benefit boom diffusing cube requiring

Faerie Fire

Spells Player’s Handbook

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

, 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.

Thunderwave

Spells Player’s Handbook

You unleash a wave of thunderous energy. Each creature in a 15-foot Cube originating from you makes a Constitution saving throw. On a failed save, a creature takes 2d8 Thunder damage and is pushed 10

feet away from you. On a successful save, a creature takes half as much damage only. In addition, unsecured objects that are entirely within the Cube are pushed 10 feet away from you, and a

Adult Blue Dragon

Monsters Monster Manual

casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 18): At Will: Detect Magic, Invisibility, Mage Hand, Shatter 1/Day

action again until the start of its next turn. Sonic Boom. The dragon uses Spellcasting to cast Shatter. The dragon can’t take this action again until the start of its next turn. Tail Swipe. The dragon makes one Rend attack.Lightning

Ancient Blue Dragon

Monsters Monster Manual

. Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 22): At Will: Detect Magic, Invisibility, Mage

. The dragon can’t take this action again until the start of its next turn. Sonic Boom. The dragon uses Spellcasting to cast Shatter (level 3 version). The dragon can’t take this action again until the start of its next turn. Tail Swipe. The dragon makes one Rend attack.Lightning

Incubus

Monsters Monster Manual

incubus dies. Until the curse ends, the target gains no benefit from finishing Short Rests. Spellcasting. The incubus casts one of the following spells, requiring no Material components and using

Major Image

Spells Player’s Handbook

You create the image of an object, a creature, or some other visible phenomenon that is no larger than a 20-foot Cube. The image appears at a spot that you can see within range and lasts for the

through the image, and its other sensory qualities become faint to the creature. Using a Higher-Level Spell Slot. The spell lasts until dispelled, without requiring Concentration, if cast with a level 4+ spell slot.

Rakshasa

Monsters Monster Manual

cursed. While cursed, the target gains no benefit from finishing a Short or Long Rest. Baleful Command (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Baleful Command

spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 18): At Will: Detect Magic, Detect Thoughts, Disguise Self, Mage Hand, Minor Illusion 1/Day

Death Tyrant

Monsters Monster Manual

", "rollAction":"Disintegration Ray", "rollDamageType":"Force"} Force damage. If the target is a nonmagical object or a creation of magical force, a 10-foot Cube of it disintegrates into dust. Success

throw or gain no benefit from that rest. If the death tyrant dies or moves its lair elsewhere, these effects end immediately.PoisonNegative Energy Cone. The death tyrant’s central eye emits an

Beholder

Monsters Monster Manual

":"Disintegration Ray", "rollDamageType":"Force"} Force damage. If the target is a nonmagical object or a creation of magical force, a 10- foot Cube of it disintegrates into dust. Success: Half damage. Failure

Wisdom saving throw or gain no benefit from that rest. Warping Terrain. Minor warps in reality occur near the lair; any creature (excluding the beholder) within 1 mile of the lair that makes a D20 Test

Mummy Lord

Monsters Monster Manual

":"Necrotic"} Necrotic damage. If the target is a creature, it is cursed. While cursed, the target can’t regain Hit Points, it gains no benefit from finishing a Long Rest, and its Hit Point

mummy’s next turn. Spellcasting. The mummy casts one of the following spells, requiring no Material components and using Wisdom as the spellcasting ability (spell save DC 17, +9;{"diceNotation

Vampire Umbral Lord

Monsters Monster Manual

":"recharge", "rollAction":"Hunger of Hadar"}. The vampire casts Hunger of Hadar (level 5 version), requiring no spell components and using Charisma as the spellcasting ability (spell save DC 18).Legendary

of its turns. Beguile. The vampire casts Command, requiring no spell components and using Charisma as the spellcasting ability (spell save DC 18). The vampire can’t take this action again until

Elemental Cataclysm

Monsters Monster Manual

", "rollType":"damage", "rollAction":"Raging Storm", "rollDamageType":"Thunder"} Thunder damage. Success: Half damage.4: Swallowing Earth. Strength Saving Throw: DC 23, each creature in a 90-foot Cube

successful check, the creature is no longer buried. Success: Half damage only. Control Weather. The cataclysm casts the Control Weather spell, requiring no spell components and using Constitution as the

Terran Magen

Monsters Netheril’s Fall

magical effects.Multiattack. The magen makes two attacks, using Hammer Fist or Thunderous Boom in any combination. Hammer Fist. Melee Attack Roll: +6;{"diceNotation":"1d20+6", "rollType":"to hit

);{"diceNotation":"3d8", "rollType":"damage", "rollAction":"Hammer Fist", "rollDamageType":"Force"} Force damage. Thunderous Boom. Ranged Attack Roll: +7;{"diceNotation":"1d20+7", "rollType":"to hit

Medani Inquisitive

Monsters Eberron: Forge of the Artificer

has marked. While marked, the target can’t become hidden from the inquisitive, and if it has the Invisible condition, it gains no benefit from that condition against the inquisitive. The mark

disappears after 1 minute or when the inquisitive uses this action again. Success: Half damage only. Spellcasting. The inquisitive casts one of the following spells, requiring no Material components and

Avi

Monsters Waterdeep: Dragon Heist

":"radiant"} radiant damage to a target on a hit. This benefit lasts until the end of the turn. If Avi expends a spell slot of 2nd level or higher, the extra damage increases by 1d6;{"diceNotation":"1d6

): lesser restoration, spiritual weapon 3rd level (2 slots): dispel magic, spirit guardians Reach to the Wave. At will, Avi can control the flow and shape of water in a 5-foot cube, or cause the water to

Thunderwave Legacy

Spells Basic Rules (2014)

A wave of thunderous force sweeps out from you. Each creature in a 15-foot cube originating from you must make a Constitution saving throw. On a failed save, a creature takes 2d8 thunder damage and

automatically pushed 10 feet away from you by the spell's effect, and the spell emits a thunderous boom audible out to 300 feet. At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 1d8 for each slot level above 1st.

Faerie Fire Legacy

Spells Basic Rules (2014)

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

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.

Zegana

Monsters Guildmasters’ Guide to Ravnica

target. Hit: 12 (2d6 + 5);{"diceNotation":"2d6+5","rollType":"damage","rollAction":"Prime Speaker","rollDamageType":"piercing"} piercing damage, and the trident emits a thunderous boom. Each creature in

a 15-foot cube originating from the prongs of the trident must make a DC 18 Constitution saving throw. On a failed save, the creature takes 9 (2d8);{"diceNotation":"2d8","rollType":"damage

Rakshasa Legacy

Monsters Basic Rules (2014)

spell attacks). The rakshasa can innately cast the following spells, requiring no material components: At will: detect thoughts, disguise self, mage hand, minor illusion 3/day each: charm person

. The cursed target gains no benefit from finishing a short or long rest. The curse lasts until it is lifted by a remove curse spell or similar magic.Bludgeoning, Piercing, and Slashing from Nonmagical AttacksPiercing from Magic Weapons Wielded by Good Creatures

Night Hag Legacy

Monsters Basic Rules (2014)

). She can innately cast the following spells, requiring no material components: At will: detect magic, magic missile 2/day each: plane shift (self only), ray of enfeeblement, sleep Magic

circle. As long as the contact persists, the target has dreadful visions. If these visions last for at least 1 hour, the target gains no benefit from its rest, and its hit point maximum is reduced by 5

Drow Shadowblade Legacy

Monsters Mordenkainen’s Tome of Foes

Charisma (spell save DC 13). He can innately cast the following spells, requiring no material components: At will: dancing lights 1/day each: darkness, faerie fire, levitate (self only) Shadow Step. While

drow makes two attacks with its shadow sword. If either attack hits and the target is within 10 feet of a 5-foot cube of darkness created by the shadow sword on a previous turn, the drow can dismiss

Wave Legacy

Magic Items Dungeon Master’s Guide (2014)

equal to half its hit point maximum. The weapon also functions as a trident of fish command and a weapon of warning. It can confer the benefit of a cap of water breathing while you hold it, and you can

use it as a cube of force by choosing the effect, instead of pressing cube sides to select it. Sentience Wave is a sentient weapon of neutral alignment, with an Intelligence of 14, a Wisdom of 10

Nereid

Monsters Tales from the Yawning Portal

nereid is willing to do anything in its power to recover the mantle if it is stolen, including serving the thief. Shape Water. The nereid can cast control water at will, requiring no components. Its

spellcasting ability for it is Charisma. This use of the spell has a range of 30 feet and can affect a cube of water no larger than 30 feet on a side. Speak with Animals. The nereid can comprehend and

Night Hag (Coven Variant) Legacy

Monsters Monster Manual (2014)

). She can innately cast the following spells, requiring no material components: At will: detect magic, magic missile 2/day each: plane shift (self only), ray of enfeeblement, sleep Magic

, the target has dreadful visions. If these visions last for at least 1 hour, the target gains no benefit from its rest, and its hit point maximum is reduced by 5 (1d10);{"diceNotation":"1d10","rollType

Ki-rin

Monsters Mordenkainen Presents: Monsters of the Multiverse

":"3d8+5","rollType":"damage","rollAction":"Sacred Fire","rollDamageType":"radiant"} radiant damage. Spellcasting. The ki-rin casts one of the following spells, requiring no material components and using

made of soft, plant-based material—including manufactured objects like pillows, rope, blankets, and clothing—that can collectively fill no more than a 20-foot cube. The objects materialize

Geryon Legacy

Monsters Mordenkainen’s Tome of Foes

Innate Spellcasting. Geryon's innate spellcasting ability is Charisma (spell save DC 21). He can innately cast the following spells, requiring no material components: At will: alter self (can become

from the ground at a point he can see within 120 feet of him. The cold fills a cube, 10 feet on each side, centered on that point. Each creature in that area must succeed on a DC 21 Constitution saving

Marut Legacy

Monsters Mordenkainen’s Tome of Foes

can innately cast the following spell, requiring no material components. At will: plane shift (self only) Legendary Resistance (3/Day). If the marut fails a saving throw, it can choose to succeed

":"recharge","rollAction":"Blazing Edict"}. Arcane energy emanates from the marut’s chest in a 60-foot cube. Every creature in that area takes 45 radiant damage. Each creature that takes any of

Drow Shadowblade (Summoner Variant) Legacy

Monsters Mordenkainen’s Tome of Foes

Charisma (spell save DC 13). He can innately cast the following spells, requiring no material components: At will: dancing lights 1/day each: darkness, faerie fire, levitate (self only) Shadow Step. While

drow makes two attacks with its shadow sword. If either attack hits and the target is within 10 feet of a 5-foot cube of darkness created by the shadow sword on a previous turn, the drow can dismiss

Asha Vandree

Monsters Out of the Abyss

Eminence","rollDamageType":"radiant"} radiant damage to a target on a hit. This benefit lasts until the end of the turn. If Asha expends a spell slot of 2nd level or higher, the extra damage increases

put the drow to sleep. Innate Spellcasting. Asha's spellcasting ability is Charisma for the following spells (spell save DC 11). She can innately cast the following spells, requiring no material

Major Image Legacy

Spells Basic Rules (2014)

You create the image of an object, a creature, or some other visible phenomenon that is no larger than a 20-foot cube. The image appears at a spot that you can see within range and lasts for the

qualities become faint to the creature. At Higher Levels. When you cast this spell using a spell slot of 6th level or higher, the spell lasts until dispelled, without requiring your concentration.

Geryon (Summoner Variant) Legacy

Monsters Mordenkainen’s Tome of Foes

Innate Spellcasting. Geryon's innate spellcasting ability is Charisma (spell save DC 21). He can innately cast the following spells, requiring no material components: At will: alter self (can become

he can see within 120 feet of him. The cold fills a cube, 10 feet on each side, centered on that point. Each creature in that area must succeed on a DC 21 Constitution saving throw or take 28 (8d6

Ki-rin Legacy

Monsters Volo's Guide to Monsters

Innate Spellcasting. The ki-rin's innate spellcasting ability is Charisma (spell save DC 17). The ki-rin can innately cast the following spells, requiring no material components: At will: gaseous

, pillows, rope, blankets, and clothing — to fill a cube 20 feet on a side. The second version permanently creates enough objects made of wood, or similarly hard plant-based material, to fill a cube

Quandrix Professor of Substance

Monsters Strixhaven: A Curriculum of Chaos

target can’t benefit from cover less than total cover), reach 5 ft. or range 120 ft., one target. Hit: 13 (2d8 + 4);{"diceNotation":"2d8+4", "rollType":"damage", "rollAction":"Spatial Blade

larger, and the professor can push the target horizontally up to 10 feet away. Spellcasting. The professor casts one of the following spells, requiring no material components and using Intelligence as

Yarnspinner

Monsters Domains of Delight: A Feywild Accessory

or surfaces. Each section has AC 12; 20 hit points; vulnerability to fire damage; and immunity to bludgeoning, poison, and psychic damage. A hut small enough to fit in a 10-foot cube. The hut comes

":"2d10", "rollType":"damage", "rollAction":"Bite", "rollDamageType":"poison"} poison damage. Spellcasting. Yarnspinner casts one of the following spells, requiring no material components and using Wisdom

Soul Monger Legacy

Monsters Mordenkainen’s Tome of Foes

(spell save DC 16, +8;{"diceNotation":"1d20+8","rollType":"to hit","rollAction":"Innate Spellcasting"} to hit with spell attacks). It can innately cast the following spells, requiring no material

monger's next turn. Wave of Weariness (Recharge 4-6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Wave of Weariness"}. The soul monger emits weariness in a 60-foot cube. Each creature in

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