before barrier devising cone random

Umber Hulk

Monsters Monster Manual

":"Slashing"} Slashing damage.Confusing Gaze (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Confusing Gaze"}. Wisdom Saving Throw: DC 14, each creature in a 30-foot Cone

determine what it does on its next turn: 1–4. The target does nothing.5–6. The target takes no action or Bonus Action and uses all its movement to move in a random direction.7–8. The

Faerie Dragon Youth

Monsters Monster Manual

, each creature in a 15-foot Cone. Failure: The target has the Incapacitated condition until the end of its next turn and uses all its movement on its turn to move in a random direction. Spellcasting

Faerie Dragon Adult

Monsters Monster Manual

, each creature in a 15-foot Cone. Failure: The target has the Incapacitated condition and repeats the save at the end of each of its turns, ending the effect on itself on a success. After 1 minute, it

succeeds automatically. While Incapacitated, the target uses all its movement on each of its turns to move in a random direction. Spellcasting. The dragon casts one of the following spells

Staff of Power

Magic Items Dungeon Master’s Guide

must expend to cast the spell. Spell Charge Cost Cone of Cold 5 Fireball (level 5 version) 5 Globe of Invulnerability 6 Hold Monster 5 Levitate 2 Lightning

. You have a 50 percent chance to instantly travel to a 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

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

: Half damage. Failure or Success: The target starts burning.2: Freezing Waves. Strength Saving Throw: DC 23, each creature in a 90-foot Cone. Failure: 22 (5d8);{"diceNotation":"5d8", "rollType":"damage

Orb of Damara

Magic Items Forgotten Realms: Adventures in Faerûn

A wizard named Damara created this orb while devising a way to become a dragon. Aided by a mysterious magician (actually an aspect of Tiamat in disguise), Damara eventually created an Artifact that

Cone. When you do, choose Acid, Cold, Fire, Lightning, or Poison. Each creature in the Cone makes a DC 18 Dexterity saving throw, taking 6d6;{"diceNotation":"6d6", "rollType":"roll", "rollAction

Crown of Horns

Magic Items Forgotten Realms: Adventures in Faerûn

transformation is complete, you become a Lich under the DM's control. Each time you use this Artifact's Cone of Undeath or Myrkul's Hand benefit, there is a 10 percent cumulative chance that you

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

Braxat

Monsters Spelljammer: Adventures in Space

"} bludgeoning damage. Acid Breath (Recharge 6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Acid Breath"}. The braxat exhales a 15-foot cone of acid. Each creature in the cone must make a DC 18

barrier of magical force around itself that lasts until the start of its next turn. This barrier gives the braxat a +5 bonus to AC, including against the triggering attack, and prevents magic missile

Hollyphant

Monsters Baldur’s Gate: Descent into Avernus

Aura of Invulnerability. An invisible aura forms a 10-foot-radius sphere around the hollyphant for as long as it lives. Any spell of 5th level or lower cast from outside the barrier can't affect

creatures or objects within it, even if the spell is cast using a higher level spell slot. Such a spell can target creatures and objects within the barrier, but the spell has no effect on them. Similarly

Death Tyrant Legacy

Monsters Monster Manual (2014)

Negative Energy Cone. The death tyrant’s central eye emits an invisible, magical 150-foot cone of negative energy. At the start of each of its turns, the tyrant decides which way the cone faces

and whether the cone is active. Any creature in that area can’t regain hit points. Any humanoid that dies there becomes a zombie under the tyrant’s command. The dead humanoid retains its

Beholder Legacy

Monsters Monster Manual (2014)

Antimagic Cone. The beholder’s central eye creates an area of antimagic, as in the antimagic field spell, in a 150-foot-cone. At the start of each of its turns, the beholder decides which way

the cone faces and whether the cone is active. The area works against the beholder’s own eye rays.Bite. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction":"Bite

Lorthuun

Monsters Out of the Abyss

Antimagic Cone. The beholder's central eye creates an area of antimagic, as in the antimagic field spell, in a 150-foot-cone. At the start of each of its turns, the beholder decides which way the

cone faces and whether the cone is active. The area works against the beholder's own eye rays.Bite. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction":"Bite"} to hit, reach

Brain in Iron

Monsters Infernal Machine Rebuild

","rollAction":"Mind Blast"}. The brain in a jar magically emits psychic energy in a 60-foot cone. Each creature in that area must succeed on a DC 15 Intelligence saving throw or take 13 (2d8 + 4

Barrier Peaks. After constructing a new collective body from spare parts, the brains escaped (and now seek revenge against the characters if they did not aid the brains sufficiently during that

Yestabrod

Monsters Out of the Abyss

","rollType":"damage","rollAction":"Slam","rollDamageType":"poison"} poison damage. Caustic Spores (1/Day). Yestabrod releases spores in a 30-foot cone. Each creature in that area must succeed on a DC 12

random form of indefinite madness (determined by rolling on the Madness of Zuggtmoy table in appendix D) that lasts until the creature is cured of the disease or dies. While infected in this way, the

"The Demogorgon"

Monsters Infernal Machine Rebuild

"}. The ettin’s right head exhales fire in a 30-foot cone. Each creature in that area must make a DC 14 Dexterity saving throw, taking 45 (10d8);{"diceNotation":"10d8","rollType":"damage

","rollAction":"Cold Breath"}. The ettin’s left head exhales an icy blast in a 30-foot cone. Each creature in that area must make a DC 14 Constitution saving throw, taking 45 (10d8);{"diceNotation":"10d8

Staff of Power Legacy

Magic Items Basic Rules (2014)

save DC and spell attack bonus: cone of cold (5 charges), fireball (5th-level version, 5 charges), globe of invulnerability (6 charges), hold monster (5 charges), levitate (2 charges), lightning bolt

a 50 percent chance to instantly travel to a random plane of existence, avoiding the explosion. If you fail to avoid the effect, you take force damage equal to 16 × the number of charges in the

Draconian Mastermind

Monsters Fizban's Treasury of Dragons

. Noxious Breath (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Noxious Breath"}. The draconian exhales a 15-foot cone of noxious gas. Each creature in that area must make a DC

: dimension door, disguise self, sendingMagic Shield (3/Day). When the draconian is hit by an attack roll, it can create an invisible barrier of magical force around itself, granting it a +5 bonus to its

Eyedrake

Monsters Fizban's Treasury of Dragons

", "rollAction":"Antimagic Breath"}. The eyedrake emits a magic wave in a 30-foot cone. Each creature in that area must make a DC 14 Constitution saving throw, taking 39 (6d12);{"diceNotation":"6d12

creatures and objects of the eyedrake’s choice in that area. Eye Rays. The eyedrake shoots three of the following magical eye rays at random;{"diceNotation":"1d6","rollType":"roll","rollAction":"Eye

Reaching the Peaks

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

, “Random Encounters,” for more information. If you don’t want to incorporate random encounters into the journey to the Barrier Peaks, read the following: The mountains of the Barrier Peaks have grown

Reaching the Peaks The Cartophile’s maps and notes guide the characters from their starting location into the Barrier Peaks, leading them as far as a series of caverns that Kwalish’s original

Lady Illmarrow

Monsters Eberron: Rising from the Last War

, polymorph 5th level (3 slots): cloudkill, cone of cold, hold monster, scrying 6th level (2 slot): chain lightning, circle of death, create undead 7th level (2 slot): finger of death, forcecage

effect on itself on a success. Poison Breath (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Poison Breath"}. Illmarrow exhales poisonous gas in a 30-foot cone. Each creature in

Ancient Time Dragon

Monsters Planescape: Adventures in the Multiverse

Cycle of Rebirth. If the dragon dies, its soul coalesces into a steely egg and teleports to a random plane of existence. The egg is immune to all damage and hatches into a time dragon wyrmling after

Breath"}. The dragon exhales a wave of shimmering light in a 90-foot cone. Nonmagical objects and vegetation in that area that aren’t being worn or carried crumble to dust. Each creature in that area

Hollyphant

Compendium - Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus

5th level or lower cast from outside the barrier can’t affect creatures or objects within it, even if the spell is cast using a higher level spell slot. Such a spell can target creatures and objects

within the barrier, but the spell has no effect on them. Similarly, the area within the barrier is excluded from the areas affected by such spells. The hollyphant can use an action to suppress this

Braxat

Compendium - Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Boo’s Astral Menagerie

, though they tend to do so only as a last resort, since the acid dissolves and ruins the flesh they crave. A braxat projects an invisible psychic barrier around itself that enhances its natural armor

target. Hit: 21 (3d8 + 8) bludgeoning damage. Acid Breath (Recharge 6). The braxat exhales a 15-foot cone of acid. Each creature in the cone must make a DC 18 Constitution saving throw, taking 26

Mighty Servant of Leuk-o

Magic Items Tasha’s Cauldron of Everything

conjecture than fact, often referring to otherworldly beings, the mysterious Barrier Peaks in Oerth, and the supposedly related device known as the Machine of Lum the Mad. The best details on the device

; drop from the sky in random places within 1,000 miles of the explosion. If brought within 5 feet of one another, the pieces reconnect and reform the servant. Destroying the Servant. The servant can be

Hierophant Medusa

Monsters The Book of Many Things

2/day: Mass Cure Wounds (cast at 8th level) 1/day each: Blade Barrier, Divination, Greater RestorationThe medusa can take 3 legendary actions, choosing from the options below. It can take only one

(Recharge 4–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Petrifying Gaze"}. The medusa unleashes petrifying magic from its eyes in a 30-foot cone. Each creature in that area must make a

Random Obstacles

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)

Random Obstacles Obstacles block progress through the dungeon. In some cases, what adventurers consider an obstacle is an easy path for the dungeon’s inhabitants. For example, a flooded chamber is a

barrier to many characters but easily navigated by water-breathing creatures. Obstacles can affect more than one room. A chasm might run through several passages and chambers, or send cracks through

Powered Armor

Magic Items Lost Laboratory of Kwalish

metal bosses adorn the armor in seemingly random fashion. On the back of the armor’s left gauntlet is a rectangular metal box, from which projects a short rod tipped with a cone-shaped red

Nafas

Monsters Quests from the Infinite Staircase

":"roll", "rollAction":"Last Wish"} days, regaining all his hit points and appearing in a random safe location on the Infinite Staircase. Legendary Resistance (5/Day). If Nafas fails a saving throw

Nafas can see ends its turn, Nafas exhales forceful winds in a 30-foot cone. Large or smaller creatures in that area must succeed on a DC 22 Strength saving throw or be pushed up to 15 feet away from him

Teeth of Dahlver-Nar

Magic Items Tasha’s Cauldron of Everything

a random destination, which could be on a different world of the Material Plane. Destroying the Teeth. Each tooth must be destroyed individually by sowing it in the area where the tooth’s story

, a skeleton, zombie, or ghoul also appears at a random location within 5 miles of you, searching for the living to kill. A humanoid killed by these undead rises as the same type of undead at the next

Part 2: Monastery of the Distressed Body

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

Part 2: Monastery of the Distressed Body The known route of Kwalish’s original expedition ends at the series of tunnels leading into the Barrier Peaks, with no sense of how that long-lost company

, and the characters face a greater number of potential random encounters as a prelude to arriving at the monastery. See appendix A for more information. SCALING OPTIONS This adventure is designed for

Faerie Dragon Youth

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

) Piercing damage plus 2 (1d4) Psychic damage. Euphoria Breath (Recharge 5–6). Wisdom Saving Throw: DC 12, each creature in a 15-foot Cone. Failure: The target has the Incapacitated condition until the end

of its next turn and uses all its movement on its turn to move in a random direction. Spellcasting. The dragon casts one of the following spells, requiring no Material components and using Charisma

Ancient Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

-foot cone. Each creature in that area must make a DC 19 Wisdom saving throw. On a failed save, the creature takes 49 (9d10);{"diceNotation":"9d10", "rollType":"damage", "rollAction":"Nightmare Breath

around a creature within 30 feet of it that it can see. The target must succeed on a DC 19 Wisdom saving throw or use its reaction to make a melee weapon attack against a random creature within reach. If

Myconids

Compendium - Sources->Dungeons & Dragons->Out of the Abyss

. Caustic Spores (1/Day). The myconid releases spores in a 30-foot cone. Each creature inside the cone must succeed on a Dexterity saving throw or take 1d6 acid damage at the start of each of the

successful save, the creature can’t be infected by these spores for 24 hours. On a failed save, the creature is infected with a disease called the spores of Zuggtmoy and also gains a random form of

Outside Combat

Compendium - Sources->Dungeons & Dragons->Volo's Guide to Monsters

Outside Combat As described in the Monster Manual, a beholder’s use of its eye rays in combat is random, governed by die rolls instead of by choice. This rule is an abstraction, designed to keep the

easier to run. In the safety of its lair, outside the view of any would-be enemies, a beholder can use any of its eye rays whenever it wants to. Many of them serve as tools. Antimagic Cone The magic

"The Demogorgon"

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

head exhales fire in a 30-foot cone. Each creature in that area must make a DC 14 Dexterity saving throw, taking 45 (10d8) fire damage on a failed save, or half as much damage on a successful one

. Cold Breath (Recharge 5–6). The ettin’s left head exhales an icy blast in a 30-foot cone. Each creature in that area must make a DC 14 Constitution saving throw, taking 45 (10d8) cold damage on a

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