7. Concentration

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

7. Concentration As soon as you start casting a spell or using a special ability that requires concentration, your concentration on another effect ends instantly.

Bestow Curse

Spells Player’s Handbook

spell doesn’t require Concentration, and the duration becomes 8 hours (level 5–6 slot) or 24 hours (level 7–8 slot). If you use a level 9 spell slot, the spell lasts until dispelled.

Necrotic damage. Using a Higher-Level Spell Slot. If you cast this spell using a level 4 spell slot, you can maintain Concentration on it for up to 10 minutes. If you use a level 5+ spell slot, the

Dominate Beast

Spells Player’s Handbook

command the target to take a Reaction but must take your own Reaction to do so. Using a Higher-Level Spell Slot. Your Concentration can last longer with a spell slot of level 5 (up to 10 minutes), 6 (up to 1 hour), or 7+ (up to 8 hours).

Couatl

Monsters Monster Manual

Shielded Mind. The couatl’s thoughts can’t be read by any means, and other creatures can communicate with it telepathically only if it allows them.Bite. Melee Attack Roll: +7

;{"diceNotation":"1d20+7", "rollType":"to hit", "rollAction":"bite"}, reach 5 ft. Hit: 11 (1d12 + 5);{"diceNotation":"1d12+5", "rollType":"damage", "rollAction":"Bite", "rollDamageType":"Piercing"} Piercing damage

Dominate Person

Spells Player’s Handbook

can command the target to take a Reaction but must take your own Reaction to do so. Using a Higher-Level Spell Slot. Your Concentration can last longer with a spell slot of level 6 (up to 10 minutes), 7 (up to 1 hour), or 8+ (up to 8 hours).

Deva

Monsters Monster Manual

", "rollType":"to hit", "rollAction":"Holy Mace"}, reach 5 ft. Hit: 7 (1d6 + 4);{"diceNotation":"1d6+4", "rollType":"damage", "rollAction":"Holy Mace", "rollDamageType":"Bludgeoning"} Bludgeoning damage plus 18

, and no Concentration or Temporary Hit Points required to maintain the spell)1/Day Each: Commune, Raise DeadRadiantDivine Aid (2/Day). The deva casts Cure Wounds, Lesser Restoration, or Remove Curse, using the same spellcasting ability as Spellcasting.

Adult Bronze Dragon

Monsters Monster Manual

", "rollType":"to hit", "rollAction":"Rend"}, reach 10 ft. Hit: 16 (2d8 + 7);{"diceNotation":"2d8+7", "rollType":"damage", "rollAction":"Rend", "rollDamageType":"Slashing"} Slashing damage plus 5 (1d10

(Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no Concentration or Temporary Hit Points required to maintain the spell), Speak with Animals, Thaumaturgy1/Day Each

Ancient Brass Dragon

Monsters Monster Manual

. Hit: 19 (2d10 + 8);{"diceNotation":"2d10+8", "rollType":"damage", "rollAction":"Rend", "rollDamageType":"Slashing"} Slashing damage plus 7 (2d6);{"diceNotation":"2d6", "rollType":"damage", "rollAction

3 version), Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no Concentration or Temporary Hit Points required to maintain the spell), Speak with Animals 1

Ancient Silver Dragon

Monsters Monster Manual

no Concentration or Temporary Hit Points required to maintain the spell) 1/Day Each: Control Weather, Ice Storm (level 7 version), Teleport, Zone of TruthLegendary Action Uses: 3 (4 in Lair

Djinni

Monsters Monster Manual

Blade"}, reach 5 feet. Hit: 12 (2d6 + 5);{"diceNotation":"2d6+5", "rollType":"damage", "rollAction":"Storm Blade", "rollDamageType":"Slashing"} Slashing damage plus 7 (2d6);{"diceNotation":"2d6

whirlwind lasts until the djinni’s Concentration on it ends. The djinni can move the whirlwind up to 20 feet at the start of each of its turns. Whenever the whirlwind enters a creature’s

Arch-hag

Monsters Monster Manual

+14", "rollType":"to hit", "rollAction":"Spectral Claw"}, reach 10 ft. or range 60 ft. Hit: 17 (3d6 + 7);{"diceNotation":"3d6+7", "rollType":"damage", "rollAction":"Spectral Claw", "rollDamageType

, it also casts Confusion centered on itself. The spell uses the creature’s spellcasting ability and doesn’t require Concentration. If the arch-hag is destroyed or moves its lair elsewhere

Spellfire Storm

Spells Forgotten Realms: Heroes of Faerûn

blue star sapphire worth 25,000+ GP), which the spell consumes. The spell’s range increases to 1 mile, and it no longer requires Concentration. When the spell is cast, each secondary caster must

Circle spell. Secondary Casters Area of Effect Duration 1–3 40-foot-radius, 40-foot-high Cylinder 1 Hour 4–6 60-foot-radius, 60-foot-high Cylinder 8 Hours 7+ 100-foot-radius, 100-foot-high Cylinder 24 Hours

Adult Spirit Dragon

Monsters Forgotten Realms: Adventures in Faerûn

+ 6);{"diceNotation":"2d8+6", "rollType":"damage", "rollAction":"Rend", "rollDamageType":"Slashing"} Slashing damage plus 7 (2d6);{"diceNotation":"2d6", "rollType":"damage", "rollAction":"Rend

only, no Temporary Hit Points gained from the spell, and no Concentration or Temporary Hit Points required to maintain the spell), Thunderwave 1/Day: Legend Lore (as an action) Time-Warping Breath

Galeb Duhr Legacy

Monsters Monster Manual (2014)

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

or frightened, and it lacks this action option. A boulder remains animated as long as the galeb duhr maintains concentration, up to 1 minute (as if concentrating on a spell).PoisonBludgeoning, Piercing, and Slashing from Nonmagical Attacks

Doppelganger Legacy

Monsters Basic Rules (2014)

"} to hit, reach 5 ft., one target. Hit: 7 (1d6 + 4);{"diceNotation":"1d6+4","rollType":"damage","rollAction":"Slam","rollDamageType":"bludgeoning"} bludgeoning damage. Read Thoughts. The doppelganger

blocks it. While the target is in range, the 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

Huge Gray Ooze

Monsters Waterdeep: Dungeon of the Mad Mage

concentration is broken (as if concentrating on a spell).Multiattack. The Huge Gray Ooze can make two attacks with its pseudopods. Pseudopod. Melee Weapon Attack: +7;{"diceNotation":"1d20+7","rollType":"to

hit","rollAction":"Pseudopod"} to hit, reach 5 ft., one target. Hit: 21 (6d6);{"diceNotation":"6d6","rollType":"damage","rollAction":"Pseudopod","rollDamageType":"acid"} acid damage plus 7 (2d6

Duergar Stone Guard Legacy

Monsters Out of the Abyss

well as on Wisdom (Perception) checks that rely on sight.King's Knife. Melee Weapon Attack: +6;{"diceNotation":"1d20+6","rollType":"to hit","rollAction":"King"} to hit, reach 5 ft., one target. Hit: 7

30/120 ft., one target. Hit: 7 (1d6 + 4);{"diceNotation":"1d6+4","rollType":"damage","rollAction":"Javelin","rollDamageType":"piercing"} piercing damage, or 11 (2d6 + 4);{"diceNotation":"2d6+4

Otto

Monsters Waterdeep: Dungeon of the Mad Mage

Superior Invisibility. As a bonus action, Otto can magically turn invisible until its concentration ends (as if concentrating on a spell). Any equipment Otto wears or carries is invisible with it

: suggestion Blue, 1/day: major image Indigo, 1/day: hallucinatory terrain Violet, 1/day: polymorphBite. Melee Weapon Attack: +7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction":"Bite"} to hit, reach

Seth the Shapeshifting Dragon

Monsters Misplaced Monsters: Volume One

. Melee Weapon Attack: +11;{"diceNotation":"1d20+11", "rollType":"to hit", "rollAction":"Bite"} to hit, reach 10 ft., one target. Hit: 10 (1d6 + 7);{"diceNotation":"1d6+7", "rollType":"damage

: +11;{"diceNotation":"1d20+11", "rollType":"to hit", "rollAction":"Claw"} to hit, reach 5 ft., one target. Hit: 14 (2d6 + 7);{"diceNotation":"2d6+7", "rollType":"damage", "rollAction":"Claw

Faerie Dragon (Older) Legacy

Monsters Monster Manual (2014)

Superior Invisibility. As a bonus action, the dragon can magically turn invisible until its concentration ends (as if concentrating on a spell). Any equipment the dragon wears or carries is invisible

: mirror image Green, 1/day: suggestion Blue, 1/day: major image Indigo, 1/day: hallucinatory terrain Violet, 1/day: polymorphBite. Melee Weapon Attack: +7;{"diceNotation":"1d20+7","rollType":"to hit

Young Lunar Dragon

Monsters Spelljammer: Adventures in Space

dragon makes one Bite attack and two Claw attacks. Bite. Melee Weapon Attack: +7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction":"Bite"} to hit, reach 10 ft., one target. Hit: 7 (1d6 + 4

":"cold"} cold damage. Claw. Melee Weapon Attack: +7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction":"Claw"} to hit, reach 5 ft., one target. Hit: 7 (1d6 + 4);{"diceNotation":"1d6+4

Duergar Warlord Legacy

Monsters Mordenkainen’s Tome of Foes

it is available. Psychic-Attuned Hammer. Melee Weapon Attack: +7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction":"Psychic"} to hit, reach 5 ft., one target. Hit: 9 (1d10 + 4);{"diceNotation

Ranged Weapon Attack: +7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction":"Javelin"} to hit, reach 5 ft. or range 30/120 ft., one target. Hit: 7 (1d6 + 4);{"diceNotation":"1d6+4","rollType

Duergar Alchemist

Monsters Out of the Abyss

;{"diceNotation":"1d20+4","rollType":"to hit","rollAction":"Acid Vial"} to hit, range 20 ft., one target. Hit: 7 (2d6);{"diceNotation":"2d6","rollType":"damage","rollAction":"Acid Vial","rollDamageType

until its concentration is broken, up to 1 hour (as if concentrating on a spell). Any equipment the duergar wears or carries is invisible with it.Poison

Conjure Fey Legacy

Spells Basic Rules (2014)

defends itself from hostile creatures but otherwise takes no actions. If your concentration is broken, the fey creature doesn't disappear. Instead, you lose control of the fey creature, it becomes

Hag, Killer Whale 4 Elephant 5 Giant Crocodile, Giant Shark 6 Mammoth 7 Giant Ape 8 Tyrannosaurus Rex

Faerie Dragon (Younger) Legacy

Monsters Monster Manual (2014)

Superior Invisibility. As a bonus action, the dragon can magically turn invisible until its concentration ends (as if concentrating on a spell). Any equipment the dragon wears or carries is invisible

: mirror imageBite. Melee Weapon Attack: +7;{"diceNotation":"1d20+7","rollType":"to hit","rollAction":"Bite"} to hit, reach 5 ft., one creature. Hit: 1 piercing damage. Euphoria Breath (Recharge 5–6

Aboleth Legacy

Monsters Basic Rules (2014)

of creatures it can see within 60 feet of it. While maintaining concentration on this effect, the aboleth can’t take other lair actions. If a target succeeds on the saving throw or if the effect

target any number of creatures it can see in such water within 90 feet of it. A target must succeed on a DC 14 Wisdom saving throw or take 7 (2d6);{"diceNotation":"2d6","rollType":"damage

Zargash

Monsters The Wild Beyond the Witchlight

target. Hit: 6 (1d8 + 2);{"diceNotation":"1d8+2","rollType":"damage","rollAction":"Warhammer","rollDamageType":"bludgeoning"} bludgeoning damage, or 7 (1d10 + 2);{"diceNotation":"1d10+2","rollType

. The zombie takes its turn immediately after Zargash. Animating the zombie requires Zargash’s concentration (as if concentrating on a spell). The zombie reverts to an inanimate corpse after 10 minutes, when it drops to 0 hit points, or when Zargash’s concentration ends.

Reduced-threat Aboleth

Monsters Tales from the Yawning Portal

can see the creature. Reduced Threat. This creature has -2 penalty on all ability checks and saving throws.Multiattack. The aboleth makes three tentacle attacks. Tentacle. Melee Weapon Attack: +7

;{"diceNotation":"1d20+7","rollType":"to hit","rollAction":"Tentacle"} to hit, reach 10 ft., one target. Hit: 12 (2d6 + 5);{"diceNotation":"2d6+5","rollType":"damage","rollAction":"Tentacle

Witchstalker

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

. Bite. Melee Weapon Attack: +7;{"diceNotation":"1d20+7", "rollType":"to hit", "rollAction":"Bite"} to hit, reach 5 ft., one target. Hit: 14 (3d6 + 4);{"diceNotation":"3d6+4", "rollType":"damage

":"psychic"} psychic damage and has disadvantage on Constitution saving throws to maintain concentration on spells until the end of its next turn. On a successful save, a creature takes half as much damage

Elder Brain Legacy

Monsters Volo's Guide to Monsters

conversations with up to ten creatures at a time. The elder brain can let those creatures telepathically hear each other while connected in this way.Tentacle. Melee Weapon Attack: +7;{"diceNotation

":"1d20+7","rollType":"to hit","rollAction":"Tentacle"} to hit, reach 30 ft., one target. Hit: 20 (4d8 + 2);{"diceNotation":"4d8+2","rollType":"damage","rollAction":"Tentacle","rollDamageType":"bludgeoning

Duergar Spy

Monsters Tales from the Yawning Portal

, and illusions, as well as to resist being charmed or paralyzed. Sneak Attack. Once per turn, the spy can deal an extra 7 (2d6);{"diceNotation":"2d6","rollType":"roll","rollAction":"Sneak Attack"} damage

Short or Long Rest). The spy magically turns invisible until it attacks, deals damage, casts a spell, or uses its Enlarge, or until its concentration is broken, up to 1 hour (as if concentrating on a spell). Any equipment the spy wears or carries is invisible with it. Poison

Daemogoth

Monsters Strixhaven: A Curriculum of Chaos

cast that spell using this pact, requiring no material components and using Intelligence as the spellcasting ability. When it casts the spell, the creature takes 7 (2d6);{"diceNotation":"2d6

", "rollType":"damage", "rollAction":"Pact of Pain", "rollDamageType":"psychic"} psychic damage, which can’t break the creature’s concentration on a spell. Once the bound creature casts the spell in

Star Lancer

Monsters Monstrous Compendium Vol. 1: Spelljammer Creatures

hit","rollAction":"Horn"} to hit, reach 5 ft., one target. Hit: 7 (1d6 + 4);{"diceNotation":"1d6+4","rollType":"damage","rollAction":"Horn","rollDamageType":"piercing"} piercing damage. If the star

creature riding it attacks or casts a spell, or until the star lancer’s concentration ends (as if concentrating on a spell). Any equipment worn or carried by the invisible creatures is also

Dabus

Monsters Planescape: Adventures in the Multiverse

, range 90 ft., one target. Hit: 7 (1d8 + 3);{"diceNotation":"1d8+3", "rollType":"damage", "rollAction":"Flying Brick", "rollDamageType":"bludgeoning"} bludgeoning damage. Grasping Ground (Recharge 6

minute or if the dabus’s concentration ends (as if concentrating on a spell).Among the bustling throngs of Sigil’s streets float gray-skinned, vaguely humanlike figures with curled horns

Duergar Stone Guard

Monsters Mordenkainen Presents: Monsters of the Multiverse

":"Shortsword"} to hit, reach 5 ft., one target. Hit: 7 (1d6 + 4);{"diceNotation":"1d6+4", "rollType":"damage", "rollAction":"Shortsword", "rollDamageType":"piercing"} piercing damage, or 11 (2d6 + 4

;{"diceNotation":"1d20+6", "rollType":"to hit", "rollAction":"Javelin"} to hit, reach 5 ft. or range 30/120 ft., one target. Hit: 7 (1d6 + 4);{"diceNotation":"1d6+4", "rollType":"damage", "rollAction":"Javelin

D&D Beyond

7. Concentration

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