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Returning 35 results for 'master swarm with only act first for light'.
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Spells
Player’s Handbook
Swarming locusts fill a 20-foot-radius Sphere centered on a point you choose within range. The Sphere remains for the duration, and its area is Lightly Obscured and Difficult Terrain.
When the swarm
the spell’s area for the first time on a turn or ends its turn there. A creature makes this save only once per turn.
Using a Higher-Level Spell Slot. The damage increases by 1d10 for each spell slot level above 5.
Magic Items
Dungeon Master’s Guide
;D20 Tests. In addition, a Cleric or Druid in the light can cast level 1 spells they have prepared without expending spell slots.
Alternatively, when you light the candle for the first time, you can
. Deduct the time it burned in increments of 1 minute from its total burn time.
While lit, the candle sheds Dim Light in a 30-foot radius. While you are within that light, you have Advantage on D20 Test
Magic Items
Dungeon Master’s Guide
You can cast Dancing Lights or Light from the ring.
The ring has 6 charges and regains 1d6 expended charges daily at dawn. You can expend its charges to use the properties below.
Faerie Fire. You
an unoccupied space you can see within 120 feet of yourself. The spheres last as long as you maintain Concentration, up to 1 minute. Each sphere sheds Dim Light in a 30-foot radius.
As a Bonus Action
Magic Items
Dungeon Master’s Guide
This prism has 50 charges. While you are holding it, you can take a Magic action and use one of three command words to cause one of the following effects:
First Command Word. The gem sheds Bright
Light in a 30-foot radius and Dim Light for an additional 30 feet. This effect doesn’t expend a charge. It lasts until you take a Bonus Action to repeat the command word or until you use another
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
Monster Manual
expending extra movement to do so, and it can enter a creature’s space and stop there. The first time it enters a creature’s space on a turn, that creature takes 5 (1d10);{"diceNotation
":"1d10", "rollType":"damage", "rollAction":"Fire Form", "rollDamageType":"Fire"} Fire damage.
Illumination. The elemental sheds Bright Light in a 30- foot radius and Dim Light for an additional 30 feet
Monsters
Monster Manual
":"Flame Aura", "rollDamageType":"Fire"} Fire damage.
Illumination. The gorgon sheds Bright Light in a 10-foot radius and Dim Light for an additional 10 feet.Multiattack. The gorgon makes two Gore attacks
Medium or smaller creatures. Each time the gorgon enters a creature’s space for the first time during this move, that target is subjected to the following effect. Dexterity Saving Throw: DC 16
Spells
Player’s Handbook
You unleash a storm of flashing light and raging thunder in a 10-foot-radius, 40-foot-high Cylinder centered on a point you can see within range. While in this area, creatures have the Blinded and
damage on a failed save or half as much damage on a successful one. A creature also makes this save when it enters the spell’s area for the first time on a turn or ends its turn there. A
Equipment
An an action, you can light a Dynamite Stick and throw it at a point up to 60 feet away, where it explodes. Each creature in a 5-foot-radius Sphere centered on that point makes a DC 12 Dexterity
stick after the first increases the damage by 1d6 (to a maximum of 10d6) and the effect’s radius by 5 feet (to a maximum of 20 feet).
It takes 1 minute to rig dynamite with a longer fuse so it explodes after a longer period of time, such as 1 minute or 10 minutes.
Monsters
Monster Manual
Throw: DC 18, each creature in a 60-foot Cone. First Failure: The target has the Incapacitated condition until the end of its next turn, at which point it repeats the save. Second Failure: The target
the start of each of its turns.
Blazing Light. The dragon uses Spellcasting to cast Scorching Ray.
Pounce. The dragon moves up to half its Speed, and it makes one Rend attack.
Scorching Sands
Monsters
Monster Manual
. Constitution Saving Throw: DC 21, each creature in a 90-foot Cone. First Failure: The target has the Incapacitated condition until the end of its next turn, at which point it repeats the save. Second
dragon regains all expended uses at the start of each of its turns.
Blazing Light. The dragon uses Spellcasting to cast Scorching Ray (level 3 version).
Pounce. The dragon moves up to half its Speed
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
This item first appears to be a sealed iron barrel weighing 500 pounds. The barrel has a hidden catch, which can be found with a successful DC 20 Intelligence (Investigation) check. Releasing the
degrees clockwise provided its legs are extended.
8
Eyelike fixtures emit Bright Light in a 30-foot radius and Dim Light for an additional 30 feet.
The light turns off.
9
The apparatus
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
Spells
Player’s Handbook
also set conditions for creatures that don’t trigger the glyph, such as those who say a certain password.
Once triggered, the glyph glows, filling a 60-foot-radius Sphere with Dim Light for 10
minutes, after which time the spell ends. Each creature in the Sphere when the glyph activates is targeted by its effect, as is a creature that enters the Sphere for the first time on a turn or ends
Magic Items
Dungeon Master’s Guide
) check related to the Abyss. When you do so, you gain Advantage on the check.
Containment. The first ten pages of the Demonomicon are blank. As a Magic action while holding the book, you can target a
the Dungeon Master’s Guide):
2 minor beneficial properties
1 minor detrimental property
1 major detrimental property
Spells. The book has 8 charges and regains 1d8 expended charges daily
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
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
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
Van Richten’s Guide to Ravenloft
the appropriate type to the target. A creature reduced to 0 hit points by the swarm’s piercing damage dies.Base creatures are among the first to respond to sinister forces at work in a land. As
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
The Book of Many Things
darkness, it teleports up to 30 feet to an unoccupied space it can see that is also in dim light or darkness. The hawk then has advantage on the first melee attack it makes before the end of the turn.
Shift (2/Day). The hawk casts Plane Shift on itself, requiring no spell components and using Wisdom as the spellcasting ability.When a beloved animal companion dies traumatically alongside its master
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
Monsters
Mordenkainen Presents: Monsters of the Multiverse
throw and only half damage if it fails, provided it isn’t incapacitated.
Legendary Resistance (3/Day). If the skull lord fails a saving throw, it can choose to succeed instead.
Master of the
":"Master of the Grave"} hit points whenever it starts its turn there.
Unusual Nature. The skull lord doesn’t require air, food, drink, or sleep.Multiattack. The skull lord makes three Bone Staff or
Monsters
Mordenkainen Presents: Monsters of the Multiverse
Rejuvenation. While its master lives, a destroyed boneclaw gains a new body in 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Hours"} hours, with all its hit points. The new body
appears within 1 mile of the boneclaw’s master.
Unusual Nature. The boneclaw doesn’t require air, food, drink, or sleep.Multiattack. The boneclaw makes two Piercing Claw attacks.
Piercing
Monsters
Acquisitions Incorporated
light or darkness. She then has advantage on the first melee attack she makes before the end of the turn.
Innate Spellcasting. Rosie's innate spellcasting ability is Wisdom (spell save DC 12). She can
can't use this trait if she's incapacitated.
Shadow Step. When Rosie is in dim light or darkness, she can use a bonus action to teleport 60 feet to an unoccupied space she can see that is also in dim
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
The Book of Many Things
in consumption. Periodically, the Eye of Aurnozci communes with their horrifying master or leads a ceremony of propitiation in the Firehive. In combat, Aurnozci screeches horribly and attacks any
"} fire damage when it enters the ashes’ space for the first time on a turn or starts its turn there.
Aurnozci’s Lair
Aurnozci’s lair is a layer of the Abyss called Xulregg. See
Magic Items
The Book of Many Things
, along with anything you are wearing or carrying, up to 30 feet to an unoccupied space you can see that is also in dim light or darkness. You then have advantage on the first melee attack you make
. If you already have darkvision, the mantle increases your darkvision’s range by 60 feet instead.
Move in Shadows. While you are in dim light or darkness, you can use a bonus action to teleport
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
Monstrous Compendium Vol. 2: Dragonlance Creatures
.
The wall of briars lasts until the start of the Forest Master’s next turn. The wall blocks line of sight and counts as difficult terrain for all creatures except the Forest Master. The first time
Legendary Resistance (2/Day). If the Forest Master fails a saving throw, he can choose to succeed instead.
Magic Resistance. The Forest Master has advantage on saving throws against spells and other
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