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Ioun Stone

Magic Items Dungeon Master’s Guide

Stones orbiting your head at the same time. Each Ioun Stone orbiting your head is considered to be an object you are wearing. The orbiting stone avoids contact with other creatures and objects, adjusting

;Absorption (Very Rare). While this pale lavender ellipsoid orbits your head, you can take a Reaction to cancel a spell of level 4 or lower cast by a creature you can see. A canceled spell has no effect

Sammaster (Lich Form)

Monsters Forgotten Realms: Adventures in Faerûn

to dust. After 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Soul Gem"} days, he appears in the space of his soul gem, using the Sammaster (Dracolich Form) stat block. The gem is a

. Sammaster’s travels brought him into contact with people who revered dragons as icons of primeval might. Masquerading his desire to dominate dragonkind as devotion, Sammaster established himself

Sammaster (Dracolich Form)

Monsters Forgotten Realms: Adventures in Faerûn

, he appears in an unoccupied space within 5 feet of his soul gem (so long as the gem still exists), using the Sammaster (Lich Form) stat block. The gem is a Tiny object that has AC 20; HP 50; and

megalomaniacal. Sammaster’s travels brought him into contact with people who revered dragons as icons of primeval might. Masquerading his desire to dominate dragonkind as devotion, Sammaster

Warrior

Monsters Dragon of Icespire Peak

Martial Role. The warrior has one of the following traits of your choice: Attacker. The warrior gains a +2 bonus to attack rolls. Defender. The warrior gains the Protection reaction below.Longsword

it whose target isn’t the warrior. The warrior must be able to see the attacker.A sidekick is proficient with any armor, weapons, and tools included in its stat block. In addition, warriors are proficient with simple and martial weapons, shields, and all armor.

Swarm of Rot Grubs

Monsters Mordenkainen Presents: Monsters of the Multiverse

poison can also stop them before they kill their host. Single Rot Grub Rot grubs pose a threat both singly and as a swarm. A single rot grub has no stat block. Any creature that comes into contact

Grung

Monsters Mordenkainen Presents: Monsters of the Multiverse

Amphibious. The grung can breathe air and water. Poisonous Skin. Any creature that grapples the grung or otherwise comes into direct contact with the grung’s skin must succeed on a DC 12

Constitution saving throw or become poisoned for 1 minute. A poisoned creature no longer in direct contact with the grung can repeat the saving throw at the end of each of its turns, ending the effect on

Thri-kreen Hunter

Monsters Spelljammer: Adventures in Space

themselves. The Thri-kreen language doesn’t employ words in the usual sense. To demonstrate emotion and reaction, thri-kreen clack their mandibles and wave their antennae, indicating to other

-kreen stat block appears in the Monster Manual. This section provides a few more options.Chameleon Carapace. The thri-kreen changes the color of its carapace to match the color and texture of its

Thri-kreen Mystic

Monsters Spelljammer: Adventures in Space

revitalize themselves. The Thri-kreen language doesn’t employ words in the usual sense. To demonstrate emotion and reaction, thri-kreen clack their mandibles and wave their antennae

generic thri-kreen stat block appears in the Monster Manual. This section provides a few more options.Chameleon Carapace. The thri-kreen changes the color of its carapace to match the color and

Thri-kreen Gladiator

Monsters Spelljammer: Adventures in Space

demonstrate emotion and reaction, thri-kreen clack their mandibles and wave their antennae, indicating to other thri-kreen what they are thinking and feeling. Other creatures find this method of

of bone and obsidian blades, while chatkchas are usually made of sharpened bone or crystal. A generic thri-kreen stat block appears in the Monster Manual. This section provides a few more options.Leap. The thri-kreen leaps up to 20 feet in any direction, provided its speed isn’t 0.

Solar Bastion Knight

Monsters The Book of Many Things

knight investigates, but every knight has the magical means to contact the Solar Bastion’s headquarters and request help. Even so, it’s rare for knights to work together outside their

headquarters. The Solar Bastion knight presented here is an example member of the organization. Customize this stat block to suit individual knights and differentiate them from each other. For example

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

the mostly forgotten adventurer Osval Dragons of Eldraine The dragons of Eldraine, are much like those of other D&D worlds. You can use any dragon stat block for a dragon of Eldraine. On

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

, a creature in the wall’s space must make a DC 15 Dexterity saving throw once each round it’s in contact with the wall, taking 18 (4d8);{"diceNotation":"4d8","rollType":"damage

labyrinthine passages within 1 mile of the dragon’s lair. The thickets act as 10-foot-high, 10-foot-thick walls that block line of sight. Creatures can move through the thickets, with every 1 foot

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

;{"diceNotation":"1d4", "rollType":"roll", "rollAction":"Ice Wolves"} wolves made of ice (use the winter wolf stat block in the Monster Manual to represent them, but they are Elementals instead of

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

. Furthermore, a creature in the wall’s space must make a DC 15 Dexterity saving throw once each round it’s in contact with the wall, taking 18 (4d8);{"diceNotation":"4d8","rollType":"damage

form labyrinthine passages within 1 mile of the dragon’s lair. The thickets act as 10-foot-high, 10-foot-thick walls that block line of sight. Creatures can move through the thickets, with every

Euryale

Monsters The Book of Many Things

statistics are the same in each form except where noted in this stat block. Any equipment she is wearing or carrying isn’t transformed. Euryale reverts to her medusa form if she dies. Petrifying

lasts 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.

Avarice

Monsters Icewind Dale: Rime of the Frostmaiden

serve her as bodyguards and scouts. Avarice uses her Rary's telepathic bond spell to stay in telepathic contact with her gargoyles before sending them off on any mission. Avarice also has the support of

the Knights of the Black Sword, if she needs to call on their talents. Familiar. Avarice’s familiar throughout the adventure is a squawking raven named Skelm. It uses the raven stat block in

Clockwork Bronze Scout

Monsters Mordenkainen Presents: Monsters of the Multiverse

":"damage", "rollAction":"Bite", "rollDamageType":"lightning"} lightning damage. Lightning Flare (Recharges after a Short or Long Rest). Each creature in contact with the ground within 15 feet of the

malfunction to its stat block. You can select randomly or choose a pair of modifications that fit the temperament of the clockwork’s builder. Clockwork Enhancements d10;{"diceNotation

Claugiyliamatar

Monsters Storm King's Thunder

wall, it must spend 4 feet of movement. Furthermore, a creature in the wall’s space must make a DC 15 Dexterity saving throw once each round it’s in contact with the wall, taking 18 (4d8

or more of the following effects: Thickets form labyrinthine passages within 1 mile of the dragon’s lair. The thickets act as 10-foot-high, 10-foot-thick walls that block line of sight

Izzet Engineer

Backgrounds Guildmasters’ Guide to Ravnica

and twisted remains of a failed experiment, a hammer, a block and tackle, a set of common clothes, and a belt pouch containing 5 gp (Azorius 1-zino coins) Feature: Urban Infrastructure The popular

. Izzet Contacts d8 Contact 1 An older relative is a member of the guild’s board of directors. 2 I know a sprite who carries important messages among the guild’s

Drow Matron Mother

Monsters Mordenkainen Presents: Monsters of the Multiverse

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. Demon Staff. The drow makes one Demon Staff attack. Cast a

;Mothers of Rebellion Some matron mothers renounce Lolth and join the war against their former goddess. Such drow could be of any alignment, and they lose the following abilities in the stat block

Geryon (Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

innumerable times. Currently, Levistus claims lordship over Stygia, but he has been trapped in an enormous block of ice at the command of Asmodeus. In response, Geryon is marshaling his followers, hoping to

(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

Claugiyliamatar (possessed)

Monsters Divine Contention

contact with the wall, taking 18 (4d8) piercing damage on a failed save, or half as much damage on a successful one. Each 10-foot section of wall has AC 5, 15 hit points, vulnerability to fire damage

passages within 1 mile of the dragon’s lair. The thickets act as 10-foot-high, 10-foot-thick walls that block line of sight. Creatures can move through the thickets, with every 1 foot a creature moves

Auril (First Form)

Monsters Icewind Dale: Rime of the Frostmaiden

weak and vulnerable. In her self-inflicted weakened state, Auril is inclined to be cautious and avoid contact with other creatures that can harm her. Auril’s worshipers know better than to

loses all the traits and actions of the old form and gains those of the new form. A stat block is given for each of Auril’s three forms. These descriptions do not reflect Auril at full power, but

Geryon

Monsters Mordenkainen Presents: Monsters of the Multiverse

times. Currently, Levistus claims lordship over Stygia, but he has been trapped in an enormous block of ice at the command of Asmodeus. In response, Geryon is marshaling his followers, hoping to use this

–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

Auril (Third Form)

Monsters Icewind Dale: Rime of the Frostmaiden

to be cautious and avoid contact with other creatures that can harm her. Auril’s worshipers know better than to disturb her self-imposed isolation. Terrible blizzards have cut off Icewind Dale

. A stat block is given for each of Auril’s three forms. These descriptions do not reflect Auril at full power, but rather Auril as she is encountered in this adventure.Lair Actions Auril

Powered Armor

Equipment

any environment and withstand extreme temperatures, and you’re unaffected by harmful gases, as well as contact and inhaled poisons. Force Field. When you would take damage, you can use your

reaction to expend 1 of the armor’s charges to deploy a defensive force field. Roll 3d10 and reduce the damage taken by the total rolled. Propulsion. As a bonus action, you can expend 1 of the

Auril (Second Form)

Monsters Icewind Dale: Rime of the Frostmaiden

night while also granting spells to her devoted followers leaves Auril weak and vulnerable. In her self-inflicted weakened state, Auril is inclined to be cautious and avoid contact with other creatures

form survives. When she transitions from one form to another, she loses all the traits and actions of the old form and gains those of the new form. A stat block is given for each of Auril’s three

Limited Usage

Compendium - Sources->Dungeons & Dragons->D&D Beyond Basic Rules

Limited Usage Some parts of a stat block have restrictions on the number of times they can be used. Here are the most common ways that usage is limited: X/Day. This notation means the stat block part

can be used a certain number of times (represented by X) and that a monster must finish a Long Rest to regain expended uses. For example, a Reaction that includes “1/Day” means the Reaction can be

5. Tomb Stone and Wet Lime

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a3

each hour of contact with it reduces the armor’s AC by 1, making the armor useless if its AC becomes 10. The lime can’t be removed from the stone, since it isn’t a coating. Moving the Block. After the

, exposing the seams of one of the large stone blocks from which this structure was built. The tightly fitted stone seals off a tomb. The block is made of limestone, and the entire face of the plug is

Casting Multiple Spells

Compendium - Sources->Dungeons & Dragons->Flee, Mortals! Rule Primer

Casting Multiple Spells Unlike player characters, if a creature’s stat block allows them to cast a spell as a bonus action, they can still cast another spell of 1st level or higher as an action on

spell attacks on a turn, even though each attack is a spell of its own. Spell Attacks as Opportunity Attacks When an enemy’s movement provokes an opportunity attack from a creature whose stat block

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

Reactions

Compendium - Sources->Dungeons & Dragons->Monster Manual (2014)

Reactions If a monster can do something special with its reaction, that information is contained here. If a creature has no special reaction, this section is absent. GRAPPLE RULES FOR MONSTERS Many

against the escape DC in the monster’s stat block. If no escape DC is given, assume the DC is 10 + the monster’s Strength (Athletics) modifier.

Steel Defender (p. 61)

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

Steel Defender (p. 61) In the first paragraph, the third sentence has been changed to “See this creature’s game statistics in the Steel Defender stat block, which uses your proficiency bonus (PB) in

reaction on its own, but the only action it takes on its turn is the Dodge action, unless you take a bonus action on your turn to command it to take another action. That action can be one in its stat

Casting a Spell

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

block of information, including the spell’s name, level, school of magic, casting time, range, components, and duration. The rest of a spell entry describes the spell’s effect. Casting Time Most

spells require a single action to cast, but some spells require a bonus action, a reaction, or much more time to cast. Bonus Action A spell cast with a bonus action is especially swift. You must use a

What actions can monsters use to make Opportunity Attack? Are Multiattack and breath weapon actions allowed?

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

its stat block. A monster also has the option to make an Unarmed Strike as an Opportunity Attack, following the normal rules of an Unarmed Strike. An action, such as a breath weapon effect, that doesn’t

include a melee attack roll isn’t eligible to be chosen for an Opportunity Attack. Additionally, a monster can’t use its Multiattack when making an Opportunity Attack, because the use of Multiattack specifically predicates on taking the Attack action, and an Opportunity Attack takes a Reaction.

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