boulder before defusing creating reaction

Scion of Skoraeus

Monsters Bigby Presents: Glory of the Giants

. Alternatively, the scion makes two Runic Boulder attacks. Crystal Club. Melee Weapon Attack: +16;{"diceNotation":"1d20+16", "rollType":"to hit", "rollAction":"Crystal Club"} to hit, reach 30 ft., one target

, reach 20 ft., one target. Hit: 31 (4d10 + 9);{"diceNotation":"4d10+9", "rollType":"damage", "rollAction":"Slam", "rollDamageType":"force"} force damage. Runic Boulder. Ranged Weapon Attack: +16

Scion of Grolantor

Monsters Bigby Presents: Glory of the Giants

. Siege Monster. The scion deals double damage to objects and structures.Multiattack. The scion makes one Great Tree Club attack and two Slam attacks, or it makes three Boulder attacks. Great Tree

target. Hit: 26 (4d8 + 8);{"diceNotation":"4d8+8", "rollType":"damage", "rollAction":"Slam", "rollDamageType":"force"} force damage. Boulder. Ranged Weapon Attack: +15;{"diceNotation":"1d20+15

Ogrémoch

Monsters Princes of the Apocalypse

":"Slam"} to hit, reach 15 ft., one target. Hit: 30 (4d10 + 8);{"diceNotation":"4d10+8","rollType":"damage","rollAction":"Slam","rollDamageType":"bludgeoning"} bludgeoning damage. Boulder. Ranged Weapon

Attack: +6;{"diceNotation":"1d20+6","rollType":"to hit","rollAction":"Boulder"} to hit, range 500 ft., one target. Hit: 46 (7d10 + 8);{"diceNotation":"7d10+8","rollType":"damage","rollAction":"Boulder

Graz'zt

Monsters Mordenkainen Presents: Monsters of the Multiverse

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

have disadvantage on Dexterity (Stealth) checks made to hide. Regional Effects The region containing Graz’zt’s lair is warped by his magic, creating one or more of the following effects

Cradle of the Storm Scion

Monsters Bigby Presents: Glory of the Giants

from harm it might cause. If the scion is threatened, it unleashes elemental might like few other forces in the multiverse can muster: blades of lightning, boulder-sized hailstones, and a storm of

churning elements. Regional Effects The region surrounding a scion of Stronmaus is altered by the giant’s magic, creating one or more of the following effects: Elemental Portals. Two-way portals

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

jiangshi’s choice). It reverts to its true form if it dies.When a soul becomes trapped within its corpse, its bitterness can reanimate its body, creating a jiangshi. These vengeful dead stalk

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

Scion of Stronmaus

Monsters Bigby Presents: Glory of the Giants

elemental might like few other forces in the multiverse can muster: blades of lightning, boulder-sized hailstones, and a storm of churning elements. Regional Effects The region surrounding a scion

of Stronmaus is altered by the giant’s magic, creating one or more of the following effects: Elemental Portals. Two-way portals to the Elemental Plane of Air (if the scion is in the sky) or the

Adult Deep Dragon Legacy

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

Adult Time Dragon

Monsters Planescape: Adventures in the Multiverse

action on its turn, not both. The creature also can’t take a reaction or a bonus action. Timeline Divergence. The dragon chooses a space it can fit into within its lair. The dragon exists

the dragon’s magic, creating one or more of the following effects: Time Dilations. Time fluctuates within 3 miles of the lair. Short rests taken within this area take 10 minutes or 2 hours

Demogorgon

Monsters Mordenkainen Presents: Monsters of the Multiverse

its action, reaction, and movement. Spellcasting. Demogorgon casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 23

’s lair is warped by his magic, creating one or more of the following effects: Beguiling Realm. Within 6 miles of the lair, all Charisma (Persuasion) and Charisma (Performance) checks have

Ancient Deep Dragon Legacy

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

Ancient Time Dragon

Monsters Planescape: Adventures in the Multiverse

affected creature can move or take an action on its turn, not both. The creature also can’t take a reaction or a bonus action. Timeline Divergence. The dragon chooses a space it can fit into

dragon’s lair is altered by the dragon’s magic, creating one or more of the following effects: Time Dilations. Time fluctuates within 3 miles of the lair. Short rests taken within this

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

herself. Regional Effects The region containing Zuggtmoy’s lair is warped by her magic, creating one or more of the following effects: Corrupted Nature. Within 6 miles of the lair, all Wisdom

Yeenoghu Legacy

Monsters Out of the Abyss

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

magic, creating one or more of the following effects: Within 1 mile of the lair, large iron spikes grow out of the ground and stone surfaces. Yeenoghu impales the bodies of the slain on these spikes

Baphomet

Monsters Mordenkainen Presents: Monsters of the Multiverse

for 1 minute or until Baphomet takes this lair action again. Regional Effects The region containing Baphomet’s lair is warped by his magic, creating one or more of the following effects

after a Short or Long Rest). As an action, this creature allows each ally within 30 feet of it that has the Unerring Tracker trait to make one weapon attack as a reaction against the target of that

Geryon (Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

Effects The region containing Geryon’s lair is warped by his magic, creating one or more of the following effects: Chilling Wind. Freezing strong winds howl around the area within 1 mile of

(Recharge 5–6). As a reaction when this creature takes damage, it can roll a d10 and subtract the number rolled from the damage. Cold, Fire, PoisonBludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Silvered

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

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

Graz'zt Legacy

Monsters Out of the Abyss

reaction to move up to its speed as Graz’zt directs. Sow Discord. Graz’zt casts crown of madness or dissonant whispers. Teleport. Graz’zt uses his Teleport action.The appearance of the

(Stealth) checks made to hide. Regional Effects The region containing Graz’zt’s lair is warped by his magic, creating one or more of the following effects: Flat surfaces within 1 mile of

Geryon

Monsters Mordenkainen Presents: Monsters of the Multiverse

The region containing Geryon’s lair is warped by his magic, creating one or more of the following effects: Chilling Wind. Freezing strong winds howl around the area within 1 mile of the lair

–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

Hierophant Medusa

Monsters The Book of Many Things

altered by the medusa’s presence, creating one or more of the following effects: Faces in Stone. Stone within 3 miles of the lair takes on subtle shapes that suggest people, animals, and other

until the creature is freed by the Greater Restoration spell or other magic. A creature can use its reaction, if available, to shut its eyes to avoid the saving throw. If the creature does so, it has the blinded condition until the end of its next turn.

Hide in Plain Sight

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

Hide in Plain Sight Starting at 10th level, you can spend 1 minute creating camouflage for yourself. You must have access to fresh mud, dirt, plants, soot, and other naturally occurring materials

as you are. You gain a +10 bonus to Dexterity (Stealth) checks as long as you remain there without moving or taking actions. Once you move or take an action or a reaction, you must camouflage yourself again to gain this benefit.

Hide in Plain Sight

Compendium - Sources->Dungeons & Dragons->Basic Rules (2014)

Hide in Plain Sight Starting at 10th level, you can spend 1 minute creating camouflage for yourself. You must have access to fresh mud, dirt, plants, soot, and other naturally occurring materials

as you are. You gain a +10 bonus to Dexterity (Stealth) checks as long as you remain there without moving or taking actions. Once you move or take an action or a reaction, you must camouflage yourself again to gain this benefit.

Developing a Darklord

Compendium - Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft

when creating your Darklord’s backstory: What was the first depraved act the Darklord chose to commit, and how did their ideal encourage them down this path? Was the Darklord rewarded or celebrated for

their evil? Did that reaction encourage greater crimes? Were these rewards earned or justified? Did the Darklord repeat or escalate their wickedness to obtain something they selfishly desired? Did the

4. Mosaic Chamber

Compendium - Sources->Dungeons & Dragons->Tyranny of Dragons

collected and kept separate from the rest of the creature’s tiles. A tile creature gains the following reaction. Narrow Dodge. When targeted by a melee attack, the tile creature can take a reaction

sliding circular plate that reveals the bone boulder trap in that area. The plate is only apparent with a successful DC 24 Wisdom (Perception) check or a DC 18 Intelligence (Investigation) check. Door

4. Mosaic Chamber

Compendium - Sources->Dungeons & Dragons->Rise of Tiamat

tiles are collected and kept separate from the rest of the creature’s tiles. A tile creature gains the following reaction. Narrow Dodge. When targeted by a melee attack, the tile creature can take a

reaction to turn its narrowest aspect toward the attacker. The attacker has disadvantage on the attack roll. Mosaic Sun The sun is depicted in the mosaic near the hallway that is area 6 — and is

Rogue

Compendium - Sources->Dungeons & Dragons->Sage Advice Compendium

the fighter’s turn, and if the attack qualifies, it can use Sneak Attack. Both of those options rely on the use of your reaction, so you could do only one of them in a round. Because you get only one

reaction per round, you’re unlikely to use Sneak Attack more than twice in a round: once with your action and once with your reaction. For Sneak Attack, what if another enemy of your target was 10

Fireside Contests

Compendium - Sources->Dungeons & Dragons->Giants of the Star Forge

awards the party a potion of fire giant strength. Cloud Giant’s Grace Each competitor must carry a 200-pound boulder across a 150-foot-wide lava field. If the boulder touches the ground, the

competitor is disqualified. The first competitor to reach the other end of the lava field without dropping the boulder wins the contest. The lava field is a smooth tract of hardened lava that still smolders

Riders on the Storm

Compendium - Sources->Dungeons & Dragons->Acquisitions Incorporated

pockets, creating a maze of sorts. A successful DC 12 Intelligence (Nature) or Wisdom (Survival) check confirms that the storm is not natural. It might have been manipulated by a powerful spell, an

a path out of this storm, a rock of ice the size of a giant’s boulder misses the balloon by a few feet! Lookout. Have the lookout attempt a DC 14 Wisdom (Perception) check to spot areas where the

Limbo

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)

slaadi live here and swim amid this chaos, creating nothing, whereas githzerai monks build entire monasteries with their minds. Optional Rule: Power of the Mind As an action, a creature on Limbo can make

Medium, and DC 25 for Large or larger. On a success, the creature changes the object into another nonliving form of the same size, such as turning a boulder into a ball of fire. Finally, a creature can use

Chapter 9: Dungeon Master's Workshop

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)

. You can let your imagination run wild. This chapter contains optional rules that you can use to customize your campaign, as well as guidelines on creating your own material, such as monsters and

rule’s source, a rule serves you, not the other way around. Beware of adding anything to your game that allows a character to concentrate on more than one effect at a time, use more than one reaction or

Homunculus Servant

Compendium - Sources->Dungeons & Dragons->Wayfinder's Guide to Eberron

Homunculus Servant Prerequisite: 6th-level artificer Item: A gem worth at least 100 gp or a dragonshard You learn intricate methods for magically creating a special homunculus that serves you. The

stat block. In combat, the homunculus shares your initiative count, but it takes its turn immediately after yours. It can move and use its reaction on its own, but the only action it takes on its turn

Homunculus Servant

Compendium - Sources->Dungeons & Dragons->Eberron: Rising from the Last War

Homunculus Servant Item: A gem or crystal worth at least 100 gp You learn intricate methods for magically creating a special homunculus that serves you. The item you infuse serves as the creature’s

bonus (PB) in several places. In combat, the homunculus shares your initiative count, but it takes its turn immediately after yours. It can move and use its reaction on its own, but the only action it

Yeenoghu's Lair

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

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 gnolls and 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. Regional Effects The region containing Yeenoghu’s lair is warped by his magic, creating one or more

Drow of Xen'drik

Compendium - Sources->Dungeons & Dragons->Eberron: Rising from the Last War

into the depths of the earth when the giant civilization fell. They wield sophisticated magic in their unceasing battles against the daelkyr and the other aberrations of the underworld. When creating

? You might quickly recognize that most bear little resemblance to the terrors described in your people’s legends, or you might have an almost instinctive reaction of distrust. You might have overcome

D&D Beyond

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