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If a potion doesn't duplicate a spell, does it require Concentration?

Compendium - Sources->Dungeons & Dragons->Sage Advice & Errata

If a potion doesn’t duplicate a spell, does it require Concentration? A potion’s effect requires Concentration only if its description says so or if it duplicates a spell that requires Concentration.

Gray Slaad

Monsters Monster Manual

":"Chaos Claw", "rollDamageType":"Necrotic"} Necrotic damage. Until the start of the slaad’s next turn, the target has a condition determined by rolling 1d4;{"diceNotation":"1d4", "rollType":"roll

components and using Charisma as the spellcasting ability (spell save DC 16): At Will: Detect Magic, Detect Thoughts, Invisibility (self only), Mage Hand, Major Image1/Day Each: Cloudkill, Fly, Plane Shift

Green Slaad

Monsters Monster Manual

, the target has a condition determined by rolling 1d4;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Chaos Staff"}: on a 1, Charmed; on a 2, Frightened; on a 3, Poisoned; or on a 4

, Incapacitated. Spellcasting. The slaad casts one of the following spells, requiring no Material components and using Charisma as the spellcasting ability (spell save DC 14): At Will: Detect Magic, Detect

Death Slaad

Monsters Monster Manual

", "rollAction":"Chaos Blade", "rollDamageType":"Necrotic"} Necrotic damage. Until the start of the slaad’s next turn, the target has a condition determined by rolling 1d4;{"diceNotation":"1d4", "rollType

components and using Charisma as the spellcasting ability (spell save DC 16): At Will: Detect Magic, Detect Thoughts, Invisibility (self only), Mage Hand, Major Image1/Day Each: Blight (level 8

Necklace of Prayer Beads

Magic Items Dungeon Master’s Guide

. If a magic bead is removed from the necklace, that bead loses its magic. Six types of magic beads exist. The DM decides the type of each bead on the necklace or determines it randomly by rolling on

the table below. A necklace can have more than one bead of the same type. To use one, you must be wearing the necklace. Each bead contains a spell that you can cast from it as a Bonus Action (using

Hat of Many Spells

Magic Items Dungeon Master’s Guide

, determined by rolling on the following table. Any spell you cast from the hat uses your spell save DC and spell attack bonus. 1d100 Effect 01–50 You cast a random spell determined by

This pointed hat has the following properties. Spellcasting Focus. While holding the hat, you can use it as a Spellcasting Focus for your Wizard spells. Any spell you cast using the hat gains a

Candle of Invocation

Magic Items Dungeon Master’s Guide

cast Gate with it. Doing so destroys the candle. The portal created by the spell links to a particular Outer Plane chosen by the DM or determined by rolling on the following table. 1d100 Outer

;D20 Tests. In addition, a Cleric or Druid in the light can cast level 1 spells they have prepared without expending spell slots. Alternatively, when you light the candle for the first time, you can

Clone

Spells Player’s Handbook

You touch a creature or at least 1 cubic inch of its flesh. An inert duplicate of that creature forms inside the vessel used in the spell’s casting and finishes growing after 120 days; you

Mirror Image

Spells Player’s Handbook

duplicates is hit instead of you, and the duplicate is destroyed. The duplicates otherwise ignore all other damage and effects. The spell ends when all three duplicates are destroyed. A creature is unaffected by this spell if it has the Blinded condition, Blindsight, or Truesight.

Three illusory duplicates of yourself appear in your space. Until the spell ends, the duplicates move with you and mimic your actions, shifting position so it’s impossible to track which image

Robe of Useful Items

Magic Items Dungeon Master’s Guide

(coiled) Sack In addition, the robe has 4d4 other patches. The DM chooses the patches or determines them randomly by rolling on the following table. 1d100 Patch 01–08 Bag of

Healing 69–75 Rowboat (12 feet long) 76–83 Spell Scroll containing one spell of level 1, 2, or 3 (your choice) 84–90 2 Mastiff;Mastiffs 91–96 Window (2

Flaming Sphere

Spells Player’s Handbook

saving throw, taking 2d6 Fire damage on a failed save or half as much damage on a successful one. As a Bonus Action, you can move the sphere up to 30 feet, rolling it along the ground. If you move

Dim Light for an additional 20 feet. Using a Higher-Level Spell Slot. The damage increases by 1d6 for each spell slot level above 2.

Iron Flask

Magic Items Dungeon Master’s Guide

defends itself but otherwise takes no actions. At the end of the duration, the creature acts in accordance with its normal disposition and alignment. An Identify spell reveals if the flask contains a

creature, but the only way to determine the type of creature is to open the flask. A newly discovered Iron Flask might already contain a creature chosen by the DM or determined randomly by rolling on

Deck of Illusions

Magic Items Dungeon Master’s Guide

illusion of a creature, determined by rolling on the Deck of Illusions table, forms over the thrown card and remains until dispelled. The illusory creature created by the card looks and behaves like a

identifies it as an illusion with a successful DC 15 Intelligence (Investigation) check. The illusion lasts until its card is moved or the illusion is dispelled (using a Dispel Magic spell or a similar

Moonblade

Magic Items Dungeon Master’s Guide

rejects you but also places a curse on you, causing you to make D20 Test;D20 Tests with Disadvantage for 24 hours or until the curse is ended by a Remove Curse spell or similar magic. If you’re

rolling on the Moonblade Properties table. Minor Property. In addition to its aforementioned properties, each Moonblade has a minor property determined by rolling on the Magic Item’s Minor

Wand of Wonder

Magic Items Dungeon Master’s Guide

other magical effect determined by rolling on the Wand of Wonder Effects table. Spells cast from the wand have a save DC of 15. If a spell’s maximum range is normally less than 120 feet, it

This wand has 7 charges. While holding it, you can take a Magic action to expend 1 charge while choosing a point within 120 feet of yourself. That location becomes the point of origin of a spell or

Demonomicon of Iggwilv

Magic Items Dungeon Master’s Guide

roll for a spell you cast against a Fiend, you use the maximum possible result instead of rolling. Random Properties. The Artifact has the following random properties (see “Artifacts” in

Fiend that you can see that is trapped within the area of a Magic Circle spell. The Fiend must succeed on a DC 20 Charisma saving throw with Disadvantage or become trapped within one of the Demonomicon

Quaal's Feather Token

Magic Items Dungeon Master’s Guide

This object looks like a feather. Different types of feather tokens exist, each with a different single-use effect. The DM chooses the kind of token or determines it randomly by rolling on the Quaal

yourself. The token disappears, and a floating whip takes its place. You can then take a Bonus Action to make a melee spell attack against a creature within 10 feet of the whip, with an attack bonus of

Wish

Spells Player’s Handbook

Wish is the mightiest spell a mortal can cast. By simply speaking aloud, you can alter reality itself. The basic use of this spell is to duplicate any other spell of level 8 or lower. If you use it

this way, you don’t need to meet any requirements to cast that spell, including costly components. The spell simply takes effect. Alternatively, you can create one of the following effects of

Gremishka (DMR)

Monsters Dungeon Masters: Ravenloft Play-Along Pack

destructive menaces delight in tormenting spellcasters and seek to destroy anything associated with them, particularly spellbooks, spell components, and familiars. If exposed to magic, a lone gremishka explodes into a destructive Swarm of Gremishkas (DMR);swarm of duplicate gremishkas.

", "rollType":"damage", "rollAction":"Bite", "rollDamageType":"Force"} Force damage.Magic Allergy (Individual Form Only; 1/Day). Trigger: A creature within 30 feet of the gremishka casts a spell

Swarm of Gremishkas (DMR)

Monsters Dungeon Masters: Ravenloft Play-Along Pack

anything associated with them, particularly spellbooks, spell components, and familiars. If exposed to magic, a lone gremishka explodes into a destructive swarm of duplicate gremishkas.Bludgeoning, Piercing, Slashing

Manshoon

Monsters Forgotten Realms: Adventures in Faerûn

ability (spell save DC 19): At Will: Detect Magic, Detect Thoughts, Light, Lightning Bolt (level 4 version), Mage Armor (included in AC), Mage Hand, Prestidigitation 2/Day Each: Scrying, Sending

, Wall of Force 1/Day Each: Befuddlement, Clone, Finger of Death, Mind Blank (cast before combat), SimulacrumProtective Magic. Manshoon casts Counterspell or Shield in response to the spell’s

Reigar

Monsters Spelljammer: Adventures in Space

", "rollDamageType":"force"} force damage if the reigar is wearing their talarith. Chromatic Bolt. Ranged Spell Attack: +10;{"diceNotation":"1d20+10", "rollType":"to hit", "rollAction":"Chromatic Bolt

"}. Spellcasting (Psionics). The reigar casts one of the following spells, requiring no spell components and using Charisma as the spellcasting ability (spell save DC 18): At will: light, mage hand

Galeb Duhr Legacy

Monsters Monster Manual (2014)

False Appearance. While the galeb duhr remains motionless, it is indistinguishable from a normal boulder. Rolling Charge. If the galeb duhr rolls at least 20 feet straight toward a target and then

hits it with a slam attack on the same turn, the target takes an extra 7 (2d6);{"diceNotation":"2d6","rollType":"damage","rollAction":"Rolling Charge","rollDamageType":"bludgeoning"} bludgeoning damage

Berbalang Legacy

Monsters Mordenkainen’s Tome of Foes

duplicate’s attacks is psychic damage. Innate Spellcasting. The berbalang’s innate spellcasting ability is Intelligence (spell save DC 13). The berbalang can innately cast the following spells

Spectral Duplicate (Recharges after a Short or Long Rest). As a bonus action, the berbalang creates one spectral duplicate of itself in an unoccupied space it can see within 60 feet of it. While the

Cloaker Legacy

Monsters Basic Rules (2014)

an area of bright light, the duplicates disappear. Whenever any creature targets the cloaker with an attack or a harmful spell while a duplicate remains, that creature rolls randomly to determine

whether it targets the cloaker or one of the duplicates. A creature is unaffected by this magical effect if it can't see or if it relies on senses other than sight. A duplicate has the cloaker's AC and

Living Cloudkill

Monsters Eberron: Rising from the Last War

","rollDamageType":"poison"} poison damage on a failed save, or half as much damage on a successful one. The fog moves 10 feet away from the living spell at the start of each of its turns, rolling along the

Amorphous. The living spell can move through a space as narrow as 1 inch wide without squeezing. Magic Resistance. The living spell has advantage on saving throws against spells and other magical

Feylost

Backgrounds The Wild Beyond the Witchlight

under the Feywild’s spell and learned a little about the nature of the mercurial tricksters that dwell there. When you finally returned to your home plane, you did not come back unchanged. You

traveler’s clothes, three trinkets (each determined by rolling on the Feywild Trinkets table), and a pouch containing 8 gp Fey Mark You were transformed in some small way by your stay in the Feywild

Mirror Image Legacy

Spells Basic Rules (2014)

Three illusory duplicates of yourself appear in your space. Until the spell ends, the duplicates move with you and mimic your actions, shifting position so it's impossible to track which image is

one of your duplicates. If you have three duplicates, you must roll a 6 or higher to change the attack's target to a duplicate. With two duplicates, you must roll an 8 or higher. With one duplicate

Gremishka

monsters

magic-users. These wildly destructive menaces delight in tormenting spellcasters and seek to destroy anything associated with them, particularly spellbooks, spell components, and familiars. If exposed to magic, a lone gremishka explodes into a destructive swarm of duplicate gremishkas.

", "rollType":"damage", "rollAction":"Bite", "rollDamageType":"Force"} Force damage.Magic Allergy (Individual Form Only; 1/Day). Trigger: A creature within 30 feet of the gremishka casts a spell

Demogorgon Legacy

Monsters Out of the Abyss

Innate Spellcasting. Demogorgon’s spellcasting ability is Charisma (spell save DC 23). Demogorgon can innately cast the following spells, requiring no material components: At will: detect

the confusion spell without making a saving throw. The effect lasts until the start of Demogorgon’s next turn. Demogorgon doesn’t need to concentrate on the spell.Demogorgon can take 2

Demogorgon

Monsters Mordenkainen Presents: Monsters of the Multiverse

sight. 3–4: Confusing Gaze. The target suffers the effect of the confusion spell without making a saving throw. The effect lasts until the start of Demogorgon’s next turn. Demogorgon doesn

’t need to concentrate on the spell. 5–6: Hypnotic Gaze. The target is charmed by Demogorgon until the start of Demogorgon’s next turn. Demogorgon chooses how the charmed target uses

Ghost Lantern

Magic Items Tomb of Annihilation

feet. While holding the lantern, you can use an action to order the spirit to leave the lantern and duplicate the effect of the mage hand spell. The spirit returns to the lantern when the spell

lantern and can’t be harmed, turned, or raised from the dead. Casting a dispel evil and good spell on the lantern releases the spirit to the afterlife and renders the lantern nonmagical.

Shadowy Duplicate

Monsters Waterdeep: Dungeon of the Mad Mage

. Sunlight Weakness. While in sunlight, the shadow has disadvantage on attack rolls, ability checks, and saving throws. A duplicate reduced to 0 hit points or targeted by a dispel magic spell vanishes in a

Rath Modar

Monsters Tyranny of Dragons

Special Equipment. Rath has a staff of fire, and three spell scroll;spell scrolls: dimension door, feather fall, and fireball. Spellcasting. Rath is an 11th-level spellcaster. His spellcasting

ability is Intelligence (spell save DC 15, +7;{"diceNotation":"1d20+7","rollType":"spell","rollAction":"Spellcasting"} to hit with spell attacks). Rath has the following spells prepared from the wizard

Simulacrum Legacy

Spells Basic Rules (2014)

You shape an illusory duplicate of one beast or humanoid that is within range for the entire casting time of the spell. The duplicate is a creature, partially real and formed from ice or snow, and it

simulacrum lasts until it drops to 0 hit points, at which point it reverts to snow and melts instantly. If you cast this spell again, any duplicate you created with this spell is instantly destroyed.

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