before become detect construct reaction

Arrow-Catching Shield

Magic Items Dungeon Master’s Guide

attack roll against a target within 5 feet of you, you can take a Reaction to become the target of the attack instead.

Banshee

Monsters Monster Manual

Detect Life. The banshee magically senses the direction of creatures up to 1 mile away that aren’t Constructs or Undead. Incorporeal Movement. The banshee can move through other creatures and

within 30 feet that can hear the wail and isn’t a Construct or an Undead. Failure: If the target has 25 Hit Points or fewer, it drops to 0 Hit Points. Otherwise, the target takes 10 (3d6

Rod of Absorption

Magic Items Dungeon Master’s Guide

While holding this rod, you can take a Reaction to absorb a spell that is targeting only you and doesn’t create an area of effect. The absorbed spell’s effect is canceled, and the spell

by a spell that the rod can’t store, the rod has no effect on that spell. When you become attuned to the rod, you know how many levels of energy the rod has absorbed over the course of its

Whelm

Magic Items Dungeon Master’s Guide

if the target is a Construct, an Elemental, or a Giant. Immediately after hitting or missing, the weapon flies back to your hand. Shock Wave. You can take a Magic action to strike the ground with

. Supernatural Awareness. While you are holding the weapon, it alerts you to the location of any secret or concealed doors within 30 feet of you. In addition, you can cast Detect Evil and Good or Locate

Staff of the Magi

Magic Items Dungeon Master’s Guide

. Spell Absorption. While holding the staff , you have Advantage on saving throws against spells. In addition, you can take a Reaction when another creature casts a spell that targets only you. If

, using your spell save DC. The table indicates how many charges you must expend to cast the spell. Spell Charge Cost Arcane Lock 0 Conjure Elemental 7 Detect Magic 0

Medani Inquisitive

Monsters Eberron: Forge of the Artificer

has marked. While marked, the target can’t become hidden from the inquisitive, and if it has the Invisible condition, it gains no benefit from that condition against the inquisitive. The mark

using Wisdom as the spellcasting ability (spell save DC 13): At Will : Guidance 1/Day Each: Detect Thoughts, See InvisibilitySpontaneous Barrier (Recharge 4–6);{"diceNotation":"1d6", "rollType

Sammaster (Dracolich Form)

Monsters Forgotten Realms: Adventures in Faerûn

", "rollAction":"Spellcasting"} to hit with spell attacks): At Will: Blight, Detect Magic, Dispel Magic, Mage Hand, Prestidigitation, Ray of Sickness (level 6 version) 2/Day Each: Dimension Door

rule Faerûn. His Cult of the Dragon devotes itself to helping evil dragons become dracoliches to bring this evil new age to fruition. Sammaster was killed in battle, but had prepared contingencies

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

knowledge and personal secrets. The Zhentarim wouldn’t have become the organization it is today—one where treachery and subterfuge are the order of the day—without Manshoon’s

Sammaster (Lich Form)

Monsters Forgotten Realms: Adventures in Faerûn

following spells, requiring no Material components and using Intelligence as the spellcasting ability (spell save DC 21): At Will: Cone of Cold, Detect Magic, Dispel Magic, Invisibility, Mage Hand

. His Cult of the Dragon devotes itself to helping evil dragons become dracoliches to bring this evil new age to fruition. Sammaster was killed in battle, but had prepared contingencies for his demise

Vampire Infernalist

Monsters Astarion's Book of Hungers

, the vampire uses Shape-Shift to become mist (no action required). If it can’t use Shape-Shift, it is destroyed. While it has 0 Hit Points in mist form, it can’t return to its vampire form

spellcasting ability (spell save DC 18): At Will: Detect Magic, Detect Thoughts, Dispel Magic, Fireball (level 4 version), Mage Hand, Prestidigitation 2/Day: Scrying 1/Day: Wall of FireLegendary

Lyre of Building

Magic Items Tasha’s Cauldron of Everything

While holding this lyre, you can cast mending as an action. You can also play the lyre as a reaction when an object or a structure you can see within 300 feet of you takes damage, causing it to be

immune to that damage and any further damage of the same type until the start of your next turn. In addition, you can play the lyre as an action to cast fabricate, move earth, passwall, or summon construct (appears in this book), and that spell can’t be cast from it again until the next dawn.

Cause Fear

Spells Xanathar's Guide to Everything

You awaken the sense of mortality in one creature you can see within range. A construct or an undead is immune to this effect. The target must succeed on a Wisdom saving throw or become frightened of

Rod of the Vonindod

Magic Items Storm King's Thunder

and expend 1 charge to cast the locate object spell from it. When the rod is used to detect objects made of adamantine, such as fragments of the Vonindod construct, its range increases to 10 miles.

Loadstone

Magic Items Tales from the Yawning Portal

This stone is a large gem worth 150 gp. Curse. The stone is cursed, but its magical nature is hidden; detect magic doesn’t detect it. An identify spell reveals the stone’s true nature

. If you use the Dash or Disengage action while the stone is on your person, its curse activates. Until the curse is broken with remove curse or similar magic, your speed is reduced by 5 feet, and your maximum load and maximum lift capacities are halved. You also become unwilling to part with the stone.

Jarl Grugnur

Monsters Tales from the Yawning Portal

attacker makes a ranged attack against a target within 5 feet of Grugnur, he can use his reaction to become the target of the attack instead.Cold

Tixie Tockworth

Monsters Keys from the Golden Vault

, metallic red orbs that can see through illusions. In her current form, Tockworth ruthlessly seeks to destroy anyone and anything that stands in the way of her ultimate goal, which is to become a

Construct. If she’s allowed to continue her work, she will achieve this apotheosis in a matter of weeks, after which her creature type changes to Construct. She also gains immunity to poison damage

Tile Chimera

Monsters Tyranny of Dragons

one.Narrow Dodge. When targeted by a melee attack, the tile chimera can take a reaction to turn its narrowest aspect toward the attacker. The attacker has disadvantage on the attack roll.A chimera is a

. The tile chimera acts as a normal chimera magically animated, except it is a construct that doesn’t breathe, drink, eat, or sleep. It makes a clacking noise as it moves, and when injured, it

Simulacrum Legacy

Spells Basic Rules (2014)

. Otherwise, the illusion uses all the statistics of the creature it duplicates, except that it is a construct. The simulacrum is friendly to you and creatures you designate. It obeys your spoken commands

, moving and acting in accordance with your wishes and acting on your turn in combat. The simulacrum lacks the ability to learn or become more powerful, so it never increases its level or other

Graz'zt

Monsters Mordenkainen Presents: Monsters of the Multiverse

spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 23): At will: charm person, detect magic, dispel magic 3/day each: darkness, dominate person

one Wave of Sorrow attack. Dance, My Puppet! One creature charmed by Graz’zt that Graz’zt can see must use its reaction to move up to its speed as Graz’zt directs.The appearance of

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

a jar's innate spellcasting ability is Intelligence (spell save DC 15). It can innately cast the following spells, requiring no components: At will: detect thoughts, mage hand, zone of truth 3/day

Blight Ichor

Equipment

This bitter chartreuse concoction is distilled from a fungus native to the Blightshore badlands. The sickly green liqueur harbors potent psychedelic properties. Provided it is neither a construct nor

consumed, the creature must succeed on a DC 15 Constitution saving throw or become poisoned for 1d6 hours and suffer the effects of a confusion spell for 1 minute. An undead creature subjected to a dose of

Shield Guardian Amulet

Magic Items Icewind Dale: Rime of the Frostmaiden

The amulet is a 4-inch-wide disk composed of silver-framed wood, with a rune carved into its face. A detect magic spell reveals a magical aura of enchantment around the amulet. Every shield

its enemies or to guard the wielder against attack. If an attack threatens to injure the wearer, the construct can magically absorb the blow into its own body, even at a distance. A humanoid that

Blood Witch

Monsters Guildmasters’ Guide to Ravnica

saving throw or use its reaction to move up to 30 feet in a direction of the witch's choice. Devil's Sight. Magical darkness doesn't impede the witch's darkvision. Innate Spellcasting. The witch's

following spells, requiring no material components: At will: alter self, detect magic, eldritch blast (at 11th level), false life, levitate (self only), mage armor (self only) 1/day each: circle of

Lich Legacy

Monsters Basic Rules (2014)

following wizard spells prepared: Cantrips (at will): mage hand, prestidigitation, ray of frost 1st level (4 slots): detect magic, magic missile, shield, thunderwave 2nd level (3 slots): acid arrow

, detect thoughts, invisibility, mirror image 3rd level (3 slots): animate dead, counterspell, dispel magic, fireball 4th level (3 slots): blight, dimension door 5th level (3 slots): cloudkill, scrying

Duergar Kavalrachni Legacy

Monsters Out of the Abyss

Cavalry Training. When the duergar hits a target with a melee attack while mounted on a female steeder, the steeder can make a melee attack against the same target as a reaction. Duergar Resilience

), and makes Strength checks and Strength saving throws with advantage. If the duergar lacks the room to become Large, it attains the maximum size possible in the space available. War Pick. Melee

Narrak

Monsters Out of the Abyss

. One with Shadows. While he is in dim light or darkness, Narrak can become invisible. He remains so until he moves or takes an action or reaction.

Guardian Portrait

Monsters Curse of Strahd

caster's spell save DC or become unconscious for 1 minute. Innate Spellcasting. The portrait's innate spellcasting ability is Intelligence (spell save DC 12). The portrait can innately cast the following

. An animated object doesn't require air, food, drink, or sleep. The magic that animates an object is dispelled when the construct drops to 0 hit points. An animated object reduced to 0 hit points

Preeta Kreepa

Monsters Waterdeep: Dungeon of the Mad Mage

spell attacks). The mage has the following wizard spells prepared: Cantrips (at will): fire bolt, light, mage hand, prestidigitation 1st level (4 slots): detect magic, mage armor, magic missile

or a reaction, she can shoot one of the following eye rays at one target she can see within 120 feet of her: Fear Ray. The target must succeed on a DC 15 Wisdom saving throw or be frightened for 1

Mordakhesh

Monsters Eberron: Rising from the Last War

). Mordakhesh can innately cast the following spells, requiring no material components: At will: chromatic orb (see “Actions” below), detect thoughts, disguise self 1/day each: banishing smite

up to two allies that he can see within 30 feet of him. If a target can see and hear him, the target can make one weapon attack as a reaction and gains advantage on the attack roll.In the age when

Strongheart

Monsters The Wild Beyond the Witchlight

, Strongheart casts revivify. Spellcasting. Strongheart casts one of the following spells, using Charisma as the spellcasting ability (spell save DC 13): 3/day each: command, detect evil and good

, Strongheart can use his reaction to impose disadvantage on the attack roll, provided he is carrying a shield.Strongheart is a fearless seeker of justice, risking his life to ensure that good triumphs over

Telepathic Pentacle

Monsters Icewind Dale: Rime of the Frostmaiden

. The Telepathic Pentacle regains 10 hit points for each head regrown in this way. Reactive Heads. For each head the Telepathic Pentacle has beyond one, it gets an extra reaction that can be used only

","rollDamageType":"piercing"} piercing damage.Months before Ythryn's fall, a circle of mages known as the Telepathic Pentacle tried to fuse their minds together to become a conjoined telepathic force

Ooze Master

Monsters Tales from the Yawning Portal

spells prepared: Cantrips (at will): acid splash, friends, mage hand, poison spray 1st level (4 slots): charm person, detect magic, magic missile, ray of sickness 2nd level (3 slots): detect thoughts

30 feet of it, the Ooze Master can use a reaction to divert the attack if another creature is within the attack's range. The attacker must make a DC 15 Wisdom saving throw. On a failed save, the

Valindra Shadowmantle Legacy

Monsters Tomb of Annihilation

(at will): mage hand, prestidigitation, ray of frost 1st level (4 slots): detect magic, magic missile, shield, thunderwave 2nd level (3 slots): acid arrow, detect thoughts, invisibility, mirror image

this magic or become frightened for 1 minute. The frightened target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a target's saving throw is

Mite

Monsters Mordenkainen's Fiendish Folio Volume 1

, or a saving throw, it must roll a d6 and subtract the number rolled from the d20 roll. On any turn in which it suffers the effect of the hex, the target can attack an ally as a reaction, ignoring the

quickly become a brawl. Heralds of Frustration. Mites are natives of the Feywild that arise when a creature becomes so irritated with a situation or event that it lashes out in violence. That

Shadowfell Brand Tattoo

Magic Items Tasha’s Cauldron of Everything

Defense. When you take damage, you can use your reaction to become insubstantial for a moment, halving the damage you take. Then the reaction can’t be used again until the next sunset. Magic Tattoo

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