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Returning 35 results for 'monsters swarm with only act from for light'.
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Magic Items
Dungeon Master’s Guide
last only as long as you strive to do good. If you fail to perform at least one act of kindness or generosity within the span of 10 days, or if you willingly perform an evil act, you lose all the
cast a spell counts as a spell slot of one level higher.
Halo. After you spend the requisite amount of time reading and studying the book, you gain a protective halo. This halo sheds Bright Light in
Monsters
Mordenkainen Presents: Monsters of the Multiverse
eyes and ears for the colony’s elder brain, transmitting their thoughts when they swarm and are within range of the elder brain’s telepathy.Illumination. The cranium rat sheds dim light from its exposed brain in a 5-foot radius or extinguishes the light.
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
Monsters
Mordenkainen Presents: Monsters of the Multiverse
rats as spies. The rats invade communities and act as eyes and ears for the colony’s elder brain, transmitting their thoughts when they swarm and are within range of the elder brain’s
telepathy.Bludgeoning, Piercing, SlashingIllumination. The swarm sheds dim light from its brains in a 5-foot radius, increases 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 extinguishes the light.
Magic Items
Dungeon Master’s Guide
minute. To you, solid objects within that radius appear transparent and don’t prevent light from passing through themselves. The vision can penetrate 1 foot of stone, 1 inch of common metal, or up to
Concentration required), demanding that you commit an evil act. The hand might have a specific act in mind or leave it up to you.
Hand of Vecna Spells
Spell
Charge Cost
Finger of Death
5
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
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
Planescape: Adventures in the Multiverse
psionic abilities and the accumulated memories of its constituents.Bludgeoning, Piercing, SlashingIllumination. The swarm sheds dim light from its brains in a 5-foot radius, increases the illumination to
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
Planescape: Adventures in the Multiverse
which is determined by the swarm’s location:
Upper Plane. The target sheds bright light in a 5-foot radius until the end of its next turn. During that time, the invisible condition has no effect
pets of doting, highly protective owners.Illumination. The swarm sheds bright light in a 15-foot radius and dim light for an additional 15 feet, or it uses a bonus action to extinguish the light.
Monsters
Fizban's Treasury of Dragons
bipedal monsters born from dragon eggs that have been corrupted or warped by powerful magic. Most often, this corruption is a deliberate act, the work of an aspiring tyrant seeking to transform stolen eggs
.
When draconians die, they do not go quietly. Instead, their lifeless bodies unleash a last act of magical violence.
Monsters
Planescape: Adventures in the Multiverse
large numbers, their cranium rat squeaker swarm;swarms merge into a single intelligence with enhanced psionic abilities and the accumulated memories of its constituents.Illumination. The cranium rat sheds dim light from its exposed brain in a 5-foot radius or extinguishes the light.
Monsters
Fizban's Treasury of Dragons
flames, scorching everything around them.
On the world of Krynn, draconian dreadnoughts formed from silver dragon eggs are called sivak draconians.
Draconians
Draconians are bipedal monsters born
from dragon eggs that have been corrupted or warped by powerful magic. Most often, this corruption is a deliberate act, the work of an aspiring tyrant seeking to transform stolen eggs into a
Monsters
Fizban's Treasury of Dragons
soldiers formed from brass dragon eggs are called baaz draconians.
Draconians
Draconians are bipedal monsters born from dragon eggs that have been corrupted or warped by powerful magic. Most often
, this corruption is a deliberate act, the work of an aspiring tyrant seeking to transform stolen eggs into a draconian army. A single corrupted egg yields several draconians of the same kind. A
Monsters
Fizban's Treasury of Dragons
dissolve into pools of acid.
On the world of Krynn, draconian infiltrators formed from copper dragon eggs are called kapak draconians.
Draconians
Draconians are bipedal monsters born from dragon eggs
that have been corrupted or warped by powerful magic. Most often, this corruption is a deliberate act, the work of an aspiring tyrant seeking to transform stolen eggs into a draconian army. A single
Monsters
Quests from the Infinite Staircase
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
long as the climate remains hospitable to their fungal bodies.
To learn more about vegepygmies, see Monsters of the Multiverse.Lightning, Piercing
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
The Wild Beyond the Witchlight
act, that creature must succeed on a DC 18 Intelligence (Investigation) check to discern that the golem is animate.
Immutable Form. The golem is immune to any spell or effect that would alter its
);{"diceNotation":"1d8+1","rollType":"damage","rollAction":"Glass Sword","rollDamageType":"slashing"} slashing damage.Poison, PsychicDazzling Light (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge
Monsters
Planescape: Adventures in the Multiverse
Shadowy Form. While the darkweaver is in dim light or darkness, attack rolls against it are made with disadvantage unless the darkweaver has the incapacitated condition.
Spider Climb. The darkweaver
from across the planes experience reality. For them, the act of eating is an experience to be drawn out and savored, with every meal considered in all its facets. Whether its fare is a demon, an
Monsters
Fizban's Treasury of Dragons
.
Draconians
Draconians are bipedal monsters born from dragon eggs that have been corrupted or warped by powerful magic. Most often, this corruption is a deliberate act, the work of an aspiring tyrant
of draconians have wings.
When draconians die, they do not go quietly. Instead, their lifeless bodies unleash a last act of magical violence.
Monsters
Mordenkainen Presents: Monsters of the Multiverse
spending 5 feet of its movement on its turn. A creature, including the target, can use its action to detach the sorrowsworn.Horrid little monsters, wretched sorrowsworn—or the Wretched&mdash
landscape and visit horror on those who stumble into their midst. Each sorrowsworn personifies a different aspect of despair or distress.Bludgeoning, Piercing, and Slashing while in Dim Light or Darkness
Monsters
Guildmasters’ Guide to Ravnica
with spell attacks). It has the following cleric spells prepared:
Cantrips (at will): fire bolt, light, sacred flame, spare the dying
1st level (4 slots): guiding bolt, healing word, heroism, shield
, inspiring all who serve alongside them. They often act as the point of contact between the Boros Legion and the angelic leaders.
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
"} to hit with spell attacks). Baba Lysaga has the following wizard spells prepared:
Cantrips (at will): acid splash, fire bolt, light, mage hand, prestidigitation
1st level (4 slots): detect magic
Monsters
Fizban's Treasury of Dragons
False Appearance. If the scarab is motionless at the start of combat, it has advantage on its initiative roll. Moreover, if a creature hasn’t observed the scarab move or act, that creature must
lair.Scale Dust (1/Day). The scarab releases magical glittering dust from its wings. Each creature within 5 feet of the scarab must succeed on a DC 13 Dexterity saving throw or be outlined in blue light
Monsters
Spelljammer: Adventures in Space
damage. A Humanoid reduced to 0 hit points by this attack dies and instantly transforms into a free-willed shadow under the DM’s control.
Light Crossbow. Ranged Weapon Attack: +4;{"diceNotation
":"1d20+4","rollType":"to hit","rollAction":"Light Crossbow"} to hit, range 80/320 ft., one target. Hit: 11 (2d8 + 2);{"diceNotation":"2d8+2","rollType":"damage","rollAction":"Light Crossbow
Monsters
Mordenkainen Presents: Monsters of the Multiverse
tail is a club that can rattle body and soul if it strikes true, leaving a victim unable to act while the catoblepas feasts on its body.
Blighted Territory
A catoblepas’s nature as a creature of
, drinking the monsters’ milk and using them as guardians or pets. Other legends say that those of impure heart can tame a catoblepas and whisper of malevolent warlocks and wicked knights who ride them into battle.
Monsters
Waterdeep: Dungeon of the Mad Mage
short or long rest. Halaster has the following wizard spells prepared:
Cantrips (at will): dancing lights, fire bolt, light, mage hand, prestidigitation
1st level (4 slots): mage armor, magic missile
, 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
Monsters
Mordenkainen Presents: Monsters of the Multiverse
target, the claw can attack only that target.
Shadow Jump (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Shadow Jump"}. If the boneclaw is in dim light or darkness, each
creature to an unoccupied space it can see within 5 feet of its destination. The destination spaces of this teleportation must be in dim light or darkness.Deadly Reach. In response to a creature entering
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
Mordenkainen Presents: Monsters of the Multiverse
;t stunned.
Spellcasting. The diviner casts one of the following spells, using Intelligence as the spellcasting ability (spell save DC 15):
At will: light, mage hand, message, prestidigitation
2
the d20 rolled for the attack roll, saving throw, or ability check.Diviners peer into the future and know that knowledge is power. They might act aloof and mysterious, hinting at omens and secrets, or
Monsters
The Book of Many Things
Undead in the Grim Harrow, considering himself better than all of them and unjustly condemned to the Gardens of Decay for an act of altruism.
Though the weakest of the 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 his fingertips
Monsters
Bigby Presents: Glory of the Giants
(Requires Stone Rune). The giant’s stone rune emits beams of light that form a 60-foot cone. Each creature in that area must make a DC 17 Dexterity saving throw. For each creature in that area, roll
. Within their communities, they act as leaders and oracles.
Rockspeakers incorporate crystals and stones into their clothing and embed them in their skin. By invoking the power of their stone runes
Monsters
Mordenkainen Presents: Monsters of the Multiverse
. Both the space it leaves and its destination must be in dim light or darkness.
Spellcasting. The hobgoblin casts one of the following spells, using Intelligence as the spellcasting ability (spell save
monsters, both to conceal their identities and to strike fear into their foes.
An iron shadow is usually recruited from the ranks of the Feywild’s hobgoblin armies or from among the hobgoblins who
Monsters
Vecna: Eve of Ruin
’t observed the mirror shade move or act, that creature must succeed on a DC 18 Intelligence (Investigation) check to discern that the mirror shade isn’t the creature’s own reflection
enter the afterlife, the spirit sometimes becomes a mirror shade instead. Mirror shades are incorporeal Undead that, in their true forms, look like person-shaped blobs of shining light. More often
Monsters
Waterdeep: Dungeon of the Mad Mage
the target, or takes a bonus action to end the effect.
Children of the Night (1/Day). Keresta 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, Keresta can call 3d6;{"diceNotation":"3d6","rollType":"roll","rollAction":"Children of the Night"} giant
Monsters
Eberron: Rising from the Last War
(Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Incinerating Beam"}. The colossus fires a beam of light in a 150-foot line that is 10 feet wide. Each creature in the line must make a
decisively, the colossi pulverized hundreds of soldiers beneath their feet and incinerated whole legions with beams of fiery light that shot from their mouths. This rampage was cut short on the Day of
Monsters
Mordenkainen Presents: Monsters of the Multiverse
evil act if the victim-to-be is a willing sacrifice.
In the ritual, a living person’s chest is pierced and the heart removed. A seed is pushed into the heart, which is then placed in a tree
only to protect woodlands and the people who tend them. A wood woad’s face is void and expressionless, except for the motes of light that swim about in its eye sockets. Wood woads speak little






