before being diffusing checks reaches

Sea Lion

Monsters Tales from the Yawning Portal

Amphibious. The sea lion can breathe air and water. Keen Smell. The sea lion has advantage on Wisdom (Perception) checks that rely on smell. Pack Tactics. The sea lion has advantage on an attack

White Plume Mountain might discover a group of these creatures confined in a watery cage. These large marine mammals live along coastal regions and around islands at sea. One sea lion is kept in a cell in the lowest reaches of the sahuagin fortress in The Final Enemy.

Duergar Stone Guard

Monsters Mordenkainen Presents: Monsters of the Multiverse

(Perception) checks that rely on sight.Multiattack. The duergar makes two Shortsword or Javelin attacks. Shortsword. Melee Weapon Attack: +6;{"diceNotation":"1d20+6", "rollType":"to hit", "rollAction

regulars or organized into elite strike forces for specific missions. Duergar Duergar are dwarves of the deep reaches of the Underdark and other sunless realms. Their personalities and abilities have

Duergar Soulblade

Monsters Mordenkainen Presents: Monsters of the Multiverse

disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.Soulblade. Melee Weapon Attack: +5;{"diceNotation":"1d20+5", "rollType":"to hit", "rollAction":"Soulblade"} to hit

reaches of the Underdark and other sunless realms. Their personalities and abilities have been deeply impacted by their ancestors’ captivity and torment by mind flayers; they were infused with

Duergar Xarrorn

Monsters Mordenkainen Presents: Monsters of the Multiverse

disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.Fire Lance. Melee Weapon Attack: +5;{"diceNotation":"1d20+5", "rollType":"to hit", "rollAction":"Fire Lance"} to hit

carries is invisible with it.Xarrorn are specialists who construct weapons using a mixture of alchemy and psionics. Duergar Duergar are dwarves of the deep reaches of the Underdark and other sunless

Duergar Kavalrachni

Monsters Mordenkainen Presents: Monsters of the Multiverse

Wisdom (Perception) checks that rely on sight.Multiattack. The duergar makes two War Pick attacks. War Pick. Melee Weapon Attack: +4;{"diceNotation":"1d20+4", "rollType":"to hit", "rollAction":"War

are dwarves of the deep reaches of the Underdark and other sunless realms. Their personalities and abilities have been deeply impacted by their ancestors’ captivity and torment by mind flayers

Goliath Werebear

Monsters Icewind Dale: Rime of the Frostmaiden

Keen Smell. The werebear has advantage on Wisdom (Perception) checks that rely on smell. Mountain Born. The werebear is acclimated to high altitude, including elevations above 20,000 feet. Powerful

a creature that prowls the far reaches of Icewind Dale, known as Oyaminartok the Winter Walker. She can take the form of either a polar bear or a hulking, bipedal shape obscured by wind and blowing

Duergar Despot

Monsters Mordenkainen Presents: Monsters of the Multiverse

. Sunlight Sensitivity. While in sunlight, the duergar has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.Multiattack. The duergar makes two Iron Fist

dwarves of the deep reaches of the Underdark and other sunless realms. Their personalities and abilities have been deeply impacted by their ancestors’ captivity and torment by mind flayers; they

Duergar Mind Master

Monsters Mordenkainen Presents: Monsters of the Multiverse

disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.Multiattack. The duergar makes two Mind-Poison Dagger attacks. It can replace one attack with a use of Mind Mastery

and shrink down to miniature size to spy on their targets. Duergar Duergar are dwarves of the deep reaches of the Underdark and other sunless realms. Their personalities and abilities have been

Infernal Calling

Spells Xanathar's Guide to Everything

returns to you to report having done so. If your concentration ends before the spell reaches its full duration, the devil doesn’t disappear if it has become immune to your verbal commands

challenge rating plus 1, and it obeys all your commands, with no Charisma checks required. At Higher Levels. When you cast this spell using a spell slot of 6th level or higher, the challenge rating increases by 1 for each slot level above 5th.

Duergar Warlord

Monsters Mordenkainen Presents: Monsters of the Multiverse

disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.Multiattack. The duergar makes three Psychic-Attuned Hammer or Javelin attacks and uses Call to Attack. Psychic-Attuned

the deep reaches of the Underdark and other sunless realms. Their personalities and abilities have been deeply impacted by their ancestors’ captivity and torment by mind flayers; they were

Elder Brain

Monsters Mordenkainen Presents: Monsters of the Multiverse

Link. The elder brain targets one creature within 120 feet of it with which it has a psychic link. The elder brain ends the link, causing the creature to have disadvantage on all ability checks

elder brain reaches out with tendrils of thought, compelling creatures to come to it so that it can feed on them. When a mind flayer perishes, the elder brain’s servants feed its brain to their

Sea Lion

Compendium - Sources->Dungeons & Dragons->Ghosts of Saltmarsh

Sea Lion These large marine mammals live along coastal regions and around islands at sea. One sea lion is kept in a cell in the lowest reaches of the sahuagin fortress in The Final Enemy. Sea Lion

. Keen Smell. The sea lion has advantage on Wisdom (Perception) checks that rely on smell. Pack Tactics. The sea lion has advantage on an attack roll against a creature if at least one of the sea

Whirlpools

Compendium - Sources->Dungeons & Dragons->Ghosts of Saltmarsh

is restrained by the whirlpool until the start of its next turn. If the creature reaches the whirlpool’s center, the creature is pulled under the surface and either appears at a special location (see

Checks table. If no one makes the check for a particular officer, a failure is contributed toward the group check. Also, roll a d20 for the crew, using its quality score as a modifier to the roll, and

Firbolg Traits

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

the fey, firbolg have long lifespans. A firbolg reaches adulthood around 30, and the oldest of them can live for 500 years. Size. Firbolg are between 7 and 8 feet tall and weigh between 240 and 300

words, though you have no special ability to understand them in return. You have advantage on all Charisma checks you make to influence them. Languages. You can speak, read, and write Common, Elvish, and Giant.

Mage Tower Practice

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

checks wins the scrimmage (ties are possible). After Practice Regardless which team wins, Rosie slaps her thigh with glee, declaring that she hasn’t had so much fun in ages. She reaches into one of her

facility. Making Ability Checks. Feel free to narrate or roleplay this encounter however your players find enjoyable. Ultimately, each character makes a single Strength (Athletics), Dexterity

Shadow Dragons

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

, they might lurk in dark, corrupted reaches of the regions they preferred before transforming into shadow dragons. Overgrown swamps, sepulchral desert ruins, and ash-choked volcanoes make natural lairs

damage that isn’t Force, Psychic, or Radiant. Sunlight Sensitivity. While in sunlight, the dragon has Disadvantage on ability checks and attack rolls. Actions Multiattack. The dragon makes two Rend

Shadow

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

Shadow Shadows are undead that resemble dark exaggerations of humanoid shadows. Dark Disposition. From the darkness, the shadow reaches out to feed on living creatures’ vitality. They can consume any

. While in dim light or darkness, the shadow can take the Hide action as a bonus action. Sunlight Weakness. While in sunlight, the shadow has disadvantage on attack rolls, ability checks, and saving

Infernal Calling

Compendium - Sources->Dungeons & Dragons->Xanathar's Guide to Everything

,” or “bear this message to the queen” — until it completes the activity, at which point it returns to you to report having done so. If your concentration ends before the spell reaches its full

devil’s talisman, you can summon that devil if it is of the appropriate challenge rating plus 1, and it obeys all your commands, with no Charisma checks required. At Higher Levels. When you cast this

Difficulty Class

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

example, once a character’s ability score reaches 20, checks of DC 15 and lower using that ability become automatic successes. Smart players will then always match the character with the highest

Strength of 10 rolls a 20 and knocks the door from its hinges. If such results bother you, consider allowing automatic success on certain checks. Under this optional rule, a character automatically

Doppelganger

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

mother’s species until it reaches adolescence, at which point it discovers its true nature and is driven to seek out its kind to join them. Doppelganger Medium monstrosity (shapechanger), neutral

doppelganger can continue reading its thoughts, as long as the doppelganger’s concentration isn’t broken (as if concentrating on a spell). While reading the target’s mind, the doppelganger has advantage on Wisdom (Insight) and Charisma (Deception, Intimidation, and Persuasion) checks against the target.

Portal Encounters

Compendium - Sources->Dungeons & Dragons->Acquisitions Incorporated

location of the exit portal. Lending a Hand. Helping Dagdra complete her tasks involves a specific process and a number of ability checks, all at DC 12. When an order comes in, it appears magically on

means that only one character can search for each item. Once three items are located with three checks, any character must then make a Strength (Athletics) or Dexterity (Acrobatics) check to place the

Duergar

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

Duergar Duergar are dwarves of the deep reaches of the Underdark and other sunless realms. Their personalities and abilities have been deeply impacted by their ancestors’ captivity and torment by

attack rolls, as well as on Wisdom (Perception) checks that rely on sight. Actions Multiattack. The duergar makes two Iron Fist attacks and two Stomping Foot attacks. After one of the attacks, the

Metalworks Confrontation

Compendium - Sources->Dungeons & Dragons->Journeys through the Radiant Citadel

business records, and mundane tools. If Itzmin reaches the warehouse, he ascends to the catwalk and hides in one of the offices, emerging and trying to escape only after he hears combat. Facing Serapio

influence is bolstered, giving the characters advantage on checks made to convince him to stand down. If Itzmin is there, he goads Serapio to attack, giving the characters disadvantage. Fighting the

Clash of Fallen Flames

Compendium - Sources->Dungeons & Dragons->Dragonlance: Shadow of the Dragon Queen

ranged attacks to keep the characters at bay. They engage in melee combat only if a creature reaches them atop the spire or if they’re outmatched in ranged combat. Both fight to the death. Even as she

above the battlefield momentarily look like five hateful draconic heads. The character must succeed on a DC 16 Wisdom saving throw or have disadvantage on attack rolls and ability checks for 1 round

Diseases

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

saving throw or become infected. One day after infection, the creature’s vision starts to become blurry. The creature takes a -1 penalty to attack rolls and ability checks that rely on sight. At the end of

each long rest after the symptoms appear, the penalty worsens by 1. When it reaches -5, the victim is blinded until its sight is restored by magic such as lesser restoration or heal. Sight rot can be

Rampaging Giant

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

giant has advantage on Wisdom (Perception) checks and on saving throws against being blinded, charmed, deafened, frightened, stunned, or knocked unconscious. The giant is unarmed. As an action, it can

perfectly sane. He reaches the fallen giant at the same time as a squad of three duergar stone guards (see appendix C). The guards who fought alongside the characters explain the situation, neither

Sample Diseases

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

on a DC 15 Constitution saving throw or become infected. One day after infection, the creature's vision starts to become blurry. The creature takes a −1 penalty to attack rolls and ability checks that

rely on sight. At the end of each long rest after the symptoms appear, the penalty worsens by 1. When it reaches −5, the victim is blinded until its sight is restored by magic such as lesser

Reaching the Bottom

Compendium - Sources->Dungeons & Dragons->The Wild Beyond the Witchlight

Reaching the Bottom The swamp beneath the Queen’s Way is presently at a low water level (see “Fluctuating Swamp Waters” earlier in the chapter). As the last character reaches the marshy ground, a

hostile toward its keepers and indifferent toward other creatures. Characters who participated in the Witchlight Carnival’s snail race (see chapter 1) have advantage on Wisdom (Animal Handling) checks made

Example Complex Traps

Compendium - Sources->Dungeons & Dragons->Xanathar's Guide to Everything

Pillars. The pillars are not susceptible to countermeasures. Rune of Fear. The rune can be disabled with three successful DC 15 Intelligence (Arcana) checks. Each check requires an action. A creature must

the jester’s coffin is opened. A magic portal opens at the northern end of the hallway and disgorges an enormous steel sphere, which hurtles down the slope. When it reaches the bottom of the slope, a

The End of the World

Compendium - Sources->Dungeons & Dragons->Acquisitions Incorporated

Rift. The rift tearing reality apart hovers a few feet above the mesa and pulses with eldritch power. A character who reaches the top can see more details behind the Far Realm friends and the army of

character. This leaves him free to attack a character who reaches the mesa top. If he does not currently control the orrery, he attempts to regain control. Mutating Goblins. During the fight

Supernatural Regions

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

Aberrations, fiends, and undead in the region have disadvantage on attack rolls and ability checks for the next 24 hours. 19–24 Each creature carrying the holy symbol of a deity from a non-evil plane while

move toward the source of the whispering, avoiding obvious hazards. When it reaches the source, it is incapacitated. The creature can repeat the saving throw when it takes damage and at the end of

Wilderness Survival

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

Wilderness Survival The following rules come into play as the characters explore Ten-Towns and embark on adventures to the icy, windy, hellishly cold reaches of Icewind Dale. Avalanches The following

ends. A blizzard’s howling wind limits hearing to a range of 100 feet and imposes disadvantage on ranged weapon attack rolls. It also imposes disadvantage on Wisdom (Perception) checks that rely on

Goliaths

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

Werebear Goliath legends speak of a creature that prowls the far reaches of Icewind Dale, known as Oyaminartok the Winter Walker. She can take the form of either a polar bear or a hulking, bipedal shape

Perception 18 Languages Common, Giant (can’t speak in bear form) Challenge 8 (3,900 XP) Keen Smell. The werebear has advantage on Wisdom (Perception) checks that rely on smell. Mountain Born

Social Interaction Example

Compendium - Sources->Dungeons & Dragons->Player’s Handbook

!” I show him the letter that drew us here. Phillip: I watch his reaction as he reads it. 1 Jared: He reaches for the letter but pulls back before touching it. “That seal—it’s not my

what’s frightening him. 1 Ability Checks. Phillip’s character, Gareth, makes a Wisdom (Insight) check to determine whether he reads Ismark’s unspoken cues. Wisdom is the ability that measures

Anvilwroughts

Compendium - Sources->Dungeons & Dragons->Mythic Odysseys of Theros

Languages understands one language of its creator but can’t speak Challenge 1/2 (100 XP) Keen Sight. The raptor has advantage on Wisdom (Perception) checks that rely on sight. Recorded Mimicry

, where Purphoros has his forge, they seek out the far reaches of the world so they can witness beauty in all its forms, then later reunite with their creator, their minds filled with tales of how life’s

D&D Beyond

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