before barriers diffusing consist requiring

Brain in a Jar (Noncore)

Monsters Lost Laboratory of Kwalish

Detect Sentience. The brain in a jar can sense the presence and location of any creature within 300 feet of it that has an Intelligence of 3 or higher, regardless of interposing barriers, unless the

a jar's innate spellcasting ability is Intelligence (spell save DC 15). It can innately cast the following spells, requiring no components: At will: detect thoughts, mage hand, zone of truth 3/day

Cloud Giant (variant)

Monsters Storm King's Thunder

spells, requiring no material components: At will: detect magic, fog cloud, light 3/day each: feather fall, fly, misty step, telekinesis 1/day each: control weather, gaseous formMultiattack. The giant

gains a +2 bonus to its AC against ranged weapon attacks, and all open flames within the aura are extinguished unless they are magical.Some adult cloud giants have the magical ability to create barriers

Lorehold Professor of Order

Monsters Strixhaven: A Curriculum of Chaos

provides total cover. It has AC 17, 30 hit points, and immunity to poison and psychic damage. Spellcasting. The professor casts one of the following spells, requiring no material components and using

structures and find the safest paths as they search. When confronted, they confound their foes by channeling the stasis of perfect order, creating resilient barriers of force and quashing hostile

Brain in Iron

Monsters Infernal Machine Rebuild

Detect Sentience. The brain in a jar can sense the presence and location of any creature within 300 feet of it that has an Intelligence of 3 or higher, regardless of interposing barriers, unless the

a jar's innate spellcasting ability is Intelligence (spell save DC 15). It can innately cast the following spells, requiring no components: At will: detect thoughts, mage hand, zone of truth 3/day

Brain in a Jar

Monsters Icewind Dale: Rime of the Frostmaiden

Detect Sentience. The brain can sense the presence and location of any creature within 300 feet of it that has an Intelligence of 3 or higher, regardless of interposing barriers, unless the creature

, ending the effect on itself on a success. Innate Spellcasting (Psionics). The brain casts one of the following spells, requiring no components and using Intelligence as the spellcasting ability

Goblin Psi Commander

Monsters Phandelver and Below: The Shattered Obelisk

goblin’s next turn. Spellcasting (Psionics). The goblin casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 13

of their psionic abilities, goblin psi commanders wield blades of pure psychic energy. They can throw barriers of mental force while toppling foes with a single, mind-splitting burst. Psionic

Miirym

Monsters Candlekeep Mysteries

ability (save DC 21) and requiring no material components: At will: dancing lights, mage hand 3/day each: detect magic, detect thoughts, dispel magic, locate creature 1/day each: dispel evil and good

role as Candlekeep’s defender, Miirym can move anywhere within the library fortress, passing through walls and other solid barriers. She can’t enter extradimensional spaces, since they

Alhoon

Monsters Mordenkainen Presents: Monsters of the Multiverse

alhoon casts one of the following spells, requiring no material components and using Intelligence as the spellcasting ability (spell save DC 16): At will: dancing lights, detect magic, detect thoughts

that path is long and fraught with barriers. Alhoons are mind flayers who have used a shortcut to attain a lichlike state. Elder brains forbid mind flayers from pursuing magic power aside from psionics

Adult Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

A deep dragon lair might share the same basic structure as the sapphire dragon lair shown on map 5.12, but instead of being formed from stone, it might consist of chambers hollowed out within a fungus

slow spell, requiring no spell components and using Charisma as the spellcasting ability (spell save DC 16). The spell ends early if the dragon uses this lair action again or if the dragon dies

Ancient Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

share the same basic structure as the sapphire dragon lair shown on map 5.12, but instead of being formed from stone, it might consist of chambers hollowed out within a fungus network growing near an

initiative ties), the dragon can take one of the following lair actions; the dragon can’t take the same lair action two rounds in a row: Deep Torpor. The dragon casts the slow spell, requiring no

Brain in a Jar

Compendium - Sources->Dungeons & Dragons->Infernal Machine Rebuild

) Detect Sentience. The brain in a jar can sense the presence and location of any creature within 300 feet of it that has an Intelligence of 3 or higher, regardless of interposing barriers, unless the

in a jar’s innate spellcasting ability is Intelligence (spell save DC 15). It can innately cast the following spells, requiring no components: At will: detect thoughts, mage hand, zone of truth 3

Goblin Psi Commander

Compendium - Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk

psi commanders wield blades of pure psychic energy. They can throw barriers of mental force while toppling foes with a single, mind-splitting burst. Goblin Psi Commander Small Aberration (Goblinoid

subtract 1d4 from the next attack roll or saving throw it makes before the end of the goblin’s next turn. Spellcasting (Psionics). The goblin casts one of the following spells, requiring no spell

Brain in a Jar

Compendium - Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft

Intelligence of 3 or higher, regardless of interposing barriers, unless the creature is protected by a mind blank spell. Magic Resistance. The brain has advantage on saving throws against spells and other

(Psionics). The brain casts one of the following spells, requiring no components and using Intelligence as the spellcasting ability (spell save DC 14): At will: detect thoughts, mage hand, zone of truth

24. Sandbox

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3

copper, come crashing down, sealing off the indicated area. These barriers are a foot thick; each has an AC of 15 and 100 hit points. Lifting a door requires a successful DC 25 Strength (Athletics) check

, and any such check is made with disadvantage, since getting a good grip is difficult. If a door can first be pried up slightly with a crowbar or similar lever, requiring a successful DC 20 Strength

Brain in a Jar

Compendium - Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden

location of any creature within 300 feet of it that has an Intelligence of 3 or higher, regardless of interposing barriers, unless the creature is protected by a mind blank spell. Magic Resistance. The

, ending the effect on itself on a success. Innate Spellcasting (Psionics). The brain casts one of the following spells, requiring no components and using Intelligence as the spellcasting ability (spell

Githzerai

Compendium - Sources->Dungeons & Dragons->Monster Manual (2014)

overlords. Under the teachings of Zerthimon, who called on his people to abandon the warlike ambitions of Gith, the githzerai focused their mental energy on creating physical and psychic barriers to

Spellcasting (Psionics). The githzerai’s innate spellcasting ability is Wisdom. It can innately cast the following spells, requiring no components: At will: mage hand (the hand is invisible) 3/day

Lorehold Scholars

Compendium - Sources->Dungeons & Dragons->Strixhaven: A Curriculum of Chaos

one of the following spells, requiring no material components and using Intelligence as the spellcasting ability (spell save DC 12): At will: guidance, light 1/day each: comprehend languages, locate

, or half as much damage on a successful one. A Construct has disadvantage on the saving throw. Spellcasting. The pledgemage casts one of the following spells, requiring no material components and

Psi Warrior

Compendium - Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything

physical might with psi-infused weapon strikes, telekinetic lashes, and barriers of mental force. Many githyanki train to become such warriors, as do some of the most disciplined high elves. In the world of

feature Your ability to move creatures and objects with your mind is matched by few. You can cast the telekinesis spell, requiring no components, and your spellcasting ability for the spell is

Alhoon

Compendium - Sources->Dungeons & Dragons->Monsters of the Multiverse

alternative way to escape the permanency of death, but that path is long and fraught with barriers. Alhoons are mind flayers who have used a shortcut to attain a lich-like state. Elder brains forbid mind

target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Spellcasting. The alhoon casts one of the following spells, requiring no material

Monsters B - E

Compendium - Sources->Dungeons & Dragons->Lost Laboratory of Kwalish

that has an Intelligence of 3 or higher, regardless of interposing barriers, unless the creature is protected by a mind blank spell. Magic Resistance. The brain in a jar has advantage on saving

spells, requiring no components: At will: detect thoughts, mage hand, zone of truth 3/day each: charm person, command, hold person 1/day each: compulsion, hold monster, sleep (cast at 3rd level

Abyssal Prisons

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a5

dimensional barriers that prevent fiends from teleporting or summoning other demons within the sector. Fiendish Arena In this zone, a vampire named Issem culls the weakest demons using arena combat. When

carries. The largest drawer of the desk is held closed with an arcane lock spell (requiring a successful DC 25 Strength check to break). Inside is a flat box of black wood (see the next subsection) and a

Brimstone Hold Locations

Compendium - Sources->Dungeons & Dragons->Keys from the Golden Vault

below. Three-foot-high barriers line the causeway’s edges, funneling travelers toward the gatehouse of Vrakir’s imposing fortress. The bridge crosses the lava river at its narrowest point, spanning 300

supplies primarily consist of food, water, timber, rope, and raw iron. B20: Salamander Barracks The floor of this room is coated in solidified lava that resembles the undulations of waves on the sea

Locations on the Lower Level

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a6

throne consist of sixty worth 50 gp each, fifteen worth 100 gp each, three of 500 gp value, and one 1,000 gp gem. 13. Guard Area One frost giant guard stationed in the far southern end of this chamber

Fire Giant King). An apparently empty ledge high in the southwest wall is the resting place of an iron box that is invisible, has no magical aura, and is locked (requiring a successful DC 20 Dexterity

Locations R - U

Compendium - Sources->Dungeons & Dragons->Storm King's Thunder

treant stat block, has 200 hit points, and has the following additional action option: Spellcasting. Turlang casts one of the following spells, requiring no material spell components and using Wisdom as

or barriers, so anyone traversing it is at the mercy of the wind. Suggested Encounter The first time the adventurers approach the midpoint of the bridge, they see a fire giant and a hell hound

D&D Beyond

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