of the Multiverse
of its hit points remaining, the swarm casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 13):
At will: command
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
Monsters
Planescape: Adventures in the Multiverse
":"damage", "rollAction":"Bites", "rollDamageType":"psychic"} psychic damage.
Spellcasting (Psionics). The swarm casts one of the following spells, requiring no spell components and using Intelligence as
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
Monsters
Thieves’ Gallery
":"5d10+5", "rollType":"damage", "rollAction":"Necrotic Strike", "rollDamageType":"necrotic"} necrotic damage.
Spellcasting. Sofina casts one of the following spells, using Intelligence as the
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
Monsters
Van Richten’s Guide to Ravenloft
). Immediately after a creature within 30 feet of the gremishka casts a spell, the gremishka can spontaneously react to the magic. Roll a d6;{"diceNotation":"1d6","rollType":"roll","rollAction":"Magic Allergy
","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
Monsters
The Book of Many Things
failed save, or half as much damage on a successful one.
Spellcasting. Aurnozci casts one of the following spells, requiring no material components and using Wisdom as the spellcasting ability (spell
apart the cocoon, ending the cocoon’s effect with a successful DC 23 Strength (Athletics) check.
Insect Swarm. Aurnozci creates a 30-foot-radius sphere of stinging wasps centered on a point
Monsters
Guildmasters’ Guide to Ravnica
quarterstaff and casts one of its spells with a casting time of 1 action.
Quarterstaff. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction":"Quarterstaff"} to hit, reach 5 ft
","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
Mythic Odysseys of Theros
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
attack with her claws.
Swarm (Costs 2 Actions). Arasta causes two Swarm of Insects (Spiders) ;swarms of spiders (see the Monster Manual) to appear in unoccupied spaces within 5 feet of her.
Toxic Web
Monsters
The Book of Many Things
":"Plague Bolt", "rollDamageType":"poison"} poison damage, and the target has the poisoned condition until the start of the champion’s next turn.
Spellcasting. The champion casts one of the
, 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
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
at the start of his turn.
Fireball. Bel casts fireball.
Tactical Edge (Costs 2 Actions). Roll a d6;{"diceNotation":"1d6","rollType":"roll","rollAction":"Tactical Edge"} for Bel. The number rolled on
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
Monsters
Mordenkainen Presents: Monsters of the Multiverse
Return to Worms. When the mage is reduced to 0 hit points, it breaks apart into a swarm of insects (see the Monster Manual) in the same space. Unless the swarm is destroyed, the mage reforms from it
saving throw at the end of each of its turns, ending the effect on itself on a success.
Spellcasting. The mage casts one of the following spells, requiring no material components and using Charisma
Monsters
Waterdeep: Dungeon of the Mad Mage
, symbol, teleport
8th level (1 slot): maze, mind blank
9th level (1 slot): meteor swarm, wishBlast Scepter. Halaster uses his blast scepter to cast thunderwave as a 4th-level spell (save DC 16
legendary actions at the start of his turn.
Cast Spell. Halaster casts a spell of 3rd level or lower.
Spell Ward (Costs 2 Actions). Halaster expends a spell slot of 4th level or lower and gains 5
Star Spawn Larva Mage
Legacy
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Monsters
Mordenkainen’s Tome of Foes
: circle of death
Return to Worms. When the larva mage is reduced to 0 hit points, it breaks apart into a swarm of insects in the same space. Unless the swarm is destroyed, the larva mage reforms from it
only at the end of another creature's turn. The larva mage regains spent legendary actions at the start of its turn.
Cantrip (Costs 2 Actions). The larva mage casts one cantrip.
Slam (Costs 2 Actions
Compendium
- Sources->Dungeons & Dragons->Monsters of the Multiverse
.
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
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
Compendium
- Sources->Dungeons & Dragons->Planescape: Adventures in the Multiverse->Morte’s Planar Parade
or fewer, plus 22 (5d8) psychic damage.
Spellcasting (Psionics). The swarm casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell
Burdett
Cranium Rat Squeaker Swarm Medium Swarm of Tiny Aberrations, Typically Neutral
Armor Class 12
Hit Points 76 (17d8)
Speed 30 ft.
STR
9 (−1)
DEX
14 (+2)
CON
10 (+0)
INT
15
Compendium
- Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft
3 (1d6) force damage.
Reactions
Magic Allergy (1/Day). Immediately after a creature within 30 feet of the gremishka casts a spell, the gremishka can spontaneously react to the magic. Roll a d6 to
. The gremishka surges with magical energy and regains 3 (1d6) hit points.
5–6. The gremishka explodes and dies, and one swarm of gremishkas instantly appears in the space where this gremishka died
Compendium
- Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything
character’s bond with nature spirits. Take the opportunity to describe the swarm and the ranger’s magic in play. For example, when your ranger casts gaseous form, they might appear to melt into the swarm
connection to the environment around them, some rangers reach out through their magical connection to the world and bond with a swarm of nature spirits. The swarm becomes a potent force in battle, as
Compendium
- Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus
.
Enchantment The standing stone casts confusion on you (save DC 15). The spell lasts for 1 minute.
Evocation The standing stone casts magic missile, targeting you with five missiles.
Illusion An
illusory swarm of harmless bats or pigeons (DM’s choice) flutters over your head for the next hour. A dispel magic cast on the swarm ends the effect.
Necromancy You also take 30 necrotic damage
Compendium
- Sources->Dungeons & Dragons->Thieves’ Gallery
to hit, reach 5 ft. or range 120 ft., one target. Hit: 32 (5d10 + 5) necrotic damage.
Spellcasting. Sofina casts one of the following spells, using Intelligence as the spellcasting ability (spell
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
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
. This effect lasts until the end of its next turn.
Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell
can’t take Reactions; its Speed is halved; and it can take either an action or a Bonus Action on its turn, not both. This effect lasts until the end of its next turn.
Spellcasting. The dragon casts one
Compendium
- Sources->Dungeons & Dragons->Lost Laboratory of Kwalish
alignment. Celestials, fiends, and undead automatically fail the saving throw.
Invisibility. The sprite magically turns invisible until it attacks or casts a spell, or until its concentration ends
its movement. It does so after it drains 10 hit points of blood from the target or the target dies. A creature, including the target, can use its action to detach the stirge.
Swarm of Bats
Compendium
- Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes
death
Return to Worms. When the larva mage is reduced to 0 hit points, it breaks apart into a swarm of insects in the same space. Unless the swarm is destroyed, the larva mage reforms from it 24 hours
only at the end of another creature’s turn. The larva mage regains spent legendary actions at the start of its turn.
Cantrip (Costs 2 Actions). The larva mage casts one cantrip.
Slam (Costs 2
Compendium
- Sources->Dungeons & Dragons->Hold Back The Dead
Thoughts. The doppelganger casts Detect Thoughts, requiring no spell components and using Charisma as the spellcasting ability (spell save DC 12).
Unsettling Visage (Recharge 6). Wisdom Saving Throw: DC 12
.
Shortbow. Ranged Attack Roll: +5, range 80/320 ft. Hit: 6 (1d6 + 3) Piercing damage.
Swarm of Crawling Claws Medium Swarm of Tiny Undead, Neutral Evil
AC 12 Initiative +2 (12)
HP 49 (11d8)
Speed 30
Compendium
- Sources->Dungeons & Dragons->Planescape: Adventures in the Multiverse->Morte’s Planar Parade
and represents how the creature uses its weapon or casts its spells; the exception has no effect on how a weapon or spell functions for a different creature.
Meeting Magic Item Prerequisites If a stat
Sunfly Celestial 1 Swarm of sunflies Celestial 1 Vargouille reflection Fiend 2 Dabus Celestial 2 Lantern archon Celestial 2 Musteval guardinal Celestial 3 Bariaur wanderer Celestial 3 Bleak Cabal void
Compendium
- Sources->Dungeons & Dragons->The Book of Many Things
Harrow’s three leaders, 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
the poisoned condition until the start of the champion’s next turn.
Spellcasting. The champion casts one of the following spells, requiring no material components and using Charisma as the
Compendium
- Sources->Dungeons & Dragons->Monster Manual
Advantage on attack rolls against the target until the start of the animal lord’s next turn.
Pesky Swarm (Sage Only). The target has Disadvantage on attack rolls and ability checks until the end of its
next turn.
Spellcasting. The animal lord casts one of the following spells, requiring no Material components and using Wisdom as the spellcasting ability (spell save DC 20):
At Will: Animal
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
of insects (spiders) arrive on the second round of combat, plus another swarm of insects (centipedes) on the third round. Treasure The abundance of fungi in the thicket makes it easy to forage here
to move through patches of mold and fungi instead of trees. Once it casts this spell, the infected creature can’t cast the spell again until it finishes a long rest.
Any creature infected with
Compendium
- Sources->Dungeons & Dragons->Volo's Guide to Monsters
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 chance that the swarm disperses.
4. Green Slime Pot. The kobold throws a clay pot full of green slime at the target, and it breaks open on impact. Ranged Weapon Attack: +4 to
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
main cavern. If he sees the characters and has any reason to want them dead, Halaster casts spells with a suitably long range at them through the Runestone, including Bigby’s hand, chain lightning
, fireball, and meteor swarm, as the opportunity presents itself. See area 14 for information on the Runestone. 13b. Glaring Gargoyles This side cavern has an uneven floor and ceiling 50 feet high and is
Compendium
- Sources->Dungeons & Dragons->Mythic Odysseys of Theros
brought them to her web. Arasta casts the giant insect spell (spiders only). It lasts until she uses this lair action again or until she dies. Regional Effects. The region containing Arasta’s lair is
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
Compendium
- Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus
magic, hold monster, 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
. Only one legendary action option can be used at a time and only at the end of another creature’s turn. Bel regains spent legendary actions at the start of his turn.
Fireball. Bel casts fireball
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
9th level (1 slot): meteor swarm, wish
Actions
Blast Scepter. Halaster uses his blast scepter to cast thunderwave as a 4th-level spell (save DC 16).
Legendary Actions
Halaster can take 3
start of his turn.
Cast Spell. Halaster casts a spell of 3rd level or lower.
Spell Ward (Costs 2 Actions). Halaster expends a spell slot of 4th level or lower and gains 5 temporary hit points per level of the slot.
Compendium
- Sources->Dungeons & Dragons->The Book of Many Things
must make a DC 20 Dexterity saving throw, taking 42 (12d6) acid damage on a failed save, or half as much damage on a successful one.
Spellcasting. Aurnozci casts one of the following spells, requiring
tear apart the cocoon, ending the cocoon’s effect with a successful DC 23 Strength (Athletics) check. Insect Swarm. Aurnozci creates a 30-foot-radius sphere of stinging wasps centered on a point within






