being begins diffusing check radius

Violet Fungus Necrohulk

Monsters Monster Manual

, each creature in a 20-foot-radius Sphere centered on a point the necrohulk can see within 60 feet. Failure: 28 (8d6);{"diceNotation":"8d6", "rollType":"damage", "rollAction":"Spore Bomb

of the necrohulk can take an action to make a DC 15 Strength (Athletics) check. On a successful check, the target is no longer grafted and moves to an unoccupied space within 5 feet of the necrohulk.

Ancient White Dragon

Monsters Monster Manual

Ice Walk. The dragon can move across and climb icy surfaces without needing to make an ability check. Additionally, Difficult Terrain composed of ice or snow doesn’t cost it extra movement

. The dragon regains all expended uses at the start of each of its turns. Freezing Burst. Constitution Saving Throw: DC 20, each creature in a 30-foot-radius Sphere centered on a point the dragon can see

Spike Growth

Spells Player’s Handbook

The ground in a 20-foot-radius Sphere centered on a point within range sprouts hard spikes and thorns. The area becomes Difficult Terrain for the duration. When a creature moves into or within the

take a Search action and succeed on a Wisdom (Perception or Survival) check against your spell save DC to recognize the terrain as hazardous before entering it.

Adult White Dragon

Monsters Monster Manual

Ice Walk. The dragon can move across and climb icy surfaces without needing to make an ability check. Additionally, Difficult Terrain composed of ice or snow doesn’t cost it extra movement

. The dragon regains all expended uses at the start of each of its turns. Freezing Burst. Constitution Saving Throw: DC 14, each creature in a 30-foot-radius Sphere centered on a point the dragon can see

Elemental Cataclysm

Monsters Monster Manual

effects at random (roll 1d4;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Cataclymic Event"}): 1: Clinging Flames. Dexterity Saving Throw: DC 23, each creature in a 60-foot-radius Sphere

fills a 60-foot-radius Sphere centered on a point the cataclysm can see within 150 feet. The cloud lasts for 1 minute or until the cataclysm uses Cataclysmic Event again. Creatures entirely in the

Energy Bow

Magic Items Dungeon Master’s Guide

arrow emits Bright Light in a 20-foot radius and Dim Light for an additional 20 feet. This weapon has the following additional properties. Arrow of Restraint. Whenever you use this weapon to make a

condition for 1 minute. As an action, a creature Restrained by an arrow can make a DC 20 Strength (Athletics) check to try to break the restraint, ending the effect on itself on a successful check

Otiluke's Freezing Sphere

Spells Player’s Handbook

A frigid globe streaks from you to a point of your choice within range, where it explodes in a 60-foot-radius Sphere. Each creature in that area makes a Constitution saving throw, taking 10d6 Cold

minute. Creatures that were swimming on the surface of frozen water are trapped in the ice and have the Restrained condition. A trapped creature can take an action to make a Strength (Athletics) check

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

Obscured. 41–45 A cloud of 600 oversized butterflies fills a 60-foot-high, 30-foot-radius Cylinder centered on the chosen point of origin. The butterflies remain for 10 minutes, during which

Earthquake

Spells Player’s Handbook

Choose a point on the ground that you can see within range. For the duration, an intense tremor rips through the ground in a 100-foot-radius circle centered on that point. The ground there is

12d6 Bludgeoning damage, has the Prone condition, and is buried in the rubble, requiring a DC 20 Strength (Athletics) check as an action to escape. On a successful save, the creature takes half as much damage only.

Apparatus of Kwalish

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

Symbol

Spells Player’s Handbook

. The glyph is nearly imperceptible and requires a successful Wisdom (Perception) check against your spell save DC to notice. When you inscribe the glyph, you set its trigger and choose which effect the

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

Glyph of Warding

Spells Player’s Handbook

spell ends without being triggered. The glyph is nearly imperceptible and requires a successful Wisdom (Perception) check against your spell save DC to notice. When you inscribe the glyph, you set

glyph erupts with magical energy in a 20-foot-radius Sphere centered on the glyph. Each creature in the area makes a Dexterity saving throw. A creature takes 5d8 Acid, Cold, Fire, Lightning, or

Assassin Vine

Monsters Tomb of Annihilation

-foot square within 30 feet of it. These plants turn the ground in that area into difficult terrain. A creature in that area when the effect begins must succeed on a DC 13 Strength saving throw or be

restrained by entangling vines and roots. A creature restrained by the plants can use its action to make a DC 13 Strength (Athletics) check, freeing itself on a successful check. The effect ends after 1 minute or when the assassin vine dies or uses Entangling Vines again.Cold, Fire

Djinni Legacy

Monsters Basic Rules (2014)

","rollAction":"Scimitar","rollDamageType":"thunder"} damage (djinni’s choice). Create Whirlwind. A 5-foot-radius, 30-foot-tall cylinder of swirling air magically forms on a point the djinni can see

loses sight of it. A creature can use its action to free a creature restrained by the whirlwind, including itself, by succeeding on a DC 18 Strength check. If the check succeeds, the creature is no longer restrained and moves to the nearest space outside the whirlwind.Lightning, Thunder

Vine Blight Legacy

Monsters Monster Manual (2014)

","rollType":"recharge","rollAction":"Entangling Plants"}. Grasping roots and vines sprout in a 15-foot radius centered on the blight, withering away after 1 minute. For the duration, that area is

creature can use its action to make a DC 12 Strength check, freeing itself or another entangled creature within reach on a success.

Jammer Leech

Monsters Spelljammer: Adventures in Space

":"force"} force damage and be stunned until the end of its next turn.A jammer leech is a barnacle-like creature that begins life as a space-dwelling spore that attaches to the hull of a spelljamming ship

, with the leech inside in larval form. A spore that remains attached to a ship for a few days punctures the hull and begins to develop a hard shell that roughly matches the color of the hull. The

Barkburr

Monsters Quests from the Infinite Staircase

must succeed on a DC 18 Intelligence (Investigation) check to discern that the barkburr is animate. Springing Leap. With or without a running start, the barkburr’s high jump is up to 15 feet

damage, and the barkburr attaches to the target. While the barkburr is attached, it can’t make Poison Barb attacks, and the target has the restrained condition as its body begins to transform into

Carrion Stalker

Monsters Van Richten’s Guide to Ravenloft

check. On its turn, the carrion stalker can detach itself from the target by using 5 feet of movement. When it dies, the carrion stalker detaches from any creature it is attached to. Larval Burst (1

/Day). The carrion stalker releases a burst of larvae in a 10-foot-radius sphere centered on itself. Each creature in that area must succeed on a DC 13 Constitution saving throw or be poisoned. A

Dragonbone Golem

Monsters Fizban's Treasury of Dragons

turn with a successful DC 17 Strength (Athletics) check. Rend. Melee Weapon Attack: +9;{"diceNotation":"1d20+9", "rollType":"to hit", "rollAction":"Rend"} to hit, reach 5 ft., one target. Hit: 12 (2d6

", "rollDamageType":"poison"} poison damage and be restrained as it begins to turn to stone. The restrained target must repeat the saving throw at the end of its next turn. On a successful save, the effect

Encephalon Gemmule

Monsters Phandelver and Below: The Shattered Obelisk

encephalon cluster in a matter of days, at which point it begins producing its own gemmules. Encephalons When an illithid colony lays its eggs dangerously close to a Far Realm rift, an egg sac has a

’t use Leech again until it detaches. It can detach itself by spending 5 feet of its movement. As an action, the target or a creature within 5 feet of the target can detach the gemmule by succeeding on a DC 15 Strength check.

Portable Hole Legacy

Magic Items Basic Rules (2014)

hole is folded up, a creature within the hole’s extradimensional space can use an action to make a DC 10 Strength check. On a successful check, the creature forces its way out and appears within 5

feet of the portable hole or the creature carrying it. A breathing creature within a closed portable hole can survive for up to 10 minutes, after which time it begins to suffocate. Placing a

Stone Cursed

Monsters Mordenkainen Presents: Monsters of the Multiverse

advantage on its initiative roll. Moreover, if a creature hasn’t observed the stone cursed move or act, that creature must succeed on a DC 18 Intelligence (Investigation) check to discern that

"} slashing damage. If the target is a creature, it must succeed on a DC 12 Constitution saving throw, or it begins to turn to stone and is restrained until the end of its next turn, when it must

Radiant Idol

Monsters Eberron: Rising from the Last War

radiant idol chooses a point on the ground it can see within 60 feet of it. A 30-foot-radius, 40-foot-high cylinder of bright light appears there until the start of the radiant idol's next turn. Each

idol achieves a sizable following through silvered words and demonstrations of power, its facade begins to crack, and a downward spiral ensues. As the radiant idol sinks deeper into the realm of

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

the end of another creature's turn. The dragon regains spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check. Tail Attack. The dragon makes a tail

treacherous of true dragons, green dragons use misdirection and trickery to get the upper hand against their enemies. A green dragon is recognized by the crest that begins near its eyes and continues down

Darkmantle Legacy

Monsters Basic Rules (2014)

moves with the target. A creature can detach the darkmantle by making a successful DC 13 Strength check as an action. On its turn, the darkmantle can detach itself from the target by using 5 feet of

movement. Darkness Aura (1/Day). A 15-foot radius of magical darkness extends out from the darkmantle, moves with it, and spreads around corners. The darkness lasts as long as the darkmantle

Spike Growth Legacy

Spells Basic Rules (2014)

The ground in a 20-foot radius centered on a point within range twists and sprouts hard spikes and thorns. The area becomes difficult terrain for the duration. When a creature moves into or within

must make a Wisdom (Perception) check against your spell save DC to recognize the terrain as hazardous before entering it.

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

only at the end of another creature's turn. The dragon regains spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check. Tail Attack. The dragon makes

and treacherous of true dragons, green dragons use misdirection and trickery to get the upper hand against their enemies. A green dragon is recognized by the crest that begins near its eyes and

Scroll of Protection Legacy

Magic Items Dungeon Master’s Guide (2014)

you in a invisible barrier that extends from you to form a 5-foot-radius, 10-foot-high cylinder. For 5 minutes, this barrier prevents creatures of the specified type from entering or affecting anything

. A creature can attempt to overcome the barrier by using an action to make a DC 15 Charisma check. On a success, the creature ceases to be affected by the barrier.

Lightning Hulk

Monsters Bigby Presents: Glory of the Giants

Illumination. The lightning hulk sheds bright light in a 20-foot radius and dim light for an additional 20 feet. Lightning Form. The lightning hulk can enter a hostile creature’s space and

stop there. The first time the lightning hulk enters a creature’s space on a turn, or if it begins its turn in a creature’s space, that creature takes 7 (2d6);{"diceNotation":"2d6", "rollType

Will-o'-Wisp (Variant)

Monsters The Wild Beyond the Witchlight

sheds bright light in a 5- to 20-foot radius and dim light for an additional number of feet equal to the chosen radius. The will-o’-wisp can alter the radius as a bonus action.Shock. Melee

check, attack roll, or saving throw made by it. No creature can have more than one of these magic boons at a time.Lightning, PoisonAcid, Cold, Fire, Necrotic, Thunder; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

Ogrémoch

Monsters Princes of the Apocalypse

Strength check, ending the effect on itself or another creature within its reach on a success. Crystalline spikes grow from the ground in a 20-foot-radius area within 60 feet of Ogrémoch. The area

creature within 30 feet of Ogrémoch becomes outlined in orange light, shedding dim light in a 10-foot radius. Any attack roll against an affected creature has advantage if the attacker can see it

Adult Red Dragon Legacy

Monsters Basic Rules (2014)

spent legendary actions at the start of its turn. Detect. The dragon makes a Wisdom (Perception) check. Tail Attack. The dragon makes a tail attack. Wing Attack (Costs 2 Actions). The dragon beats its

point on the ground the dragon can see within 120 feet of it, creating a 20-foot-high, 5-foot-radius geyser. Each creature in the geyser’s area must make a DC 15 Dexterity saving throw, taking

Senses Legacy

Rules

Passive ChecksA passive check is a special kind of ability check that doesn't involve any die rolls. Such a check can represent the average result for a task done repeatedly, such as searching for

senses are described below. BlindsightA monster with blindsight can perceive its surroundings without relying on sight, within a specific radius. Creatures without eyes, such as grimlocks and gray

Reduced-threat Darkmantle

Monsters Tales from the Yawning Portal

becomes 0, it can't benefit from any bonus to its speed, and it moves with the target. A creature can detach the darkmantle by making a successful DC 11 Strength check as an action. On its turn, the

darkmantle can detach itself from the target by using 5 feet of movement. Darkness Aura (1/Day). A 15--foot radius of magical darkness extends out from the darkmantle, moves with it, and spreads around

Snare

spells Xanathar's Guide to Everything

As you cast this spell, you use the rope to create a circle with a 5-foot radius on the ground or the floor. When you finish casting, the rope disappears and the circle becomes a magic trap. This

trap is nearly invisible, requiring a successful Intelligence (Investigation) check against your spell save DC to be discerned. The trap triggers when a Small, Medium, or Large creature moves onto the

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