causes reaction granting to have rules

Leprechaun

Monsters Quests from the Infinite Staircase

magically gifts the target a measure of luck. The creature gains the leprechaun’s Astonishing Luck reaction. The creature can use the reaction three times, after which this gift goes away. The

roll to use, potentially turning the failure into a success.Leprechauns are manifestations of the Feywild rules of hospitality and reciprocity. These rules infuse leprechauns with a deep connection to

Orcus Legacy

Monsters Out of the Abyss

multiverse transformed into a vast necropolis populated solely by undead creatures under his command. Orcus rewards those who spread death in his name by granting them a small portion of his power

chapter 7, "Treasure” of the Dungeon Master’s Guide.Orcus’s Lair Orcus makes his lair in the fortress city of Naratyr, which is on Thanatos, the layer of the Abyss that he rules

Orcus

Monsters Mordenkainen Presents: Monsters of the Multiverse

into a vast necropolis populated solely by Undead creatures under his command. Orcus rewards those who spread death in his name by granting them a small portion of his power. The least of these

Dungeon Master’s Guide.Orcus’s Lair Orcus makes his lair in the fortress city of Naratyr, which is on Thanatos, the layer of the Abyss that he rules. Surrounded by a moat fed by the

Gadabout

Monsters Monstrous Compendium Vol. 1: Spelljammer Creatures

target to escape the grapple causes the gadabout to use its reaction to move into the nearest unoccupied space. While grappled by the gadabout, the target determines where the gadabout moves on the

Witchkite

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

the following effects of the witchkite’s choice: The target must use its reaction to make a melee attack against another creature of the witchkite’s choice that is within the target

forbidden and dangerous magical secrets. The arcane nature of a witchkite’s hoard seeps into the dragon’s core, granting it spellcasting abilities and twisting its fiery breath into malevolent

Sibriex

Monsters Mordenkainen Presents: Monsters of the Multiverse

save, the target is poisoned, which causes it to also gain 1 level of exhaustion. While poisoned in this way, the target must repeat the saving throw at the start of each of its turns. Three

successful saves against the poison end it, and ending the poison removes any levels of exhaustion caused by it. Each failed save causes the target to gain another level of exhaustion. Once the target reaches

Flind

Monsters Mordenkainen Presents: Monsters of the Multiverse

"} bludgeoning damage, and the target must make a DC 16 Wisdom saving throw. On a failed save, the target must use its reaction, if available, to make one melee attack against a random creature, other than

Yeenoghu, a flind uses demonic insight to guide the gnolls toward weak prey ripe for slaughter. Unlike other leaders who might skulk behind their minions, a flind leads the charge in battle. Its flail causes wracking pain, paralysis, and disorientation in those it strikes.

Jiangshi

Monsters Van Richten’s Guide to Ravenloft

Jiangshi Weaknesses. The jiangshi has the following flaws: Fear of Its Own Reflection. If the jiangshi sees its own reflection, it immediately uses its reaction, if available, to move as far away

within their tombs and hidden ruins to avoid the attention of the living. At night, they emerge to drain life from other creatures, these vital energies sustaining their unnatural existences and granting

Frost Giant Ice Shaper

Monsters Bigby Presents: Glory of the Giants

action and Ice Armor reaction. The object bearing the rune has AC 16; 40 hit points; and immunity to necrotic, poison, and psychic damage. The object regains all its hit points at the end of every turn

giant uses this action again.Ice Armor (Requires Frost Rune). When a creature the giant can see makes an attack roll against it, the giant can form a coat of ice around itself, granting it a +6 bonus to

Forest Master

Monsters Monstrous Compendium Vol. 2: Dragonlance Creatures

carrying, teleports to an unoccupied space within 30 feet that he can see.Said to be older than the trees themselves, the Forest Master is a wise and powerful unicorn who rules over the creatures of

Briars (Recharge 4–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Erupting Briars"}. The Forest Master touches his horn to the earth and causes a 5-foot-tall wall of briars to erupt

Devastation Orb

Magic Items Princes of the Apocalypse

. Reducing it to 0 hit points causes it to explode instantly. A special container can be crafted to contain a devastation orb and prevent it from detonating. The container must be inscribed with symbols

batter it. The wind is strong enough to uproot weak trees and destroy light structures after at least 10 minutes of exposure. Otherwise, the rules for strong wind apply, as detailed in chapter 5 of the

Zuggtmoy Legacy

Monsters Out of the Abyss

Thrall. When Zuggtmoy is hit by an attack, one creature within 5 feet of Zuggtmoy that is charmed by her must use its reaction to be hit by the attack instead.Zuggtmoy can take 3 legendary actions

turn. Attack. Zuggtmoy makes one pseudopod attack. Exert Will. One creature charmed by Zuggtmoy that she can see must use its reaction to move up to its speed as she directs or to make a weapon

Geryon (Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

teleports, along with any equipment he is wearing and carrying, up to 120 feet to an unoccupied space he can see. Sound the Horn (1/Day). Geryon blows his horn, which causes 5d4;{"diceNotation":"5d4

one of the following lair actions; he can’t take the same lair action two rounds in a row: Banish. Geryon casts the banishment spell. Chill Blast. Geryon causes a blast of cold to burst from the

Inquisitor of the Tome

Monsters Van Richten’s Guide to Ravenloft

against the attack. If this causes the attack to miss, the attacker is hit by the attack instead.“Evil lurks everywhere. With our minds, we will unearth it, we will plumb its depths, and we will

order’s members became the inquisition’s scholars, represented by a tome. Today the inquisition rules the city of Malitain, a vast city-state to the north of Barovia’s original site

Auril (Second Form)

Monsters Icewind Dale: Rime of the Frostmaiden

Short or Long Rest). Auril causes a magical blast of cold air to erupt from her hand. Each creature in a 60-foot cone must make a DC 21 Constitution saving throw, taking 36 (8d8);{"diceNotation":"8d8

damage from swirling ice, and nonmagical, open flames in that area are extinguished. Splinter (Costs 3 Actions). Auril uses Create Ice Mephit or causes one to ice mephit she can see within 60 feet of

Geryon

Monsters Mordenkainen Presents: Monsters of the Multiverse

following lair actions; he can’t take the same lair action two rounds in a row: Banish. Geryon casts the banishment spell. Chill Blast. Geryon causes a blast of cold to burst from the ground

–6). As a reaction when this creature takes damage, it can roll a d10 and subtract the number rolled from the damage. Geryon (Variant);VARIANT: SOUND THE HORN Geryon can have an action that

Duergar Mind Master

Monsters Mordenkainen Presents: Monsters of the Multiverse

. The duergar targets one creature it can see within 60 feet of it. The target must succeed on a DC 12 Intelligence saving throw, or the duergar causes it to use its reaction, if available, either to

Deep Dragon Wyrmling

Monsters Fizban's Treasury of Dragons

; black-and-gray hide is smooth like a salamander’s, and their eyes are pale. As they age, their spore breath causes fungi to bloom across their skin, especially around the head and neck. Their

it to the surface world. Lost and confused, the wyrmling has been captured by a group of cruel adventurers. 3 A deep dragon wyrmling whimsically rules over a worshipful group of kobolds, sending

Archon of Falling Stars

Monsters Mythic Odysseys of Theros

makes a radiant spear attack, and then its mount can use its reaction to make a melee weapon attack. Return to Nyx (Costs 3 Actions). The archon causes a corpse it can see within 30 feet of it to burst

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

target one creature you can see that is about to attempt an ability check, attack roll, or saving throw, either granting advantage or imposing disadvantage on the roll. The bead crumbles to dust when

Yeenoghu Legacy

Monsters Out of the Abyss

same effect two rounds in a row. Yeenoghu causes an iron spike—5 feet tall and 1 inch in diameter—to burst from the ground at a point he can see within 100 feet of him. Any creature in

condition. Each gnoll or hyena that Yeenoghu can see can use its reaction to move up to its speed. Until the next initiative count 20, all gnoll;gnolls and hyena;hyenas within the lair are enraged

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

. Yeenoghu causes an iron spike—5 feet tall and 1 inch in diameter—to burst from the ground at a point he can see within 100 feet of him. Any creature in the space where the spike emerges

or hyena that Yeenoghu can see can use its reaction to move up to its speed. Regional Effects The region containing Yeenoghu’s lair is warped by his magic, creating one or more of the

Zuggtmoy

Monsters Mordenkainen Presents: Monsters of the Multiverse

. One creature charmed by Zuggtmoy that she can see must use its reaction, if available, to move up to its speed as she directs or to make one weapon attack against a target that she designates.The Demon

and make one weapon attack. Summon Fungi. Zuggtmoy causes four gas spore;gas spores or violet fungus;violet fungi (both appear in the Monster Manual) to appear in unoccupied spaces that she chooses

Arasta

Monsters Mythic Odysseys of Theros

addition, Arasta’s children immediately swarm over her body to protect her, granting her 100 temporary hit points. Legendary Resistance (3/Day). If Arasta fails a saving throw, she can choose to

attack with her claws. Swarm (Costs 2 Actions). Arasta causes two Swarm of Insects (Spiders) ;swarms of spiders (see the Monster Manual) to appear in unoccupied spaces within 5 feet of her. Toxic Web

Adult Deep Dragon

Monsters Fizban's Treasury of Dragons

creature within 30 feet of it that it can see. The target must succeed on a DC 16 Wisdom saving throw or use its reaction to make a melee weapon attack against a random creature within reach. If no

creatures are within reach, or the target can’t take a reaction, it takes 5 (1d10);{"diceNotation":"1d10", "rollType":"damage", "rollAction":"Commanding Spores", "rollDamageType":"psychic"} psychic

Ancient Deep Dragon

Monsters Fizban's Treasury of Dragons

around a creature within 30 feet of it that it can see. The target must succeed on a DC 19 Wisdom saving throw or use its reaction to make a melee weapon attack against a random creature within reach. If

no creatures are within reach, or the target can’t take a reaction, it takes 11 (2d10);{"diceNotation":"2d10", "rollType":"damage", "rollAction":"Commanding Spores", "rollDamageType":"psychic

Teeth of Dahlver-Nar

Magic Items Tasha’s Cauldron of Everything

, you can use your reaction to cause them to be hit instead. You can’t use this reaction again until you finish a short or long rest. 4 The Mill Road Murders (halfling canine) 3 green hag

Dooms of the Malpheggi (emerald lizardfolk fang) 1 Lizard King/Queen;lizardfolk queen and 4 lizardfolk You gain reptilian scales, granting you a +2 bonus to your AC. Additionally, when you finish a

Guile of the Cloud Giant

Feats Bigby Presents: Glory of the Giants

You’ve manifested the confounding magic emblematic of cloud giants, granting you the following benefits: Ability Score Increase. Increase your Strength, Constitution, or Charisma score by 1

, to a maximum of 20. Cloudy Escape. When a creature you can see hits you with an attack roll, you can use your reaction to give yourself resistance to that attack’s damage. You then teleport to

Duergar Mind Master Legacy

Monsters Mordenkainen’s Tome of Foes

succeed on a DC 12 Intelligence saving throw, or the duergar causes it to use its reaction either to make one weapon attack against another creature the duergar can see or to move up to 10 feet in a

Weave Numen

spells

within 120 feet of you casts a spell, you can take a Reaction to expend 1 thread to interrupt that spell. If it’s a spell of level 3 or lower, the spell fails and has no effect. If it’s a

spell that causes a creature to be healed or take damage, you can spend up to six threads. The amount of damage or healing caused to one creature by that spell increases by four times the number of

Gift of the Chromatic Dragon

Feats Fizban's Treasury of Dragons

You’ve manifested some of the power of chromatic dragons, granting you the following benefits: Chromatic Infusion. As a bonus action, you can touch a simple or martial weapon and infuse it

, you can't do so again until you finish a long rest. Reactive Resistance. When you take acid, cold, fire, lightning, or poison damage, you can use your reaction to give yourself resistance to that

Gift of the Gem Dragon

Feats Fizban's Treasury of Dragons

You’ve manifested some of the power of gem dragons, granting you the following benefits: Ability Score Increase. Increase your Intelligence, Wisdom, or Charisma score by 1, to a maximum of 20

. Telekinetic Reprisal. When you take damage from a creature that is within 10 feet of you, you can use your reaction to emanate telekinetic energy. The creature that dealt damage to you must make a

Fury of the Frost Giant

Feats Bigby Presents: Glory of the Giants

You’ve manifested the icy might emblematic of frost giants, granting you the following benefits: Ability Score Increase. Increase your Strength, Constitution, or Wisdom score by 1, to a

use your reaction to retaliate with a conjured blast of ice. The creature must make a Constitution saving throw (DC equals 8 + your proficiency bonus + the modifier of the ability increased by this feat

Vigor of the Hill Giant

Feats Bigby Presents: Glory of the Giants

You’ve manifested the resilience emblematic of hill giants, granting you the following benefits: Ability Score Increase. Increase your Strength, Constitution, or Wisdom score by 1, to a

maximum of 20. Bulwark. When you are subjected to an effect that would move you at least 5 feet or give you the prone condition, you can use your reaction to steady yourself. You aren’t moved and don

Gift of the Metallic Dragon

Feats Fizban's Treasury of Dragons

You’ve manifested some of the power of metallic dragons, granting you the following benefits: Draconic Healing. You learn the cure wounds spell. You can cast this spell without expending a

another creature you can see within 5 feet of you is hit by an attack roll, you can use your reaction to manifest spectral wings from your back for a moment. You grant a bonus to the target’s AC

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