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Summon Construct

Spells Player’s Handbook

, Metal, or Stone. The creature resembles an animate statue (you determine the appearance) made of the chosen material, which determines certain details in its stat block. The creature disappears when

spell’s level Bludgeoning damage. Reactions Berserk Lashing (Clay Only). Trigger: The spirit takes damage from a creature. Response: The spirit makes a Slam attack against that creature if

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

each: charm person, command, hold person 1/day each: compulsion, hold monster, sleep (cast at 3rd level), Tasha's hideous laughterMind Blast (Recharge 5-6);{"diceNotation":"1d6","rollType":"recharge

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

each: charm person, command, hold person 1/day each: compulsion, hold monster, sleep (cast at 3rd level), Tasha's hideous laughterMind Blast (Recharge 5-6);{"diceNotation":"1d6","rollType":"recharge

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

target is Undead, it also has disadvantage on attack rolls against the brain until the end of the brain’s next turn. Mind Blast (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge

Goblin Psi Commander

Monsters Phandelver and Below: The Shattered Obelisk

Mental Burst. When the goblin dies, its pent-up mental energy explodes in a psychic blast. Each creature within 5 feet of it must succeed on a DC 13 Intelligence saving throw or take 10 (4d4

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

Neogi Master Legacy

Monsters Volo's Guide to Monsters

finishes a short or long rest. It knows the following warlock spells: Cantrips (at will): eldritch blast (range 300 ft., +4 bonus to each damage roll), guidance, mage hand, minor illusion

throw or be magically charmed by the neogi for 1 day, or until the neogi dies or is more than 1 mile from the target. The charmed target obeys the neogi’s commands and can’t take reactions

Summon Construct

spells Tasha’s Cauldron of Everything

a material: Clay, Metal, or Stone. The creature resembles a golem or a modron (your choice) made of the chosen material, which determines certain traits in its stat block. The creature disappears when

feet of the construct, the construct can force it to make a Wisdom saving throw against your spell save DC. On a failed save, the target can’t use reactions and its speed is halved until the start

Unspeakable Horror (Aberrant Armor)

Monsters Van Richten’s Guide to Ravenloft

Formed by the Mists. When created, the horror’s body composition takes one of four forms: Aberrant Armor, Loathsome Limbs, Malleable Mass, or Oozing Organs. This form determines certain traits

Blast (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Hex Blast"}. The horror expels necrotic energy in a 30-foot cone. Each creature in that area must make a DC 15

Unspeakable Horror (Malleable Mass)

Monsters Van Richten’s Guide to Ravenloft

Formed by the Mists. When created, the horror’s body composition takes one of four forms: Aberrant Armor, Loathsome Limbs, Malleable Mass, or Oozing Organs. This form determines certain traits

":"Poisonous Limb","rollDamageType":"poison"} poison damage and be poisoned until the end of its next turn. Hex Blast (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Hex

Unspeakable Horror

Monsters Van Richten’s Guide to Ravenloft

Formed by the Mists. When created, the horror’s body composition takes one of four forms: Aberrant Armor, Loathsome Limbs, Malleable Mass, or Oozing Organs. This form determines certain traits

turn. Hex Blast (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Hex Blast"}. The horror expels necrotic energy in a 30-foot cone. Each creature in that area must make a DC 15

Unspeakable Horror (Loathsome Limbs)

Monsters Van Richten’s Guide to Ravenloft

Formed by the Mists. When created, the horror’s body composition takes one of four forms: Aberrant Armor, Loathsome Limbs, Malleable Mass, or Oozing Organs. This form determines certain traits

":"poison"} poison damage and be poisoned until the end of its next turn. Hex Blast (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Hex Blast"}. The horror expels necrotic energy in

Unspeakable Horror (Oozing Organs)

Monsters Van Richten’s Guide to Ravenloft

Formed by the Mists. When created, the horror’s body composition takes one of four forms: Aberrant Armor, Loathsome Limbs, Malleable Mass, or Oozing Organs. This form determines certain traits

its next turn. Hex Blast (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Hex Blast"}. The horror expels necrotic energy in a 30-foot cone. Each creature in that area must

Alhoon

Monsters Mordenkainen Presents: Monsters of the Multiverse

", "rollAction":"Arcane Bolt", "rollDamageType":"force"} force damage. Mind Blast (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Mind Blast"}. The alhoon magically emits psychic

energy in a 60-foot cone. Each creature in that area must succeed on a DC 16 Intelligence saving throw or take 22 (4d8 + 4);{"diceNotation":"4d8+4", "rollType":"damage", "rollAction":"Mind Blast

Miirym

Monsters Candlekeep Mysteries

":"Breath Weapon"}. Miirym uses one of the following breath weapons: Cold Breath. Miirym exhales an icy blast in a 90-foot cone. Each creature in that area must make a DC 21 Constitution saving throw

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

"The Demogorgon"

Monsters Infernal Machine Rebuild

","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

its actions, reactions, and movement. Insanity Gaze. The target suffers the effect of the confusion spell without making a saving throw. The effect lasts until the start of the ettin’s next

Cradle of the Frost Scion

Monsters Bigby Presents: Glory of the Giants

"}. The cradle exhales a blast of frost in a 90-foot cone. Each creature in that area must make a DC 23 Constitution saving throw. On a failed save, a creature takes 52 (8d12);{"diceNotation":"8d12

, the scion’s cradle animates as a bipedal figure formed of ice and snow. It smashes intruders with its icy fists or hurls shards of its own icy substance at them, and it can exhale a blast of

Detect Thoughts Legacy

Spells Basic Rules (2014)

For the duration, you can read the thoughts of certain creatures. When you cast the spell and as your action on each turn until the spell ends, you can focus your mind on any one creature that you

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

Star Spawn Mangler

Monsters Mordenkainen Presents: Monsters of the Multiverse

Disciples of certain Elder Evils can bestow supernatural gifts on those who serve that cult, including star spawn. The following powers are unique to specific cults; typically a creature has only one

, steaming mud. While it is coated in this way, the target’s speed is halved, it can’t use reactions, and it takes 10 (3d6);{"diceNotation":"3d6", "rollType":"damage", "rollAction":"Borem's Embrace

Star Spawn Grue

Monsters Mordenkainen Presents: Monsters of the Multiverse

blasphemous texts, and conduct the mind-searing rituals that guide star spawn into the world. Elder Evil Blessings Disciples of certain Elder Evils can bestow supernatural gifts on those who serve

’t use reactions, and it takes 10 (3d6);{"diceNotation":"3d6", "rollType":"damage", "rollAction":"Borem's Embrace", "rollDamageType":"fire"} fire damage at the start of each of its turns. The effect

Azorius Functionary

Backgrounds Guildmasters’ Guide to Ravnica

-minted 1-zino coins) Feature: Legal Authority You have the authority to enforce the laws of Ravnica, and that status inspires a certain amount of respect and even fear in the populace. People mind

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

Star Spawn Larva Mage

Monsters Mordenkainen Presents: Monsters of the Multiverse

Blessings Disciples of certain Elder Evils can bestow supernatural gifts on those who serve that cult, including star spawn. The following powers are unique to specific cults; typically a creature has

, steaming mud. While it is coated in this way, the target’s speed is halved, it can’t use reactions, and it takes 10 (3d6);{"diceNotation":"3d6", "rollType":"damage", "rollAction":"Borem's

Star Spawn Hulk

Monsters Mordenkainen Presents: Monsters of the Multiverse

Blessings Disciples of certain Elder Evils can bestow supernatural gifts on those who serve that cult, including star spawn. The following powers are unique to specific cults; typically a creature has

, steaming mud. While it is coated in this way, the target’s speed is halved, it can’t use reactions, and it takes 10 (3d6);{"diceNotation":"3d6", "rollType":"damage", "rollAction":"Borem's

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

) Proficiency Bonus +2 Mental Burst. When the goblin dies, its pent-up mental energy explodes in a psychic blast. Each creature within 5 feet of it must succeed on a DC 13 Intelligence saving throw or

Star Spawn Seer

Monsters Mordenkainen Presents: Monsters of the Multiverse

aloud their blasphemous texts, and conduct the mind-searing rituals that guide star spawn into the world. Elder Evil Blessings Disciples of certain Elder Evils can bestow supernatural gifts on those

halved, it can’t use reactions, and it takes 10 (3d6);{"diceNotation":"3d6", "rollType":"damage", "rollAction":"Borem's Embrace", "rollDamageType":"fire"} fire damage at the start of each of its

Traits

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

Traits A monster’s traits, if any, are features that are active at all times or in certain situations. Running a Monster To ensure a monster acts in accordance with its Challenge Rating, follow

using one of its more powerful abilities. Bonus Actions, Reactions, Legendary Actions. If the monster has Bonus Actions, Reactions, or Legendary Actions in its stat block, make sure it uses them as often as it can.

4. Reaction Timing

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

4. Reaction Timing Certain game features let you take a special action, called a reaction, in response to an event. Making opportunity attacks and casting the shield spell are two typical uses of

reactions. If you’re unsure when a reaction occurs in relation to its trigger, here’s the rule: the reaction happens after its trigger, unless the description of the reaction explicitly says otherwise. Once you take a reaction, you can’t take another one until the start of your next turn.

Humanoid Mutate

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

Bonus +2 Sunlight Sensitivity. While in sunlight, the mutate has disadvantage on attack rolls. Actions Multiattack. The mutate makes two Unarmed Strike or Nightmare Blast attacks. Unarmed

Strike. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 7 (1d6 + 4) bludgeoning damage plus 10 (3d6) psychic damage. Nightmare Blast. Ranged Weapon Attack: +6 to hit, range 60 ft., one

Traits

Compendium - Sources->Dungeons & Dragons->D&D Beyond Basic Rules

Traits A monster’s traits, if any, are features that are active at all times or in certain situations. Running a Monster To ensure a monster acts in accordance with its Challenge Rating, follow

using one of its more powerful abilities. Bonus Actions, Reactions, Legendary Actions. If the monster has Bonus Actions, Reactions, or Legendary Actions in its stat block, make sure it uses them as often as it can.

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

/day each: charm person, command, hold person 1/day each: compulsion, hold monster, sleep (cast at 3rd level), Tasha’s hideous laughter Actions Mind Blast (Recharge 5-6). The brain in a jar

Damage Types

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

spear and the frigid blast of a young white dragon’s breath deal cold damage. Fire. Ancient red dragons breathe fire, and many spells conjure flames to deal fire damage. Force. Force is pure magical

deal lightning damage. Necrotic. Necrotic damage, dealt by certain undead and a spell such as chill touch, withers matter and even the soul. Piercing. Puncturing and impaling attacks, including spears

Planes of Eberron

Compendium - Sources->Dungeons & Dragons->Eberron: Rising from the Last War

not a plane is remote or coterminous at a given time depends entirely on the needs of your story. Manifest Zones At certain places in the Material Plane, the barriers between worlds are thin, and

Damage Types

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

and the frigid blast of a young white dragon's breath deal cold damage. Fire. Ancient red dragons breathe fire, and many spells conjure flames to deal fire damage. Force. Force is pure magical energy

lightning damage. Necrotic. Necrotic damage, dealt by certain undead and a spell such as chill touch, withers matter and even the soul. Piercing. Puncturing and impaling attacks, including spears and

Casting Time

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

cantrip with a casting time of 1 action. Reactions Some spells can be cast as reactions. These spells take a fraction of a second to bring about and are cast in response to some event. If a spell can be

cast as a reaction, the spell description tells you exactly when you can do so. Longer Casting Times Certain spells (including spells cast as rituals) require more time to cast: minutes or even hours

Dungeon Features

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

nonmagical, out to a distance of 120 feet. Actions Multiattack. Thalamra uses eldritch blast twice or makes two unarmed strikes. Eldritch Blast (Cantrip). Ranged Spell Attack: +6 to hit, range 120 ft

., one creature. Hit: 9 (1d10 + 4) force damage. Unarmed Strike. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 4 bludgeoning damage. Reactions Hellish Rebuke (1st-Level Spell; 2/Day

Ability Checks

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

element of chance in the situation. For example, your DM can call for a Charisma check at any point during an interaction if he or she wants the dice to play a role in determining an NPC’s reactions. Other

checks might be appropriate in certain situations, at your DM’s discretion. Pay attention to your skill proficiencies when thinking of how you want to interact with an NPC, and stack the deck in your

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