madness starts with only affected from for light

Faerie Fire

Spells Player’s Handbook

, objects and affected creatures shed Dim Light in a 10-foot radius and can’t benefit from the Invisible condition. Attack rolls against an affected creature or object have Advantage if the attacker can see it.

Objects in a 20-foot Cube within range are outlined in blue, green, or violet light (your choice). Each creature in the Cube is also outlined if it fails a Dexterity saving throw. For the duration

Magmin

Monsters Monster Manual

worn or carried, it starts burning.FireIgnited Illumination. The magmin sets itself ablaze or extinguishes its flames. While ablaze, the magmin sheds Bright Light in a 10-foot radius and Dim Light for an additional 10 feet.

Meteor Swarm

Spells Player’s Handbook

. A creature takes 20d6 Fire damage and 20d6 Bludgeoning damage on a failed save or half as much damage on a successful one. A creature in the area of more than one fiery Sphere is affected only once

. A nonmagical object that isn’t being worn or carried also takes the damage if it’s in the spell’s area, and the object starts burning if it’s flammable.

Zone of Truth

Spells Player’s Handbook

time on a turn or starts its turn there makes a Charisma saving throw. On a failed save, a creature can’t speak a deliberate lie while in the radius. You know whether a creature succeeds or

fails on this save. An affected creature is aware of the spell and can avoid answering questions to which it would normally respond with a lie. Such a creature can be evasive yet must be truthful.

Cloaker

Monsters Monster Manual

using Wisdom as the spellcasting ability. The spell ends early if the cloaker starts or ends its turn in Bright Light.

Light Sensitivity. While in Bright Light, the cloaker has Disadvantage on attack rolls.Multiattack. The cloaker makes one Attach attack and two Tail attacks. Attach. Melee Attack Roll: +6

Fire Elemental

Monsters Monster Manual

":"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

":"Burn"}, reach 5 ft. Hit: 10 (2d6 + 3);{"diceNotation":"2d6+3", "rollType":"damage", "rollAction":"Burn", "rollDamageType":"Fire"} Fire damage. If the target is a creature or a flammable object, it starts burning.Fire, PoisonBludgeoning, Piercing, Slashing

Helm of Brilliance

Magic Items Dungeon Master’s Guide

Emanation is filled with Dim Light. Any Undead that starts its turn in that area takes 1d6 Radiant damage. Fire Opal Flames. As long as the helm has at least one fire opal, you can take a Magic action

. You gain the following benefits while wearing the helm. Diamond Light. As long as it has at least one diamond, the helm emits a 30-foot Emanation. When at least one Undead is within that area, the

Hunger of Hadar

Spells Player’s Handbook

is Difficult Terrain, and it is filled with strange whispers and slurping noises, which can be heard up to 30 feet away. No light, magical or otherwise, can illuminate the area, and creatures fully

within it have the Blinded condition. Any creature that starts its turn in the area takes 2d6 Cold damage. Any creature that ends its turn there must succeed on a Dexterity saving throw or take 2d6 Acid

Conjure Celestial

Spells Player’s Handbook

You conjure a spirit from the Upper Planes, which manifests as a pillar of light in a 10-foot-radius, 40-foot-high Cylinder centered on a point within range. For each creature you can see in the

Cylinder, choose which of these lights shines on it: Healing Light. The target regains Hit Points equal to 4d12 plus your spellcasting ability modifier. Searing Light. The target makes a Dexterity

Vampire Nightbringer

Monsters Monster Manual

Sunlight Hypersensitivity. The vampire takes 10 Radiant damage if it starts its turn in sunlight. While in sunlight, it has Disadvantage on attack rolls and ability checks.Multiattack. The vampire

", "rollDamageType":"Slashing"} Slashing damage plus 14 (4d6);{"diceNotation":"4d6", "rollType":"damage", "rollAction":"Shadow Strike", "rollDamageType":"Cold"} Cold damage.Cold, NecroticShadow Stealth. While in Dim Light or Darkness, the vampire takes the Hide action.

Hallow

Spells Player’s Handbook

Hallow. The affected area has the following effects. Hallowed Ward. Choose any of these creature types: Aberration, Celestial, Elemental, Fey, Fiend, or Undead. Creatures of the chosen types can’t

. Darkness. Darkness fills the area. Normal light, as well as magical light created by spells of a level lower than this spell, can’t illuminate the area. Daylight. Bright light fills the area

Prismatic Wall

Spells Player’s Handbook

A shimmering, multicolored plane of light forms a vertical opaque wall—up to 90 feet long, 30 feet high, and 1 inch thick—centered on a point within range. Alternatively, you shape the

without effect. The wall sheds Bright Light within 100 feet and Dim Light for an additional 100 feet. You and creatures you designate when you cast the spell can pass through and be near the wall without

Adult Gold Dragon

Monsters Monster Manual

, each creature that isn’t currently affected by this breath in a 60-foot Cone. Failure: The target has Disadvantage on Strength-based D20 Test;D20 Tests and subtracts 3 (1d6);{"diceNotation":"1d6

. Guiding Light. The dragon uses Spellcasting to cast Guiding Bolt (level 2 version). Pounce. The dragon moves up to half its Speed, and it makes one Rend attack.Fire

Ancient Gold Dragon

Monsters Monster Manual

Weakening Breath. Strength Saving Throw: DC 24, each creature that isn’t currently affected by this breath in a 90-foot Cone. Failure: The target has Disadvantage on Strength-based D20 Test;D20 Tests

action again until the start of its next turn. Guiding Light. The dragon uses Spellcasting to cast Guiding Bolt (level 4 version). Pounce. The dragon moves up to half its Speed, and it makes one Rend attack.Fire

Elementalism

Spells Player’s Handbook

and shutters, all in a 5-foot Cube. Doors and shutters being held open by someone or something aren’t affected. Beckon Earth. You create a thin shroud of dust or sand that covers surfaces in a

-foot Cube. You choose the color and scent, and the embers can light candles, torches, or lamps in that area. The smoke’s scent lingers for 1 minute. Beckon Water. You create a spray of cool mist

Wand of Wonder

Magic Items Dungeon Master’s Guide

becomes 120 feet when cast from the wand. If an effect has multiple possible subjects, the DM determines randomly which among them are affected. Regaining Charges. The wand regains 1d6 + 1 expended

closest to the chosen point of origin is enlarged as if you had cast Enlarge/Reduce on it. If the target isn’t you and can’t be affected by that spell, you become the target instead. 56

Imprisonment

Spells Player’s Handbook

;t locate or perceive the imprisoned target, and the target can’t teleport. Until the spell ends, the target is also affected by one of the following effects of your choice: Burial. The target

similar object. Light can pass through the gemstone (allowing the target to see out and other creatures to see in), but nothing else can pass through by any means. Slumber. The target has the

Eye and Hand of Vecna

Magic Items Dungeon Master’s Guide

Clairvoyance 2 Crown of Madness 1 Disintegrate 4 Dominate Monster 5 Eyebite 4 X-ray Vision. You can take a Magic action to gain X-ray vision with a range of 30 feet for 1

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

Crown of Horns

Magic Items Forgotten Realms: Adventures in Faerûn

instantly complete this transformation. Cone of Undeath. You can take a Magic action to unleash a wave of unholy light in a 60-foot Cone. Each creature in the Cone makes a DC 18 Constitution saving throw

crown, you emit an aura of terrifying energy in a 60-foot Emanation. A creature that enters this area for the first time on a turn or starts its turn there must succeed on a DC 16 Wisdom saving throw or

Vampire Infernalist

Monsters Astarion's Book of Hungers

vampire has the Incapacitated condition in its resting place, the vampire has the Paralyzed condition until the weapon is removed. Sunlight. The vampire takes 20 Radiant damage if it starts its turn in

course it is. —Astarion on Vampire Infernalists Vampire Infernalist Lairs Vampire infernalists lurk in gloomy libraries or ritual chambers, far from the sun’s light. The region

Belashyrra

Monsters Eberron: Rising from the Last War

madness (see “Madness of Belashyrra” below). A creature that succeeds on this saving throw can’t be affected by this regional effect again for 24 hours. If Belashyrra dies, these

. If it takes radiant damage, this trait doesn’t function at the start of its next turn. Belashyrra dies only if it starts its turn with 0 hit points and doesn’t regenerate. Teleport. As a

Alkilith Legacy

Monsters Mordenkainen’s Tome of Foes

fungus. Foment Madness. Any creature that isn’t a demon that starts its turn within 30 feet of the alkilith must succeed on a DC 18 Wisdom saving throw, or it hears a faint buzzing in its head for

a moment and has disadvantage on its next attack roll, saving throw, or ability check. If the saving throw against Foment Madness fails by 5 or more, the creature is instead subjected to the

Demogorgon Legacy

Monsters Out of the Abyss

descend into a madness determined by the Madness of Demogorgon table. A creature that succeeds on this saving throw can’t be affected by this regional effect again for 24 hours. If Demogorgon dies

Spiraling Depths, Demogorgon is the embodiment of chaos, madness, and destruction, seeking to corrupt all that is good and undermine order in the multiverse, to see everything dragged howling into the

Hallow Legacy

Spells Basic Rules (2014)

that would be affected enters the spell's area for the first time on a turn or starts its turn there, it can make a Charisma saving throw. On a success, the creature ignores the extra effect until it

leaves the area. Courage. Affected creatures can't be frightened while in the area. Darkness. Darkness fills the area. Normal light, as well as magical light created by spells of a lower level than

Dyrrn

Monsters Eberron: Rising from the Last War

’t be affected by this regional effect again for 24 hours. If Dyrrn dies, these effects fade away after 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Madness of DyrrnIf a creature goes mad

damage, this trait doesn’t function at the start of its next turn. Dyrrn dies only if it starts its turn with 0 hit points and doesn’t regenerate. Teleport. As a bonus action, Dyrrn can

Faerie Fire Legacy

Spells Basic Rules (2014)

saving throw. For the duration, objects and affected creatures shed dim light in a 10-foot radius. Any attack roll against an affected creature or object has advantage if the attacker can see it, and the affected creature or object can't benefit from being invisible.

Each object in a 20-foot cube within range is outlined in blue, green, or violet light (your choice). Any creature in the area when the spell is cast is also outlined in light if it fails a Dexterity

Nightmare Haunt

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

uses this action again. When a creature other than the nightmare haunt enters the affected area for the first time or starts its turn there, the creature must succeed on a DC 14 Strength saving throw

or take 11 (2d10);{"diceNotation":"2d10", "rollType":"damage", "rollAction":"Tendrils of Slumber", "rollDamageType":"necrotic"} necrotic damage and have the restrained condition. The affected ground

Baphomet Legacy

Monsters Out of the Abyss

be affected by this regional effect again for 24 hours. If Baphomet dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Madness of Baphomet If a

minotaur—considered the greatest gift of the Prince of Beasts. Baphomet himself appears as a great, black-furred minotaur, 20 feet tall with six iron horns. An infernal light burns in his red eyes

Graz'zt Legacy

Monsters Out of the Abyss

Wisdom saving throw or descend into a madness determined by the Madness of Graz’zt table. A creature that succeeds on this saving throw can’t be affected by this regional effect again for 24

spells, requiring no material components: At will: charm person, crown of madness, detect magic, dispel magic, dissonant whispers 3/day each: counterspell, darkness, dominate person, sanctuary

Juiblex Legacy

Monsters Out of the Abyss

creature must succeed on a DC 18 Wisdom saving throw or descend into a madness determined by the Madness of Juiblex table. A creature that succeeds on this saving throw can’t be affected by this

Foul. Any creature, other than an ooze, that starts its turn within 10 feet of Juiblex must succeed on a DC 21 Constitution saving throw or be poisoned until the start of the creature’s next

Orcus Legacy

Monsters Out of the Abyss

succeed on a DC 23 Wisdom saving throw or descend into a madness determined by the Madness of Orcus table. A creature that succeeds on this saving throw can’t be affected by this regional effect

again for 24 hours. If Orcus dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Madness of Orcus If a creature goes mad in Orcus’s lair or

Medusa Legacy

Monsters Basic Rules (2014)

sees itself reflected on a polished surface within 30 feet of it and in an area of bright light, the medusa is, due to its curse, affected by its own gaze.Multiattack. The medusa makes either three melee

Petrifying Gaze. When a creature that can see the medusa’s eyes starts its turn within 30 feet of the medusa, the medusa can force it to make a DC 14 Constitution saving throw if the medusa isn

Yeenoghu Legacy

Monsters Out of the Abyss

Yeenoghu’s next turn. 3. The target must succeed on a DC 17 Wisdom saving throw or be affected by the confusion spell until the start of Yeenoghu’s next turn. Flail. Melee Weapon Attack: +16

a humanoid spends at least 1 hour within 1 mile of the lair, that creature must succeed on a DC 17 Wisdom saving throw or descend into a madness determined by the Madness of Yeenoghu table. A

Fraz-Urb'luu Legacy

Monsters Out of the Abyss

into a madness determined by the Madness of Fraz-Urb’luu table. A creature that succeeds on this saving throw can’t be affected by this regional effect again for 24 hours. If Fraz-Urb

’luu dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Madness of Fraz-Urb’luu If a creature goes mad in Fraz-Urb’luu’s lair or

Sickening Radiance

Spells Xanathar's Guide to Everything

Dim, greenish light spreads within a 30-foot-radius sphere centered on a point you choose within range. The light spreads around corners, and it lasts until the spell ends. When a creature moves

into the spell's area for the first time on a turn or starts its turn there, that creature must succeed on a Constitution saving throw or take 4d10 radiant damage, suffer one level of exhaustion, and

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