detect issues are barriers

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

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

(spell save DC 14): At will: detect thoughts, mage hand, zone of truth 3/day each: charm person, hold person 1/day each: compulsion, hold monster, sleep (3rd-level version), Tasha's hideous

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

Diderius

Monsters Tyranny of Dragons

, ray of frost 1st level (4 slots): charm person, detect magic, shield, thunderwave 2nd level (3 slots): cloud of daggers, hold person, see invisibility 3rd level (3 slots): animate dead, dispel

(Costs 2 Actions). Diderius magically unleashes negative energy. Creatures within 60 feet of him, including ones behind barriers and around corners, can’t regain hit points until the end of his next

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

Graz'zt Legacy

Monsters Out of the Abyss

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

the command spell on every creature of his choice in the lair. He needn’t see each one, but he must be aware that an individual is in the lair to target that creature. He issues the same command

Graz'zt

Monsters Mordenkainen Presents: Monsters of the Multiverse

spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 23): At will: charm person, detect magic, dispel magic 3/day each: darkness, dominate person

issues the same command to all the targets. Conjure Mirrors. Smooth surfaces within the lair become as reflective as a polished mirror. Until a different lair action is used, creatures within the lair

Adult Emerald Dragon

Monsters Fizban's Treasury of Dragons

Intelligence as the spellcasting ability (spell save DC 17): At will: mage hand (the hand is invisible), minor illusion 1/day each: detect thoughts, dispel magic, invisibility, major imageThe dragon can

issues that isn’t directly harmful to the creature. Distort Perceptions. The dragon attempts to alter the perceptions of one creature it can see within its lair. That creature must succeed on a DC

Ancient Emerald Dragon

Monsters Fizban's Treasury of Dragons

ability (spell save DC 20): At will: mage hand (the hand is invisible), minor illusion 1/day each: detect thoughts, dispel magic, etherealness, major image, misleadThe dragon can take 3 legendary

this way obeys to the best of its ability any command the dragon issues that isn’t directly harmful to the creature. Distort Perceptions. The dragon attempts to alter the perceptions of one

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

Warp Sense

Spells Planescape: Adventures in the Multiverse

For the duration, you sense the presence of portals, even inactive ones, within 30 feet of yourself. If you detect a portal in this way, you can use your action to study it. Make a DC 15 ability

can’t study that portal again using this spell until you cast it again. The spell can penetrate most barriers but is blocked by 1 foot of stone, 1 inch of common metal, a thin sheet of lead, or 3 feet of wood or dirt.

Detect Thoughts Legacy

Spells Basic Rules (2014)

the target creature naturally shape the course of its thoughts, so this spell is particularly effective as part of an interrogation. You can also use this spell to detect the presence of thinking

creatures you can’t see. When you cast the spell or as your action during the duration, you can search for thoughts within 30 feet of you. The spell can penetrate barriers, but 2 feet of rock, 2

Intellect Devourer Legacy

Monsters Monster Manual (2014)

Detect Sentience. The intellect devourer 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

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

Azorius Functionary

Backgrounds Guildmasters’ Guide to Ravnica

5th dominate person Your magic often takes the form of blue or golden runes floating and glowing in the air in circular patterns or of shimmering azure barriers of magical energy. If you

Members of the Azorius Senate tend toward a demeanor of cold dignity and a pragmatic, orderly nature. Steeped in the law as they are, their ideals and priorities revolve around legal issues. Personality

Detect Evil and Good

Compendium - Sources->Dungeons & Dragons->Player's Handbook (2014)

Detect Evil and Good 1st-level divination Casting Time: 1 action Range: Self Components: V, S Duration: Concentration, up to 10 minutes For the duration, you know if there is an aberration, celestial

consecrated or desecrated. The spell can penetrate most barriers, but it is blocked by 1 foot of stone, 1 inch of common metal, a thin sheet of lead, or 3 feet of wood or dirt.

Detect Magic

Compendium - Sources->Dungeons & Dragons->Basic Rules (2014)

Detect Magic 1st-level divination (ritual) Casting Time: 1 action Range: Self Components: V, S Duration: Concentration, up to 10 minutes For the duration, you sense the presence of magic within 30

. The spell can penetrate most barriers, but it is blocked by 1 foot of stone, 1 inch of common metal, a thin sheet of lead, or 3 feet of wood or dirt.

Detect Magic

Compendium - Sources->Dungeons & Dragons->Player's Handbook (2014)

Detect Magic 1st-level divination (ritual) Casting Time: 1 action Range: Self Components: V, S Duration: Concentration, up to 10 minutes For the duration, you sense the presence of magic within 30

. The spell can penetrate most barriers, but it is blocked by 1 foot of stone, 1 inch of common metal, a thin sheet of lead, or 3 feet of wood or dirt.

Detect Poison and Disease

Compendium - Sources->Dungeons & Dragons->Player's Handbook (2014)

Detect Poison and Disease 1st-level divination (ritual) Casting Time: 1 action Range: Self Components: V, S, M (a yew leaf) Duration: Concentration, up to 10 minutes For the duration, you can sense

most barriers, but it is blocked by 1 foot of stone, 1 inch of common metal, a thin sheet of lead, or 3 feet of wood or dirt.

Detect Evil and Good

Compendium - Sources->Dungeons & Dragons->Basic Rules (2014)

Detect Evil and Good 1st-level divination Casting Time: 1 action Range: Self Components: V, S Duration: Concentration, up to 10 minutes For the duration, you know if there is an aberration, celestial

consecrated or desecrated. The spell can penetrate most barriers, but it is blocked by 1 foot of stone, 1 inch of common metal, a thin sheet of lead, or 3 feet of wood or dirt.

Detect Poison and Disease

Compendium - Sources->Dungeons & Dragons->Basic Rules (2014)

Detect Poison and Disease 1st-level divination (ritual) Casting Time: 1 action Range: Self Components: V, S, M (a yew leaf) Duration: Concentration, up to 10 minutes For the duration, you can sense

most barriers, but it is blocked by 1 foot of stone, 1 inch of common metal, a thin sheet of lead, or 3 feet of wood or dirt.

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

Detect Thoughts

Compendium - Sources->Dungeons & Dragons->Player's Handbook (2014)

, you can search for thoughts within 30 feet of you. The spell can penetrate barriers, but 2 feet of rock, 2 inches of any metal other than lead, or a thin sheet of lead blocks you. You can’t detect a

Detect Thoughts 2nd-level divination Casting Time: 1 action Range: Self Components: V, S, M (a copper piece) Duration: Concentration, up to 1 minute For the duration, you can read the thoughts of

Detect Thoughts

Compendium - Sources->Dungeons & Dragons->Basic Rules (2014)

, you can search for thoughts within 30 feet of you. The spell can penetrate barriers, but 2 feet of rock, 2 inches of any metal other than lead, or a thin sheet of lead blocks you. You can’t detect a

Detect Thoughts 2nd-level divination Casting Time: 1 action Range: Self Components: V, S, M (a copper piece) Duration: Concentration, up to 1 minute For the duration, you can read the thoughts of

Spells

Compendium - Sources->Dungeons & Dragons->Planescape: Adventures in the Multiverse->Sigil and the Outlands

leaf) Duration: Concentration, up to 1 minute For the duration, you sense the presence of portals, even inactive ones, within 30 feet of yourself. If you detect a portal in this way, you can use your

. On a failed check, you learn nothing and can’t study that portal again using this spell until you cast it again. The spell can penetrate most barriers but is blocked by 1 foot of stone, 1 inch of common metal, a thin sheet of lead, or 3 feet of wood or dirt.

Brain in a Jar

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

Immunities poison Condition Immunities exhaustion, paralyzed, poisoned, prone Senses blindsight 120 ft. (blind beyond this radius), passive Perception 10; see also “Detect Sentience” below

Languages the languages it knew in life Challenge 3 (700 XP) Proficiency Bonus +2 Detect Sentience. The brain can sense the presence and location of any creature within 300 feet of it that has an

Brain in a Jar

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

), passive Perception 10; see also “Detect Sentience” below Languages the languages it knew in life Challenge 3 (700 XP) Proficiency Bonus +2 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 is protected by a mind blank spell. Magic Resistance. The

11. Olhydra's Canal

Compendium - Sources->Dungeons & Dragons->Locathah Rising

away, a detect magic spell will reveal that this area has a strong aura of both abjuration and evocation magic. Trap. When a character crosses the threshold of the bulkhead between the back and the

area. Both icy barriers have AC 12, 30 hit points each, vulnerability to fire damage, and immunity to poison and psychic damage.

30. False Treasure Room

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7

thin stream of smoke issues from a tiny vent in its brass stopper. On the southern wall stands a granite sarcophagus that appears to be damaged. Flanking the sarcophagus are two large iron chests

. The room is lined with lead and has antimagic properties, so no spells will work within the room, and no magical properties of items of any sort will properly function except those that detect an aura

Intellect Devourer

Compendium - Sources->Dungeons & Dragons->Monster Manual

Deep Speech but can’t speak; telepathy 60 ft. CR 2 (XP 450; PB +2) Traits Detect Intelligence. The intellect devourer magically senses the location of any creature within 300 feet of itself that

has an Intelligence score of 3 or higher, regardless of interposing barriers. Actions Multiattack. The intellect devourer makes one Claw attack and uses Devour Intellect. Claw. Melee Attack Roll

Intellect Devourer

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

blindsight 60 ft. (blind beyond this radius), passive Perception 12 Languages understands Deep Speech but can’t speak, telepathy 60 ft. Challenge 2 (450 XP) Detect Sentience. The intellect devourer

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 is protected by a mind blank

13. Crypt of Diderius

Compendium - Sources->Dungeons & Dragons->Rise of Tiamat

, the mummy lord, rests within the sarcophagus. When the characters approach within a few paces of it, a deep, clear voice issues from the coffin, saying, “You approach Diderius in repose. I know what

illusion, ray of frost 1st level (4 slots): charm person, detect magic, shield, thunderwave 2nd level (3 slots): cloud of daggers, hold person, see invisibility 3rd level (3 slots): animate dead

13. Crypt of Diderius

Compendium - Sources->Dungeons & Dragons->Tyranny of Dragons

, rests within the sarcophagus. When the characters approach within a few paces of it, a deep, clear voice issues from the coffin, saying, “You approach Diderius in repose. I know what you seek

spells: Cantrips (at will): minor illusion, ray of frost 1st level (4 slots): charm person, detect magic, shield, thunderwave 2nd level (3 slots): cloud of daggers, hold person, see invisibility

Warden Archon

Compendium - Sources->Dungeons & Dragons->Planescape: Adventures in the Multiverse->Morte’s Planar Parade

bite to magically mark the intruder, which the archon pursues relentlessly. CoupleofKooks “For immortal guardians, these guys love making reality’s issues your problem. Don’t pay ’em no mind when they

archon casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 15): At will: detect evil and good 1/day each: aid, continual

Interacting with Myconids

Compendium - Sources->Dungeons & Dragons->Dragons of Stormwreck Isle

effectively speaking thoughts at each other. This effect doesn’t allow any creature to probe invasively into another creature’s mind. But it transcends language barriers, and you can play around with the kind

Spores When myconids take damage, they release spores that alert all other myconids within 240 feet of them. All myconids in the cave are in range of each other’s Distress Spores. Myconids in areas B2 and area B3 move to area B4 if they detect Distress Spores.

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