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Returning 35 results for 'roll swarm'.
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Monsters
Monster Manual
Fetid Aura. Constitution Saving Throw: DC 12, any creature that starts its turn in a 10-foot Emanation originating from the swarm. Failure: The target has the Poisoned condition until the start of
its next turn. While Poisoned, the target can take either an action or a Bonus Action on its turn, not both, and it can’t take Reactions.
Swarm. The swarm can occupy another creature’s
Monsters
Monster Manual
Hellish Restoration. If the swarm dies in the Nine Hells, it revives with all its Hit Points in 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Hellish Restoration"} days unless it is
killed by a creature under the effects of a Bless spell or its remains are sprinkled with Holy Water.
Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move
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
Temporary Hit Points.Bites. Melee Attack Roll: +2;{"diceNotation":"1d20+2", "rollType":"to hit", "rollAction":"Bites"}, reach 5 ft. Hit: 5 (2d4);{"diceNotation":"2d4", "rollType":"damage", "rollAction
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 snake. The swarm can’t regain Hit Points or gain
Temporary Hit Points.Bites. Melee Attack Roll: +6;{"diceNotation":"1d20+6", "rollType":"to hit", "rollAction":"Bites"}, reach 5 ft. Hit: 8 (1d8 + 4);{"diceNotation":"1d8 + 4", "rollType":"damage
Monsters
Monster Manual
Temporary Hit Points.
Water Breathing. The swarm can breathe only underwater.Bites. Melee Attack Roll: +5 (with Advantage if the target doesn’t have all its Hit Points), reach 5 ft. Hit: 8 (2d4
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 piranha. The swarm can’t regain Hit Points or gain
Monsters
Monster Manual
Temporary Hit Points.Swarm of Grasping Hands. Melee Attack Roll: +4;{"diceNotation":"1d20+4", "rollType":"to hit", "rollAction":"Swarm of Grasping Hands"}, reach 5 ft. Hit: 20 (4d8 + 2
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 creature. The swarm can’t regain Hit Points or gain
Monsters
Monster Manual
Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move through an opening large enough for a Medium creature. The swarm can’t regain Hit Points or
gain Temporary Hit Points.Bites. Melee Attack Roll: +4;{"diceNotation":"1d20+4", "rollType":"to hit", "rollAction":"Bites"}, reach 5 ft. Hit: 9 (2d6 + 2);{"diceNotation":"2d6+2", "rollType":"damage
Monsters
Monster Manual
Temporary Hit Points.Swarm of Proboscises. Melee Attack Roll: +5;{"diceNotation":"1d20+5", "rollType":"to hit", "rollAction":"Swarm of Proboscises"}, reach 5 ft. Hit: 14 (2d10 + 3);{"diceNotation
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 creature. The swarm can’t regain Hit Points or gain
Magic Items
Dungeon Master’s Guide
expend to cast the spell.
Spell
Charge Cost
Giant Insect
4
Insect Plague
5
Regaining Charges. The staff regains 1d6 + 4 expended charges daily at dawn. If you expend the last charge, roll 1d20. On a 1, a swarm of insects consumes and destroys the staff, then disperses.
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
Monsters
Monster Manual
’s space and vice versa, and the swarm can move through any opening large enough for a Tiny insect. The swarm can’t regain Hit Points or gain Temporary Hit Points.Bites. Melee Attack Roll
Spider Climb. If the swarm has a Climb Speed, the swarm can climb difficult surfaces, including along ceilings, without needing to make an ability check.
Swarm. The swarm can occupy another creature
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 raven. The swarm can’t regain Hit Points or gain
Temporary Hit Points.Beaks. Melee Attack Roll: +4;{"diceNotation":"1d20+4", "rollType":"to hit", "rollAction":"Beaks"}, reach 5 ft. Hit: 5 (1d6 + 2);{"diceNotation":"1d6+2", "rollType":"damage
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 bat. The swarm can’t regain Hit Points or gain
Temporary Hit Points.Bites. Melee Attack Roll: +4;{"diceNotation":"1d20+4", "rollType":"to hit", "rollAction":"Bites"}, reach 5 ft. Hit: 5 (2d4);{"diceNotation":"2d4", "rollType":"damage", "rollAction
Magic Items
Dungeon Master’s Guide
. Roll 1d4 to determine the creature: on a 1, a Camel; on a 2, a Constrictor Snake; on a 3, an Elephant; on a 4, a Mule.
86–90
A Hostile Swarm of Bats flies out of the hat, occupies your space
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
Monsters
Monster Manual
the end of its next turn. While bewildered, the target subtracts 1d4;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Mired"} from its saving throws.
Magic Resistance. The animal lord has
Roll: +13;{"diceNotation":"1d20+13", "rollType":"to hit", "rollAction":"Rend"}, reach 5 ft. Hit: 14 (2d6 + 7);{"diceNotation":"2d6+7", "rollType":"damage", "rollAction":"Rend", "rollDamageType
Monsters
Monster Manual
, the target subtracts 1d4;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Mired"} from its saving throws.
Magic Resistance. The animal lord has Advantage on saving throws against spells and
other magical effects.Multiattack. The animal lord makes two attacks, using Rend or Radiant Ray in any combination, and uses Animal Spirit.
Rend. Melee Attack Roll: +13;{"diceNotation":"1d20+13
Monsters
Candlekeep Mysteries
False Objects. 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 15 Wisdom (Perception) 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 any opening
Monsters
Van Richten’s Guide to Ravenloft
respond to sinister forces at work in a land. As nefarious powers grip an area, populations of maggots, scarabs, and similar scavenging insects explode and become aggressive predators. Roll on 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 maggot. The swarm can’t regain hit points or gain
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
spell attack roll missing the swarm, the swarm causes that spell to hit another creature of its choice within 30 feet of it that it can see.Gremishka;Gremishkas are the vicious products of mistakes made
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
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
Monsters
Van Richten’s Guide to Ravenloft
nefarious powers grip an area, populations of maggots, scarabs, and similar scavenging insects explode and become aggressive predators. Roll on the Swarm Behavior table to see how such swarms might
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
Mordenkainen Presents: Monsters of the Multiverse
’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
the bag and rolls initiative. At the end of each of the swarm’s turns, there’s a 50 percent;{"diceNotation":"1d100","rollType":"roll","rollAction":"Wasp Nest in a Bag"} chance that the
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
Curse of Strahd
). 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
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
Monsters
The Book of Many Things
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
difficult terrain. When the sphere appears, each creature in it must make a DC 20 Constitution saving throw, taking 16 (3d10);{"diceNotation":"3d10", "rollType":"damage", "rollAction":"Insect Swarm
Monsters
Adventure Atlas: The Mortuary
False Appearance. If the animated coffin is motionless at the start of combat, it has advantage on its initiative roll. Moreover, if a creature hasn’t observed the coffin move or act, that
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
Monsters
Guildmasters’ Guide to Ravnica
Hive Mind. The kraul is immune to the charmed and frightened conditions while within 30 feet of at least one other kraul.
Pack Tactics. The kraul has advantage on an attack roll against a creature if
","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
Guildmasters’ Guide to Ravnica
medusa has advantage on attack rolls against any creature that is surprised, and it deals an extra 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Surprise Attack"} damage each time it hits
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
Guildmasters’ Guide to Ravnica
":"roll","rollAction":"Feed on Death"} temporary hit points, provided the kraul isn't incapacitated.
Hive Mind. The kraul is immune to the charmed and frightened conditions while within 30 feet of at least
: 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
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
’t up. While outdoors, Strahd can call 3d6;{"diceNotation":"3d6","rollType":"roll","rollAction":"Children of the Night"} wolf;wolves instead. The called creatures arrive in 1d4;{"diceNotation":"1d4
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
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
Monsters
Guildmasters’ Guide to Ravnica
, or half as much damage on a successful one.Feed on Death. When a creature within 30 feet of the shaman drops to 0 hit points, the shaman gains 5 (1d10);{"diceNotation":"1d10","rollType":"roll
","rollAction":"Feed on Death"} temporary hit points.Golgari shamans are the spiritual leaders of the Golgari Swarm. They teach the guild's beliefs about the cycles of nature, using their necromantic magic to
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
":"1d8","rollType":"damage","rollAction":"Dwarven Thrower","rollDamageType":"bludgeoning"} bludgeoning damage (2d8;{"diceNotation":"2d8","rollType":"roll","rollAction":"Dwarven Thrower"} if the target
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