both before death constructs reaction

Mark of Sentinel

Feats Eberron: Forge of the Artificer

(choose when you select this feat). Vigilant Guardian. When a creature you can see within 5 feet of you is hit by an attack roll, you can take a Reaction to swap places with that creature, and you are

Compelled Duel, Shield of Faith 2 Warding Bond, Zone of Truth 3 Counterspell, Protection from Energy 4 Death Ward, Guardian of Faith 5 Bigby's Hand

Power Word Heal Legacy

Spells Player’s Handbook (2014)

A wave of healing energy washes over the creature you touch. The target regains all its hit points. If the creature is charmed, frightened, paralyzed, or stunned, the condition ends. If the creature is prone, it can use its reaction to stand up. This spell has no effect on undead or constructs.

Allip Legacy

Monsters Mordenkainen’s Tome of Foes

Madness","rollDamageType":"psychic"} psychic damage and must use its reaction to make a melee weapon attack against one creature of the allip's choice that the allip can see. Constructs and undead are

stunned until the end of its next turn. On a successful save, it takes half as much damage and isn't stunned. Constructs and undead are immune to this effect.Cold, Necrotic, PoisonAcid, Fire, Lightning, Thunder; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

Death's Head

Monsters Van Richten’s Guide to Ravenloft

Beheaded Form. When created, a death’s head takes one of three forms: Aberrant Head, Gnashing Head, or Petrifying Head. This form determines the creature’s attack. Unusual Nature. The

death’s head doesn’t require air, food, drink, or sleep.Gnashing Bite (Gnashing Head Only). Melee Weapon Attack: +3;{"diceNotation":"1d20+3","rollType":"to hit","rollAction":"Gnashing Bite

Death Tyrant Legacy

Monsters Monster Manual (2014)

Negative Energy Cone. The death tyrant’s central eye emits an invisible, magical 150-foot cone of negative energy. At the start of each of its turns, the tyrant decides which way the cone faces

. The death tyrant shoots three of the following magical eye rays at random;{"diceNotation":"1d10","rollType":"roll","rollAction":"Eye Rays"} (reroll duplicates), choosing one to three targets it can see

Allip

Monsters Mordenkainen Presents: Monsters of the Multiverse

", "rollDamageType":"psychic"} psychic damage, and it is stunned until the end of its next turn. On a successful save, it takes half as much damage and isn’t stunned. Constructs and Undead are immune to this

":"2d8+3", "rollType":"damage", "rollAction":"Whispers of Compulsion", "rollDamageType":"psychic"} psychic damage and must use its reaction to make a melee weapon attack against one creature of the

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

death, enthrall, suggestion 3/day each: hellish rebuke, hex, scorching ray (at 3rd level)Multiattack. The witch makes two attacks: one with its longsword and one with its shortsword. Longsword. Melee

Nagpa Legacy

Monsters Mordenkainen’s Tome of Foes

be paralyzed for 1 minute. A paralyzed target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Undead and constructs are immune to this effect

terrain, wall of fire 5th level (2 slots): dominate person, dream, geas 6th level (1 slot): circle of death, disintegrate 7th level (1 slot): etherealness, prismatic spray 8th level (1 slot

Gauth Legacy

Monsters Volo's Guide to Monsters

must immediately make the save. Death Throes. When the gauth dies, the magical energy within it explodes, and each creature within 10 feet of it must make a DC 14 Dexterity saving throw, taking 13 (3d8

);{"diceNotation":"3d8","rollType":"damage","rollAction":"Death Throes","rollDamageType":"force"} force damage on a failed save, or half as much damage on a successful one.Bite. Melee Weapon Attack

Reborn

Species Van Richten’s Guide to Ravenloft

Death isn’t always the end. The reborn exemplify this, being individuals who have died yet, somehow, still live. Some reborn exhibit the scars of fatal ends, their ashen flesh or bloodless

veins making it clear that they’ve been touched by death. Other reborn are marvels of magic or science, being stitched together from disparate beings or bearing mysterious minds in manufactured

Caradoc

Monsters Dragonlance: Shadow of the Dragon Queen

;The safest place to be is behind the toughest warrior in the room.” Bond. “In life and in death, I’m the only one who matters.” Flaw. “Who can resist a little drama

himself. The target must succeed on a DC 15 Wisdom saving throw, or the target must immediately use its reaction to make a melee attack against another creature of Caradoc’s choice (wasting its reaction if there are no other creatures within reach).

Beholder Legacy

Monsters Monster Manual (2014)

minute. The target awakens if it takes damage or another creature takes an action to wake it. This ray has no effect on constructs and undead. Petrification Ray. The targeted creature must make a

object or creation of magical force, this ray disintegrates a 10-foot cube of it. Death Ray. The targeted creature must succeed on a DC 16 Dexterity saving throw or take 55 (10d10);{"diceNotation

Shield of the Uven Rune

Magic Items Waterdeep: Dungeon of the Mad Mage

cold damage. Deadly Rebuke. Immediately after a creature hits you with a melee attack, you can use your reaction to deal 3d6 necrotic damage to that creature. Bane. You can cast the bane spell from

has the properties of a +1 weapon. The bonus increases to +3 when the weapon is used against one of the following creature types, chosen by you at the time of the magic weapon’s creation: aberrations, celestials, constructs, dragons, elementals, fey, fiends, giants, or undead.

Mordakhesh

Monsters Eberron: Rising from the Last War

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

commanders of his age, and a dragon-slaying specialist. For this, he earned the nickname Shadowsword, along with a legendary reputation for leaving death in his wake. Mordakhesh serves as the prakhutu or

Thaxalia

Monsters Tales from the Yawning Portal

remain unconscious for 1 minute. The target awakens if it takes damage or another creature takes an action to wake it. This ray has no effect on constructs and undead. Petrification Ray. The targeted

eye ray.Thaxalia is a reduced-threat beholder crippled by Thayan magic. Thaxalia’s central eye and two of its eyestalks have been maimed by the Red Wizards, rendering those eye rays (death ray and disintegration) powerless.

Memory Web

Monsters Quests from the Infinite Staircase

can continue to feed on a corpse’s memories for days after its death. If a memory web is slain, any memories it consumed over the last day are discharged from its body in a telepathic deluge

Intelligence saving throw. Constructs, Oozes, Plants, and Undead succeed on the save automatically. On a failed save, the target takes 5 (2d4);{"diceNotation":"2d4", "rollType":"damage", "rollAction":"Drain

Lich Legacy

Monsters Basic Rules (2014)

6th level (1 slot): disintegrate, globe of invulnerability 7th level (1 slot): finger of death, plane shift 8th level (1 slot): dominate monster, power word stun 9th level (1 slot): power word

. Everything about a lich’s lair reflects its keen mind and wicked cunning, including the magic and mundane traps that secure it. Undead, constructs, and bound demons lurk in shadowy recesses

Occultant Abacus

Magic Items Acquisitions Incorporated

long rest. Bead of Instant Karma At rank 3, one of the beads on your occultant abacus channels the power of instant karma, turning the occultant abacus into a rare magic item. As a reaction, you can

disadvantage. When such a roll is made, you can use a reaction to grant a d10 to a different creature you can see. That creature can add the d10 to any ability check, attack roll, or saving throw it

Gauth

Monsters Mordenkainen Presents: Monsters of the Multiverse

must immediately make the save. Death Throes. When the gauth dies, the magical energy within it explodes, and each creature within 10 feet of it must make a DC 14 Dexterity saving throw, taking 13 (3d8

);{"diceNotation":"3d8","rollType":"damage","rollAction":"Death Throes","rollDamageType":"force"} force damage on a failed save, or half as much damage on a successful one.Bite. Melee Weapon Attack

Yeenoghu Legacy

Monsters Out of the Abyss

atrocities in his name. Yeenoghu takes pleasure in causing fear before death, and he sows sorrow and despair through destroying beloved things. He doesn’t parlay; to meet him is to do battle with him

hands before ripping out its throat with his teeth.Yeenoghu’s Lair Yeenoghu’s lair in the Abyss is called the Death Dells, its barren hills and ravines serving as one great hunting ground

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

them into flind;flinds. Yeenoghu takes pleasure in causing fear before death, and he sows sorrow and despair through destroying beloved things. He doesn’t parlay; to meet him is to do battle with

at will, although he is as likely to tear his prey apart with his teeth.Yeenoghu’s Lair Yeenoghu’s lair in the Abyss is called the Death Dells. Its barren hills and ravines serve as a

Ulitharid

Monsters Mordenkainen Presents: Monsters of the Multiverse

: a larger and more potent mind flayer with six tentacles. Illithids innately recognize that an ulitharid’s survival is more important than their own. An elder brain’s reaction to the rise

, taking a group of mind flayers with it, and moves to another location to form a new colony. After the death of the ulitharid’s body, a special process transforms its brain into a new elder brain for

Rak Tulkhesh

Monsters Eberron: Rising from the Last War

). Each creature within 60 feet of Rak Tulkhesh must succeed on a DC 24 Wisdom saving throw or use its reaction to make a melee weapon attack against a random creature within reach. If no creatures

death until the children of Eberron and Siberys rose up against them. Armies of dragons fought against the fiends of Khyber. And though the overlords couldn't be destroyed, the couatl sacrificed

Dullahan

Monsters Van Richten’s Guide to Ravenloft

campaign against the living. In death, dullahans are often rejoined by those who followed them in life, either in the form of lesser undead, like skeleton;skeletons or wight;wights, or terrifying mounts

use its reaction to make a melee attack. Headless Wail (Costs 2 Actions). An echoing shriek issues from the dullahan’s headless stump. Each creature of the dullahan’s choice within 10

Valindra Shadowmantle Legacy

Monsters Tomb of Annihilation

of invulnerability 7th level (1 slot): finger of death, plane shift 8th level (1 slot): dominate monster, power word stun 9th level (1 slot): power word kill Turn Resistance. The lich has

reflects its keen mind and wicked cunning, including the magic and mundane traps that secure it. Undead, constructs, and bound demons lurk in shadowy recesses, emerging to destroy those who dare to disturb

Cloud Giant Destiny Gambler

Monsters Bigby Presents: Glory of the Giants

Thunderous Clap action and Negate Spell reaction. The mask bearing the cloud rune has AC 15; 45 hit points; and immunity to necrotic, poison, and psychic damage. The mask regains all its hit points at

destiny gambler’s Spellcasting action, each castable once per day: circle of death, harm, Otiluke's freezing sphere, sunbeam. Thunder

Drow Matron Mother Legacy

Monsters Mordenkainen’s Tome of Foes

, dispel magic, spirit guardians 4th level (3 slots): banishment, death ward, freedom of movement, guardian of faith 5th level (3 slots): contagion, flame strike, geas, mass cure wounds 6th level (2

allied demon within 30 feet of the drow uses its reaction to make one attack against a target of the drow's choice that she can see. Cast a Spell (Costs 1–3 Actions). The drow expends a spell slot to

Powered Armor

Magic Items Lost Laboratory of Kwalish

advantage on death saving throws. The armor has further capabilities that can be powered either by energy cells or by your own life energy. You can use a bonus action to draw power from an energy cell

not make death saving throws, but the armor takes control of the creature (as above). Additionally, the armor attempts to assume the identity of the user, assuring their allies that nothing is amiss

Power Word Heal

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

its hit points. If the creature is charmed, frightened, paralyzed, or stunned, the condition ends. If the creature is prone, it can use its reaction to stand up. This spell has no effect on undead or constructs.

Deck of Wonder

Magic Items The Book of Many Things

death. You take 2d10 necrotic damage, and your hit point maximum is reduced by an amount equal to the damage taken. This effect can’t reduce your hit point maximum below 10 hit points. This

the next 8 hours, whenever you or a creature within 60 feet of you is about to roll a d20 with advantage or disadvantage, you can use your reaction to prevent the roll from being affected by advantage

Allip

Compendium - Sources->Dungeons & Dragons->Storm Lord’s Wrath

reaction to make a melee weapon attack against one creature of the allip’s choice that the allip can see. Constructs and undead are immune to this effect. Howling Babble (Recharge 6). Each creature

successful save, it takes half as much damage and isn’t stunned. Constructs and undead are immune to this effect.

Mighty Servant of Leuk-o

Magic Items Tasha’s Cauldron of Everything

action, you can command the servant to take one of the actions in its stat block or some other action. When a creature provokes an opportunity attack from the servant, you can use your reaction to command

the servant to make one Destructive Fist attack against that creature. While there are no attuned creatures inside the servant, it is an inert object. Ghost in the Machine. Upon his death, the

Cult of Fierna

Compendium - Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes

become beloved leaders at the head of a band of fanatics are drawn to striking bargains with her. Her cultists can gain the Infernal Loyalty trait. Cult leaders can also gain the Loyalty beyond Death

trait. Infernal Loyalty. This creature has advantage on saving throws while it can see a creature within 30 feet of it that has the Loyalty beyond Death trait. Loyalty beyond Death (Recharges after a

Reaction

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

Reaction When a new sorcerer enters the world, either at birth or later when one’s power becomes evident, the consequences of that event depend greatly on how its witnesses react to what they have

seen. When your sorcerer’s powers appeared, how did the world around you respond? Were other people supportive, fearful, or somewhere in between? Reactions d6 Reaction 1 Your powers are seen as a

Stat Blocks by Creature Type

Compendium - Sources->Dungeons & Dragons->Guildmasters' Guide to Ravnica

horror Celestials Archon of the Triumvirate Aurelia Battleforce angel Deathpact angel Felidar Firemane angel Constructs Servitor thrull Winged thrull Dragons Niv-Mizzet

Old Ways Firefist Flux blastseeker Frontline medic Galvanic blastseeker Golgari shaman Horncaller Hybrid brute Hybrid flier Hybrid poisoner Hybrid shocker Hybrid spy Kraul death

D&D Beyond

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