monsters sense with only area for for light

Cloak of the Bat

Magic Items Dungeon Master’s Guide

While wearing this cloak, you have Advantage on Dexterity (Stealth) checks. In an area of Dim Light or Darkness, you can grip the edges of the cloak and use it to gain a Fly Speed of 40 feet. If you

ever fail to grip the cloak’s edges while flying in this way, or if you are no longer in Dim Light or Darkness, you lose this Fly Speed. While wearing the cloak in an area of Dim Light or

Detect Magic

Spells Player’s Handbook

For the duration, you sense the presence of magical effects within 30 feet of yourself. If you sense such effects, you can take the Magic action to see a faint aura around any visible creature or

object in the area that bears the magic, and if an effect was created by a spell, you learn the spell’s school of magic. The spell is blocked by 1 foot of stone, dirt, or wood; 1 inch of metal; or a thin sheet of lead.

Daylight

Spells Player’s Handbook

For the duration, sunlight spreads from a point within range and fills a 60-foot-radius Sphere. The sunlight’s area is Bright Light and sheds Dim Light for an additional 60 feet. Alternatively

, such as a bowl or helm, blocks the sunlight. If any of this spell’s area overlaps with an area of Darkness created by a spell of level 3 or lower, that other spell is dispelled.

Hallow

Spells Player’s Handbook

. 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

. Magical Darkness created by spells of a level lower than this spell can’t extinguish the light. Peaceful Rest. Dead bodies interred in the area can’t be turned into Undead. Extradimensional

Rod of Alertness

Magic Items Dungeon Master’s Guide

throws and can sense the location of any Invisible creature that is also in the Bright Light. The rod’s head stops glowing and the effect ends after 10 minutes or when a creature takes a Magic

, whereupon the rod’s head sheds Bright Light in a 60-foot radius and Dim Light for an additional 60 feet. While in that Bright Light, you and your allies gain a +1 bonus to Armor Class and saving

Darkness

Spells Player’s Handbook

opaque, such as a bowl or helm, blocks the Darkness. If any of this spell’s area overlaps with an area of Bright Light or Dim Light created by a spell of level 2 or lower, that other spell is dispelled.

For the duration, magical Darkness spreads from a point within range and fills a 15-foot-radius Sphere. Darkvision can’t see through it, and nonmagical light can’t illuminate it

Helm of Brilliance

Magic Items Dungeon Master’s Guide

. 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

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

Jallarzi's Storm of Radiance

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

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

Moonbeam

Spells Player’s Handbook

A silvery beam of pale light shines down in a 5-foot-radius, 40-foot-high Cylinder centered on a point within range. Until the spell ends, Dim Light fills the Cylinder, and you can take a Magic

save, a creature takes half as much damage only. A creature also makes this save when the spell’s area moves into its space and when it enters the spell’s area or ends its turn there. A

Darkmantle

Monsters Monster Manual

-foot Emanation originating from the darkmantle. This effect lasts while the darkmantle maintains Concentration on it, up to 10 minutes. Darkvision can’t penetrate this area, and no light can illuminate it.

Leomund's Tiny Hut

Spells Player’s Handbook

creatures in its area. Creatures and objects within the Emanation when you cast the spell can move through it freely. All other creatures and objects are barred from passing through it. Spells of level 3

the spell ends, you can command the interior to have Dim Light or Darkness (no action required). The Emanation is opaque from the outside and of any color you choose, but it’s transparent from the inside. The spell ends early if you leave the Emanation or if you cast it again.

Elementalism

Spells Player’s Handbook

-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

5-foot-square area, or you cause a single word to appear in your handwriting in a patch of dirt or sand. Beckon Fire. You create a thin cloud of harmless embers and colored, scented smoke in a 5

Staff of the Magi

Magic Items Dungeon Master’s Guide

Dispel Magic 3 Enlarge/Reduce 0 Fireball (level 7 version) 7 Flaming Sphere 2 Ice Storm 4 Invisibility 2 Knock 2 Light 0 Lightning Bolt (level 7 version) 7

random plane of existence, avoiding the explosion. If you fail to avoid the effect, you take Force damage equal to 16 times the number of charges in the staff. Each other creature in the area makes a

Wand of Wonder

Magic Items Dungeon Master’s Guide

1d6 Psychic damage. 36–40 Heavy rain falls for 1 minute in a 120-foot-high, 60-foot-radius Cylinder centered on the chosen point of origin. During that time, the area of effect is Lightly

time the area of effect is Heavily Obscured. 46–50 You cast Lightning Bolt. The Line created by the spell extends from you to the chosen point of origin. 51–55 The creature

Monk

Classes Player’s Handbook

: Acrobatics, Athletics, History, Insight, Religion, or Stealth Weapon Proficiencies Simple weapons and Martial weapons that have the Light property Tool Proficiencies Choose one type of Artisan

slaying monsters and plundering treasure; they strive to turn themselves into living weapons. Becoming a Monk... As a Level 1 Character Gain all the traits in the Core Monk Traits table. Gain

Ranger

Classes Player’s Handbook

: Animal Handling, Athletics, Insight, Investigation, Nature, Perception, Stealth, or Survival Weapon Proficiencies Simple and Martial weapons Armor Training Light and Medium armor and

wilderness. A Ranger’s talents and magic are honed with deadly focus to protect the world from the ravages of monsters and tyrants. Becoming a Ranger... As a Level 1 Character Gain all the

Eye and Hand of Vecna

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

Sleep 1 Slow 2 Teleport 3 Properties of the Eye and Hand. While attuned to both the hand and eye, you gain the following additional benefits: Danger Sense. You have Advantage

Barbarian

Classes Player’s Handbook

: Animal Handling, Athletics, Intimidation, Nature, Perception, or Survival Weapon Proficiencies Simple and Martial weapons Armor Training Light and Medium armor and Shields Starting

Defense, Weapon Mastery 2 +2 2 2 +2 Danger Sense, Reckless Attack 2 +2 2 3 +2 Barbarian Subclass, Primal Knowledge 3 +2 2 4 +2 Ability Score Improvement 3 +2 3 5 +3

Symbol

Spells Player’s Handbook

You inscribe a harmful glyph either on a surface (such as a section of floor or wall) or within an object that can be closed (such as a book or chest). The glyph can cover an area no larger than 10

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

Boon of the Bright Sun

Feats Forgotten Realms: Heroes of Faerûn

. As a Bonus Action, you radiate a 30-foot Emanation of Bright Light that is sunlight. If any of the Emanation’s area overlaps with an area of Darkness created by a spell, that spell is dispelled

. The Emanation lasts until you dismiss it (no action required), die, or have the Incapacitated condition. Fortifying Light. When your Daylight Presence is active, at the start of each of your turns, you and allies you can see in your Daylight Presence gain 10 Temporary Hit Points.

Demogorgon Spawn

Monsters Stranger Things: Welcome to the Hellfire Club

Baleful Presence. Sources of light in a 60-foot Emanation originating from the spawn flicker wildly. Nonmagical sources of Bright Light in that area instead shed Dim Light. Regeneration. The spawn

, featureless heads. A Demogorgon spawn’s head opens like a flower in bloom, revealing a gaping maw and five or more fleshy petals lined with teeth. Light flickers in the presence of these resilient predators, foretelling their arrival. Demogorgon spawns relentlessly pursue their prey.PoisonCold, Lightning

Alustriel's Mooncloak

Spells Forgotten Realms: Heroes of Faerûn

For the duration, moonlight fills a 20-foot Emanation originating from you with Dim Light. While in that area, you and your allies have Half Cover and Resistance to Cold, Lightning, and Radiant

condition, you can take a Reaction to succeed on the save instead. Respite. As a Magic action, you or an ally within the area regains Hit Points equal to 4d10 plus your spellcasting ability modifier.

Demodragon

Monsters Stranger Things: Welcome to the Hellfire Club

Baleful Presence. Sources of light in a 120-foot Emanation originating from the demodragon flicker wildly. Nonmagical sources of Bright Light in that area instead shed Dim Light. Regeneration. The

Holy Star of Mystra

Spells Forgotten Realms: Heroes of Faerûn

You create a glowing mote of energy that hovers above you for the duration. The mote sheds Bright Light in a 5-foot radius and Dim Light for an additional 5 feet. When you cast this spell and as a

of level 7 or lower that targeted only you and didn't create an area of effect, you can take a Reaction to deflect that spell back at the spell's caster; the caster makes a saving throw against that spell using that caster's own spell save DC.

Spellfire Storm

Spells Forgotten Realms: Heroes of Faerûn

You conjure a pillar of spellfire in a 20-foot-radius, 20-foot-high Cylinder centered on a point within range. The area of the Cylinder is Bright Light, and each creature in it when it appears makes

a Constitution saving throw, taking 4d10 Radiant 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

Kithkin

Species Lorwyn: First Light

empathic web that lets them sense the feelings of nearby kithkin. Because of this connection, many kithkin trust each other implicitly. Some kithkin remove themselves from this empathic web

temporarily or even permanently for a variety of reasons, often due to trauma suffered during the Phyrexian invasion (see Lorwyn: First Light). Regardless, kithkin typically believe that betraying their own is

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

Detect Magic Legacy

Spells Basic Rules (2014)

For the duration, you sense the presence of magic within 30 feet of you. If you sense magic in this way, you can use your action to see a faint aura around any visible creature or object in the area

Find Traps Legacy

Spells Basic Rules (2014)

harmful or undesirable, which was specifically intended as such by its creator. Thus, the spell would sense an area affected by the alarm spell, a glyph of warding, or a mechanical pit trap, but it

You sense the presence of any trap within range that is within line of sight. A trap, for the purpose of this spell, includes anything that would inflict a sudden or unexpected effect you consider

Cranium Rat Legacy

Monsters Volo's Guide to Monsters

Illumination. As a bonus action, the cranium rat can shed dim light from its brain in a 5-foot radius or extinguish the light. Telepathic Shroud. The cranium rat is immune to any effect that would

sense its emotions or read its thoughts, as well as to all divination spells.Bite. Melee Weapon Attack: +4;{"diceNotation":"1d20+4","rollType":"to hit","rollAction":"Bite"} to hit, reach 5 ft., one target. Hit: 1 piercing damage.

Rod of Alertness Legacy

Magic Items Basic Rules (2014)

is friendly to you gain a +1 bonus to AC and saving throws and can sense the location of any invisible hostile creature that is also in the bright light. The rod's head stops glowing and the effect

the haft end of the rod in the ground, whereupon the rod's head sheds bright light in a 60-foot radius and dim light for an additional 60 feet. While in that bright light, you and any creature that

Daylight Legacy

Spells Basic Rules (2014)

the light. If any of this spell's area overlaps with an area of darkness created by a spell of 3rd level or lower, the spell that created the darkness is dispelled.

A 60-foot-radius sphere of light spreads out from a point you choose within range. The sphere is bright light and sheds dim light for an additional 60 feet. If you chose a point on an object you are

Dagger of Blindsight

Magic Items Waterdeep: Dungeon of the Mad Mage

This rare magic item requires attunement. A creature attuned to it gains blindsight out to a range of 30 feet. The dagger has a saw-toothed edge and a black pearl nested in its pommel

Giant Strider

Monsters Mordenkainen Presents: Monsters of the Multiverse

","rollDamageType":"fire"} fire damage on a failed save, or half as much damage on a successful one. The fire spreads around corners, and it ignites flammable objects in that area that aren’t being worn

or carried.These fierce and majestic monsters exhibit attributes of both birds and reptiles, but are truly neither. Giant striders have a supernatural affinity to fire and can spit gouts of flame at

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