before based dealing causing reaction

Gnoll Pack Lord

Monsters Monster Manual

creature it can see within 60 feet of itself that has the Rampage Bonus Action. The target can take a Reaction to make one melee attack.Rampage (2/Day). Immediately after dealing damage to a creature that is already Bloodied, the gnoll moves up to half its Speed, and it makes one Bone Whip attack.

Warrior Commander

Monsters Monster Manual

effects: Sap. The target has Disadvantage on its next attack roll before the start of the warrior’s next turn. Maneuver. One ally who can see or hear the warrior can take a Reaction to move up

until the end of the target’s next turn.Counterattack. Trigger: The warrior is hit by an attack roll. Response: The warrior adds 4 to its AC against that attack, possibly causing it to miss. On a

Marilith

Monsters Monster Manual

Resistance. The marilith has Advantage on saving throws against spells and other magical effects. Reactive. The marilith can take one Reaction on every turn of combat.Multiattack. The marilith makes six Pact

ends.Parry. Trigger: The marilith is hit by a melee attack roll while holding a weapon. Response: The marilith adds 5 to its AC against that attack, possibly causing it to miss.PoisonCold, Fire

Rope of Entanglement

Magic Items Dungeon Master’s Guide

. The target must succeed on a DC 15 Dexterity saving throw or have the Restrained condition. You can release the target by letting go of your end of the rope (causing the rope to coil up in the target

’s space) or by using a Bonus Action to repeat the command (causing the rope to coil up in your hand). A target Restrained by the rope can take an action to make its choice of a DC 15 Strength

Defensive Duelist

Feats Player’s Handbook

a Finesse weapon and another creature hits you with a melee attack, you can take a Reaction to add your Proficiency Bonus to your Armor Class, potentially causing the attack to miss you. You gain this bonus to your AC against melee attacks until the start of your next turn.

Net Legacy

Equipment

success. Dealing 5 slashing damage to the net (AC 10) also frees the creature without harming it, ending the effect and destroying the net. When you use an action, bonus action, or reaction to

Quarterstaff of the Acrobat

Magic Items Dungeon Master’s Guide

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

Shadow of Moil

Spells Xanathar's Guide to Everything

Flame-like shadows wreathe your body until the spell ends, causing you to become heavily obscured to others. The shadows turn dim light within 10 feet of you into darkness, and bright light in the

same area to dim light. Until the spell ends, you have resistance to radiant damage. In addition, whenever a creature within 10 feet of you hits you with an attack, the shadows lash out at that creature, dealing it 2d8 necrotic damage.

Defensive Duelist Legacy

Feats Player’s Handbook (2014)

When you are wielding a finesse weapon with which you are proficient and another creature hits you with a melee attack, you can use your reaction to add your proficiency bonus to your AC for that attack, potentially causing the attack to miss you.

Narycrash

Equipment

This backpack-sized device holds a balloon-based parachute. If you fall while wearing this device, you can use your reaction to deploy the parachute. Once deployed, the parachute rapidly inflates

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

duergar magically increases in size, along with anything it is wearing or carrying. While enlarged, the duergar is Large, doubles its damage dice on Strength-based weapon attacks (included in the attacks

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

","rollType":"damage","rollAction":"Shortbow","rollDamageType":"piercing"} piercing damage.Reversal of Fortune. In response to another creature dealing damage to the nilbog, the nilbog reduces the

Ooze Master

Monsters Tales from the Yawning Portal

","rollDamageType":"acid"} acid damage. Any nonmagical weapon that hits the Ooze Master corrodes. After dealing damage, the weapon takes a permanent and cumulative −1 penalty to damage rolls. If its

penalty drops to −5, the weapon is destroyed. Nonmagical ammunition that hits the Ooze Master is destroyed after dealing damage. The Ooze Master can eat through 2-inch-thick, nonmagical wood or metal in

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

Returned Drifter

Monsters Mythic Odysseys of Theros

approximately 100 gp, based on its composition and craftsmanship. However, selling a Returned mask isn’t a simple matter of cashing it in for coin. Most people on Theros know the tales of the

effectively another sapient being’s face. Convincing a merchant to buy a Returned mask, or dealing with the ramifications of such a sale, might prove to be an adventure in itself. Returned Nature. The

Returned Sentry

Monsters Mythic Odysseys of Theros

. Returned Masks. Adventurers who defeat Returned foes might marvel at their fortune in claiming such rich spoils after a battle. The mask of a Returned is worth approximately 100 gp, based on its

. Convincing a merchant to buy a Returned mask, or dealing with the ramifications of such a sale, might prove to be an adventure in itself. Returned Nature. The Returned are undead. They need water

Returned Kakomantis

Monsters Mythic Odysseys of Theros

. Returned Masks. Adventurers who defeat Returned foes might marvel at their fortune in claiming such rich spoils after a battle. The mask of a Returned is worth approximately 100 gp, based on its

. Convincing a merchant to buy a Returned mask, or dealing with the ramifications of such a sale, might prove to be an adventure in itself. Returned Nature. The Returned are undead. They need water

Astral Elf Warrior

Monsters Spelljammer: Adventures in Space

numerous invaders, including psurlons, mind flayers, and githyanki. When dealing with others, astral elves customarily cover their faces with ornate visors, becoming faceless extensions of their gods

are fashioned from crystals harvested from Wildspace systems and bound together with an organic, plant-based material that hardens like ceramic. The elves sculpt these substances in various

Githyanki Supreme Commander Legacy

Monsters Mordenkainen’s Tome of Foes

in an astral body (as with the astral projection spell), the githyanki can cut the silvery cord that tethers the target to its material body, instead of dealing damage.Parry. The githyanki adds 5 to

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

Tree Blight

Monsters Curse of Strahd

);{"diceNotation":"1d6+6","rollType":"damage","rollAction":"Grasping Root","rollDamageType":"bludgeoning"} bludgeoning damage at the start of each of its turns. The root has AC 15 and can be severed by dealing 6

for sap and is so saturated with blood that it doesn’t catch fire easily. Vicious Carnivore. A tree blight feeds on warm-blooded prey and takes perverse delight in causing carnage. It strikes

Astral Elf Honor Guard

Monsters Spelljammer: Adventures in Space

psurlons, mind flayers, and githyanki. When dealing with others, astral elves customarily cover their faces with ornate visors, becoming faceless extensions of their gods. Their fierce devotion to the

harvested from Wildspace systems and bound together with an organic, plant-based material that hardens like ceramic. The elves sculpt these substances in various configurations to create star moth;star

Sanctum Amulet

Magic Items Bigby Presents: Glory of the Giants

taking damage, you can use your reaction to invoke the item’s rune, causing the pendant to flash with pale light. The creature then instead drops to 1 hit point. Once the rune has been invoked, it can’t be invoked again until the next dawn.

Opal of the Ild Rune

Magic Items Storm King's Thunder

This triangular fire opal measures about three inches on each side and is half an inch thick. The ild (fire) rune shimmers within its core, causing it to be slightly warm to the touch. The opal has

a benefit based on its form: Weapon. The weapon is now an uncommon magic weapon. It deals an extra 1d6 fire damage to any target it hits. Armor. The armor is now a rare magic item that requires attunement. You have resistance to cold damage while wearing the armor.

Duergar Warlord Legacy

Monsters Mordenkainen’s Tome of Foes

damage while enlarged. Call to Attack. Up to three allied duergar within 120 feet of this duergar that can hear it can each use their reaction to make one weapon attack. Enlarge (Recharges after a Short

or Long Rest). For 1 minute, the duergar magically increases in size, along with anything it is wearing or carrying. While enlarged, the duergar is Large, doubles its damage dice on Strength-based

Githyanki Supreme Commander

Monsters Mordenkainen Presents: Monsters of the Multiverse

a critical hit against a target in an astral body (as with the astral projection spell), the githyanki can cut the silvery cord that tethers the target to its material body, instead of dealing damage

targets one ally it can see within 30 feet of it. If the target can see or hear the githyanki, the target can make one melee weapon attack using its reaction, if available, and has advantage on the attack

Orb of the Stein Rune

Magic Items Storm King's Thunder

item, which gains a benefit based on its form: Shield. The shield is now a rare magic item that requires attunement. While you wield it, you have resistance to all damage dealt by ranged weapon

attacks. Boots. The pair of boots is now an uncommon magic item that requires attunement. While you wear the boots, you have advantage on Strength saving throws, and you can use your reaction to avoid being knocked prone.

Astral Elf Star Priest

Monsters Spelljammer: Adventures in Space

visitors. Over the eons, astral elves have clashed with numerous invaders, including psurlons, mind flayers, and githyanki. When dealing with others, astral elves customarily cover their faces with

and Wildspace in ships of their own design. These ships are fashioned from crystals harvested from Wildspace systems and bound together with an organic, plant-based material that hardens like ceramic

Returned Palamnite

Monsters Mythic Odysseys of Theros

who defeat Returned foes might marvel at their fortune in claiming such rich spoils after a battle. The mask of a Returned is worth approximately 100 gp, based on its composition and craftsmanship

a Returned mask, or dealing with the ramifications of such a sale, might prove to be an adventure in itself. Returned Nature. The Returned are undead. They need water and air but not food or sleep

Astral Elf Commander

Monsters Spelljammer: Adventures in Space

, and githyanki. When dealing with others, astral elves customarily cover their faces with ornate visors, becoming faceless extensions of their gods. Their fierce devotion to the pantheon of elven

Wildspace systems and bound together with an organic, plant-based material that hardens like ceramic. The elves sculpt these substances in various configurations to create star moth;star moths (see the

Astral Elf Aristocrat

Monsters Spelljammer: Adventures in Space

eons, astral elves have clashed with numerous invaders, including psurlons, mind flayers, and githyanki. When dealing with others, astral elves customarily cover their faces with ornate visors, becoming

ships of their own design. These ships are fashioned from crystals harvested from Wildspace systems and bound together with an organic, plant-based material that hardens like ceramic. The elves sculpt

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

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

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

count 20, all gnoll;gnolls and hyena;hyenas within the lair are enraged, causing them to have advantage on melee weapon attack rolls and causing attack rolls to have advantage against them. Iron Spike

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

effect of the hex when it does so. It can then ignore the effect of the hex until the end of its turn.Mites are vexing fey creatures that delight in causing minor havoc and playing irritating pranks

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

afflicts the limbs of jiangshi, causing them to hold their arms rigidly and to walk with a stiff gait. This, along with their flight, lead many to call them hopping vampires. By day, jiangshi lurk

Dandylion

Monsters Misplaced Monsters: Volume One

is enriched, restoring withered vegetation in the area to full health and causing all crops in the area to produce twice the normal harvest for the next year. Spellcasting. The dandylion casts one of

reaction must succeed on a DC 15 Wisdom saving throw or have the frightened condition until the end of the dandylion’s next turn. Created by Jones D.-D. Dandylions are herbivorous farmers who

D&D Beyond

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