barriers becomes diffusing cause reaction

Gem of Brightness

Magic Items Dungeon Master’s Guide

Word. You expend 5 charges and cause the gem to flare with intense light in a 30-foot Cone. Each creature in the Cone makes a saving throw as if struck by the beam created with the second command word. When all of the gem’s charges are expended, the gem becomes a nonmagical jewel worth 50 GP.

This prism has 50 charges. While you are holding it, you can take a Magic action and use one of three command words to cause one of the following effects: First Command Word. The gem sheds Bright

Wall of Stone

Spells Player’s Handbook

a panel to 0 Hit Points destroys it and might cause connected panels to collapse at the DM’s discretion. If you maintain your Concentration on this spell for its full duration, the wall becomes permanent and can’t be dispelled. Otherwise, the wall disappears when the spell ends.

success, it can use its Reaction to move up to its Speed so that it is no longer enclosed by the wall. The wall can have any shape you desire, though it can’t occupy the same space as a

Find Familiar

Spells Player’s Handbook

touch, your familiar can deliver the touch. Your familiar must be within 100 feet of you, and it must take a Reaction to deliver the touch when you cast the spell. Combat. The familiar is an ally to

forever. As a Magic action while it is temporarily dismissed, you can cause it to reappear in an unoccupied space within 30 feet of you. Whenever the familiar drops to 0 Hit Points or disappears into

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

as normal. For example, you can use 3 levels stored in the rod as a level 3 spell slot. A newly found rod typically has 1d10 levels of spell energy stored in it. A rod that can no longer absorb spell energy and has no energy remaining becomes nonmagical.

Shield Master

Feats Player’s Handbook

Strength saving throw (DC 8 plus your Strength modifier and Proficiency Bonus). On a failed save, you either push the target 5 feet from you or cause it to have the Prone condition (your choice). You can

use this benefit only once on each of your turns. Interpose Shield. If you’re subjected to an effect that allows you to make a Dexterity saving throw to take only half damage, you can take a Reaction to take no damage if you succeed on the saving throw and are holding a Shield.

Quarterstaff of the Acrobat

Magic Items Dungeon Master’s Guide

You have a +2 bonus to attack rolls and damage rolls made with this magic weapon. While holding this weapon, you can cause it to emit green Dim Light out to 10 feet, either as a Bonus Action or

an attack while holding the weapon, you can take a Reaction to twirl the weapon around you, gaining a +5 bonus to your Armor Class against the triggering attack, potentially causing the attack to miss

Noggle Wild Mage

Monsters Lorwyn: First Light

. Such wild mages exist on the peripheries of noggle society as pariahs and vagabonds. Their innate magic becomes strongest when they are most desperate, such as in the heat of battle. Noggles Noggles

Sylvan expression that roughly translates to “that's mine!” Noggles are found only in Shadowmoor, where they roam and cause chaos.

Dazzling Weapon

Magic Items Eberron: Forge of the Artificer

This magic weapon grants a +1 bonus to attack and damage rolls made with it. While holding it, you can take a Bonus Action to cause it to shed Bright Light in a 30-foot radius and Dim Light for an

additional 30 feet. You can extinguish the light as a Bonus Action. The weapon has 4 charges. You can take a Reaction immediately after being hit by an attack roll to expend 1 of the weapon’s

Sling Bullet, Blessed

Equipment

When you hit with Blessed ammunition, the weapon’s damage type becomes Radiant. Also, if the target is Fiend, Fey, or Undead, that creature’s Speed is reduced by 10 feet until the end of its next turn, and the creature can’t take Reaction;Reactions until the start of its next turn.

Arrow, Blessed

Equipment

When you hit with Blessed ammunition, the weapon’s damage type becomes Radiant. Also, if the target is Fiend, Fey, or Undead, that creature’s Speed is reduced by 10 feet until the end of its next turn, and the creature can’t take Reaction;Reactions until the start of its next turn.

Paper Cartridge Bullet, Desecrated

Equipment

When you hit with Desecrated ammunition, the weapon’s damage type becomes Necrotic. Also, if the target is Celestial, Humanoid, or Plant, that creature’s Speed is reduced by 10 feet until

the end of its next turn, and the creature can’t take Reaction;Reactions until the start of its next turn.

Paper Cartridge Bullet, Blessed

Equipment

When you hit with Blessed ammunition, the weapon’s damage type becomes Radiant. Also, if the target is Fiend, Fey, or Undead, that creature’s Speed is reduced by 10 feet until the end of its next turn, and the creature can’t take Reaction;Reactions until the start of its next turn.

Arrow, Desecrated

Equipment

When you hit with Desecrated ammunition, the weapon’s damage type becomes Necrotic. Also, if the target is Celestial, Humanoid, or Plant, that creature’s Speed is reduced by 10 feet until

the end of its next turn, and the creature can’t take Reaction;Reactions until the start of its next turn.

Sling Bullet, Desecrated

Equipment

When you hit with Desecrated ammunition, the weapon’s damage type becomes Necrotic. Also, if the target is Celestial, Humanoid, or Plant, that creature’s Speed is reduced by 10 feet until

the end of its next turn, and the creature can’t take Reaction;Reactions until the start of its next turn.

Staff of Charming Legacy

Magic Items Basic Rules (2014)

property of the staff again until the next dawn. If you succeed on a save against an enchantment spell that targets only you, with or without the staff's intervention, you can use your reaction to

expend 1 charge from the staff and turn the spell back on its caster as if you had cast the spell. The staff regains 1d8 + 2 expended charges daily at dawn. If you expend the last charge, roll a d20. On a 1, the staff becomes a nonmagical quarterstaff.

Staff of Thunder and Lightning Legacy

Magic Items Basic Rules (2014)

, it can't be used again until the next dawn. Lightning. When you hit with a melee attack using the staff, you can cause the target to take an extra 2d6 lightning damage. Thunder. When you hit with

a melee attack using the staff, you can cause the staff to emit a crack of thunder, audible out to 300 feet. The target you hit must succeed on a DC 17 Constitution saving throw or become stunned

Dominate Monster Legacy

Spells Basic Rules (2014)

do. During this time, you can also cause the creature to use a reaction, but this requires you to use your own reaction as well. Each time the target takes damage, it makes a new Wisdom saving throw

Wall of Stone Legacy

Spells Basic Rules (2014)

success, it can use its reaction to move up to its speed so that it is no longer enclosed by the wall. The wall can have any shape you desire, though it can't occupy the same space as a creature or

. The wall is an object made of stone that can be damaged and thus breached. Each panel has AC 15 and 30 hit points per inch of thickness. Reducing a panel to 0 hit points destroys it and might cause

Giant Slug

Monsters The Tortle Package

(2d4 + 2);{"diceNotation":"2d4+2","rollType":"damage","rollDamageType":"piercing"} piercing damage.Animate Tentacle. When the slug takes damage in this cave, it can use its reaction to animate one of

the tentacles of the kraken statue and cause it to make a melee weapon attack (+3;{"diceNotation":"1d20+3","rollType":"to hit"} to hit) against one creature within 20 feet of the statue that the slug

Griffon Cavalry Rider

Monsters Waterdeep: Dragon Heist

","rollDamageType":"piercing"} piercing damage.Feather Fall. The rider wears a magic ring with which it can cast the feather fall spell on itself once as a reaction to falling. After the spell is cast, the

ring becomes nonmagical.The Griffon Cavalry is a special branch of the City Guard whose members are veteran soldiers trained to fly griffon mounts.

Absorbing Tattoo

Magic Items Tasha’s Cauldron of Everything

appear, pressing the needle there throughout the attunement process. When the attunement is complete, the needle turns into the ink that becomes the tattoo, which appears on the skin. If your attunement

Damage Absorption. When you take damage of the chosen type, you can use your reaction to gain immunity against that instance of the damage, and you regain a number of hit points equal to half the

Dominate Beast Legacy

Spells Basic Rules (2014)

. During this time, you can also cause the creature to use a reaction, but this requires you to use your own reaction as well. Each time the target takes damage, it makes a new Wisdom saving throw against

Dominate Person Legacy

Spells Basic Rules (2014)

. During this time you can also cause the creature to use a reaction, but this requires you to use your own reaction as well. Each time the target takes damage, it makes a new Wisdom saving throw

Earth Tremor

Spells Elemental Evil Player's Companion

You cause a tremor in the ground within range. Each creature other than you in that area must make a Dexterity saving throw. On a failed save, a creature takes 1d6 bludgeoning damage and is knocked

prone. If the ground in that area is loose earth or stone, it becomes difficult terrain until cleared, with each 5-foot-diameter portion requiring at least 1 minute to clear by hand. At Higher Levels

Strongheart

Monsters The Wild Beyond the Witchlight

can also cause the blade to gleam with holy light. If he does so, the target is blinded until the start of Strongheart’s next turn. Revivify (Recharges at the Next Dawn). While holding Steel

, 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

Skyblinder Staff

Magic Items Guildmasters’ Guide to Ravnica

makes an attack roll against you, you can use your reaction to hold the staff aloft and cause it to flare with light. The attacker has disadvantage on the attack roll, and it must succeed on a DC 15 Constitution saving throw or be blinded until the start of its next turn.

Driftglobe Legacy

Magic Items Dungeon Master’s Guide (2014)

This small sphere of thick glass weighs 1 pound. If you are within 60 feet of it, you can speak its command word and cause it to emanate the light or daylight spell. Once used, the daylight effect

prevented from moving, the globe sinks gently to the ground and becomes inactive, and its light winks out.

Nilbog Legacy

Monsters Volo's Guide to Monsters

its Reversal of Fortune reaction. Nimble Escape. The nilbog can take the Disengage or Hide action as a bonus action on each of its turns.Fool’s Scepter. Melee Weapon Attack: +4;{"diceNotation

goblin targeted by the spirit must succeed on a DC 15 Charisma saving throw or become possessed. While possessed by the spirit, the goblin’s alignment becomes chaotic evil, its Charisma becomes

Gem of Brightness Legacy

Magic Items Basic Rules (2014)

This prism has 50 charges. While you are holding it, you can use an action to speak one of three command words to cause one of the following effects: The first command word causes the gem to shed

the second command word. When all of the gem's charges are expended, the gem becomes a nonmagical jewel worth 50 gp.

Rakdos

Monsters Guildmasters’ Guide to Ravnica

Captivating Presence. Any creature that starts its turn within 30 feet of Rakdos must make a DC 25 Wisdom saving throw. On a failed save, the creature becomes charmed by Rakdos for 1 minute or until

the creature is farther than 30 feet away from him. On a successful save, the creature becomes immune to Rakdos’s Captivating Presence for 24 hours. Cruel Entertainment. When a creature Rakdos

Sentinel Legacy

Feats Player’s Handbook (2014)

You have mastered techniques to take advantage of every drop in any enemy's guard, gaining the following benefits: When you hit a creature with an opportunity attack, the creature's speed becomes

against a target other than you (and that target doesn't have this feat), you can use your reaction to make a melee weapon attack against the attacking creature.

Kayalithica

Monsters Storm King's Thunder

end of the hour, provided the giant’s meditation has been uninterrupted, it becomes petrified for 8 hours. At the end of this time, the giant is no longer petrified and gains tremorsense out to

: meld into stone, stone shape 1/day: stoneskin, time stop Animate Golem. Once during this adventure, as an action, Kayalithica can point to one of the fossilized stone giants in this cave and cause it

Fraternity of Order Law Bender

Monsters Planescape: Adventures in the Multiverse

turns, it can repeat the saving throw, ending the incapacitated condition on itself on a success. A target that succeeds on the saving throw becomes immune to this law bender’s Power of Authority

armor, mage hand, prestidigitationProbability Loophole (3/Day). When the law bender or a creature it can see makes an attack roll, a saving throw, or an ability check, the law bender can cause the roll

Githyanki Supreme Commander Legacy

Monsters Mordenkainen’s Tome of Foes

attack using its reaction and has advantage on the attack roll. Teleport. The githyanki magically teleports, along with any equipment it is wearing and carrying, to an unoccupied space it can see

within 30 feet of it. It also becomes insubstantial until the start of its next turn. While insubstantial, it can move through other creatures and objects as if they were difficult terrain. If it ends

Tile Chimera

Monsters Tyranny of Dragons

Rejuvenation. If destroyed, the tile chimera regains all its hit points and becomes active again in 24 hours unless at least half its tiles are collected and kept separate from the rest of the

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

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