becomes both diffusing course rules

Rod of Absorption

Magic Items Dungeon Master’s Guide

cast it are wasted. The rod can absorb and store up to 50 levels of energy over the course of its existence. Once the rod absorbs 50 levels of energy, it can’t absorb more. If you are targeted

by a spell that the rod can’t store, the rod has no effect on that spell. When you become attuned to the rod, you know how many levels of energy the rod has absorbed over the course of its

Warm Fungal Clothing

Equipment

Fungal Clothing, you automatically succeed on saving throws against the effects of extreme cold. See chapter 3 of the Dungeon Master's Guide for rules on extreme cold. One pound of fungus is sewn into

Fungal Clothing. This fungus can be eaten as food. Once all the fungus is consumed, this becomes a mundane set of Traveler's Clothes.

Crown of Horns

Magic Items Forgotten Realms: Adventures in Faerûn

, wearing it at all times, and you can't voluntarily end your Attunement to the crown. Cruel. Your alignment becomes Neutral Evil. Doomed. You slowly transform into a monstrous servant of Myrkul over

the course of 365 days. During that time, the transformation is purely cosmetic; these cosmetic changes slowly fade if you end Attunement to the crown before completing the transformation. When the

Coin of Decisionry

Magic Items Acquisitions Incorporated

Coin of Decisionry Starting at rank 2, your coin of decisionry becomes a common magic item. When you flip the coin, it always lands with the Acquisitions Incorporated sigil face down, and a message

the user toward a specific course of action. The creature flipping the coin can detect your manipulation with a successful DC 13 Wisdom (Insight) check. Better Odds When you reach rank 3, your

Calm Emotions Legacy

Spells Basic Rules (2014)

is hostile toward. This indifference ends if the target is attacked or harmed by a spell or if it witnesses any of its friends being harmed. When the spell ends, the creature becomes hostile again, unless the DM rules otherwise.

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

to be made with advantage or disadvantage.Members of the Fraternity of Order find and exploit loopholes in the laws of the multiverse. Law benders are magistrates who skirt the rules of probability

Grinning Cat

Monsters Bigby Presents: Glory of the Giants

prone condition, the cat can make a Bite attack against it as a bonus action. Fade Away. The grinning cat magically becomes invisible for 1 hour or until it attacks, gradually fading away over the

course of its turn. It can choose to leave part of its body visible, such as its tail, its head, or its grinning mouth. Any equipment the cat wears or carries is invisible with it.Grinning cats are

Merrenoloth Legacy

Monsters Mordenkainen’s Tome of Foes

at the end of each of its turns, ending the effect on itself on a success.Lair Actions Any ship a merrenoloth is contracted to captain becomes the creature's lair. When fighting on the ship, the

vessel with powerful magic that creates one or more of the following effects: The ship doesn't sink even if its hull is breached. The ship always stays on course to the destination the merrenoloth

Wildspacer

Backgrounds Spelljammer: Adventures in Space

gravity isn’t present, the following rules apply: Impeded Melee. When making a melee attack with a weapon, a creature that doesn’t have a flying or swimming speed (either naturally or

, flying, or swimming speed in a straight line. The creature continues along this course, moving in a straight line at its speed on each of its turns until something stops it or changes its trajectory.

Boss Delour

Monsters The Book of Many Things

but otherwise uses the wererat stat block, excluding actions that require equipment the target doesn’t have. During any night when there’s a full moon in the sky, the target becomes an NPC

"} poison damage.Delour the wererat is a sly trickster and consummate thief who rules the Moonstalkers alongside his friend Boss Augustus;Augustus. Delour’s honeyed words and calculating mind make

Zombie Clot

Monsters Van Richten’s Guide to Ravenloft

":"Flesh Entomb","rollDamageType":"bludgeoning"} bludgeoning damage, and if the target is a Large or smaller creature, it becomes entombed in dead flesh. A creature entombed in the dead flesh is

their disregard for their own well-being. A throng of zombies will douse a forest fire with their own ashes or march into a dragon’s maw until the monster chokes. In the course of their relentless

Gloamwing

Monsters Guildmasters’ Guide to Ravnica

their orders with some amount of creativity. They pursue their assigned tasks with fearless determination. Gloamwing Mount. If a gloamwing is killed, its specter becomes fixated on destroying those

responsible. If the specter survives, it can create a new gloamwing over the course of a month, during which time the specter is incapacitated. A gloamwing's head is almost ratlike, with prominent teeth

Aboleth Legacy

Monsters Basic Rules (2014)

skin becomes translucent and slimy, the creature can’t regain hit points unless it is underwater, and the disease can be removed only by heal or another disease-curing spell of 6th level or higher

prone. The aboleth can’t use this lair action again until it has used a different one. Water in the aboleth’s lair magically becomes a conduit for the creature’s rage. The aboleth can

Vargouille

Monsters Mordenkainen Presents: Monsters of the Multiverse

Charisma becomes 2, it dies, and its head tears from its body and becomes a new vargouille. Casting remove curse, greater restoration, or a similar spell on the target before the transformation is

’s curse. If the curse is allowed to run its course, an abyssal spirit invades the person’s body, causing a gruesome transformation. Over a period of hours, the victim’s head takes on

Orcus Legacy

Monsters Out of the Abyss

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

effects: Dead beasts periodically animate as undead mockeries of their former selves. Skeletal and zombie versions of local wildlife are commonly seen in the area. The air becomes filled with the

Sloughing Toxin

Equipment

creature’s skin becomes dry and its muscles burn painfully whenever it moves. The first time each turn the creature moves at least 5 feet or makes an attack roll, it takes 1d4 Poison damage. At the

end of each of its turns, the Poisoned creature must repeat the saving throw, ending the effect on success. If any subsequent saving throw fails by 5 or more, the creature can’t attempt the save again until the poison runs its course.

Gem Dragonborn

Species Fizban's Treasury of Dragons

, and topaz—gleam in these dragonborn’s scaled skin and course through their veins. Theirs are the wonders of the mind, the force of will, the brilliant light of insight, and the resounding

the game’s fantastical races. If you select one of the dragonborn races in this chapter, follow these additional rules during character creation. Ability Score Increases When determining your

Beholder Legacy

Monsters Monster Manual (2014)

becomes a pile of fine gray dust. If the target is a Large or smaller nonmagical object or creation of magical force, it is disintegrated without a saving throw. If the target is a Huge or larger

beholder becomes slimy; that area is difficult terrain until initiative count 20 on the next round. Walls within 120 feet of the beholder sprout grasping appendages until initiative count 20 on the round

Nightveil Specter

Monsters Guildmasters’ Guide to Ravnica

some amount of creativity. They pursue their assigned tasks with fearless determination. Gloamwing Mount. If a gloamwing is killed, its specter becomes fixated on destroying those responsible. If the

specter survives, it can create a new gloamwing over the course of a month, during which time the specter is incapacitated. A gloamwing’s head is almost ratlike, with prominent teeth, and its

Death Tyrant Legacy

Monsters Monster Manual (2014)

and whether the cone is active. Any creature in that area can’t regain hit points. Any humanoid that dies there becomes a zombie under the tyrant’s command. The dead humanoid retains its

creature to 0 hit points, its body becomes a pile of fine gray dust. If the target is a Large or smaller nonmagical object or creation of magical force, it is disintegrated without a saving throw. If

Daemogoth Titan

Monsters Strixhaven: A Curriculum of Chaos

creature it touches throughout the ritual. The creature becomes bound by the pact until it dies, the titan dies, or the pact is broken by a wish spell. The titan chooses one spell from the

the titan doesn’t heal.Daemogoth titans are towering monsters that blight the land around them. A daemogoth grows in power over the course of decades spent feeding on sorrow and draining life from

Reduced-threat Aboleth

Monsters Tales from the Yawning Portal

by any magic that cures disease. After 1 minute, the diseased creature's skin becomes translucent and slimy, the creature can't regain hit points unless it is underwater, and the disease can be removed

becomes a conduit for the creature’s rage. The aboleth can target any number of creatures it can see in such water within 90 feet of it. A target must succeed on a DC 14 Wisdom saving throw or take

Hexblood

Species Van Richten’s Guide to Ravenloft

might come to accept over the course of centuries. Once a hexblood undergoes this irreversible ritual, they emerge as a hag NPC no longer under the control of the hexblood’s player, unless the DM rules otherwise.

Baphomet Legacy

Monsters Out of the Abyss

, the Horned King and the Prince of Beasts. He rules over minotaur;minotaurs and others with savage hearts. He is worshiped by those who want to break the confines of civility and unleash their bestial

be affected by this regional effect again for 24 hours. If Baphomet dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Madness of Baphomet If a

Orcus

Monsters Mordenkainen Presents: Monsters of the Multiverse

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

Undead mockeries of their former selves. Skeletal and zombie versions of local wildlife are commonly seen in the area. If Orcus dies, these effects fade over the course of 1d10;{"diceNotation":"1d10

Adult Time Dragon

Monsters Planescape: Adventures in the Multiverse

its Time Breath. Until the weakened effect ends on the target, its speed becomes 0, and its speed can’t increase. Time Slip. The dragon halves the damage it takes from an attack made against it

(your choice). Timelessness. Beasts, Humanoids, and Plants within 3 miles of the lair age only 1 year for every 10 years that pass. If the dragon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days.

Lorthuun

Monsters Out of the Abyss

ties), the beholder can take one lair action to cause one of the following effects: A 50-foot square area of ground within 120 feet of the beholder becomes slimy; that area is difficult terrain until

before, harmless slime might coat a statue, and so on. These effects apply only to natural surfaces and to nonmagical objects that aren't on anyone's person. If the beholder dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days.

Adult Lunar Dragon

Monsters Spelljammer: Adventures in Space

of bludgeoning damage. If the dragon dies, the moaning stops, the moon devils dissipate, and the black frost disappears over the course of 1d10;{"diceNotation":"1d10","rollType":"roll","rollAction

":"Regional Effect Fade Time"} days, allowing plant life in the area to recover.ColdPhase (3/Day). The dragon becomes partially incorporeal for as long as it maintains concentration on the effect (as if

Ancient Lunar Dragon

Monsters Spelljammer: Adventures in Space

cold damage instead of bludgeoning damage. If the dragon dies, the moaning stops, the moon devils dissipate, and the black frost disappears over the course of 1d10;{"diceNotation":"1d10","rollType

":"roll","rollAction":"Regional Effect Fade Time"} days, allowing plant life in the area to recover.ColdPhase (3/Day). The dragon becomes partially incorporeal for as long as it maintains concentration

Ancient Dragon Turtle

Monsters Fizban's Treasury of Dragons

table to help select spells for a spellcasting dragon. (Though the Monster Manual doesn’t explicitly include dragon turtles in the variant rules for making a dragon a spellcaster, you can apply

those rules to these aquatic dragons.) Dragon Turtle Personality Traits d8;{"diceNotation":"1d8","rollType":"roll","rollAction":"Trait"} Trait 1 I speak slowly and deliberately

Demogorgon

Monsters Mordenkainen Presents: Monsters of the Multiverse

normally docile. Within that area, any ability check involving Animal Handling has disadvantage. Venomous Beasts. The area within 6 miles of the lair becomes overpopulated with poisonous snake

;poisonous snakes and other venomous Beasts. If Demogorgon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days. Cultists of Demogorgon

Riverine

Monsters Journeys through the Radiant Citadel

. The riverine conjures swampy ground that briefly covers the ground in a 20-foot square the riverine can see within 120 feet of itself. That area becomes difficult terrain until initiative count

, the flora and fauna return to normal levels, and its river dries out over the course of 1d10;{"diceNotation":"1d10","rollType":"roll","rollAction":"Regional Effect Fade Days"} days. All other effects

Demilich (Variant) Legacy

Monsters Monster Manual (2014)

curse on a success.The transformation into a demilich isn’t a bitter end for all liches that experience it. Made as a conscious choice, the path of the demilich becomes the next step in a dark

aren’t used to leave or enter the tomb’s area. If the demilich is destroyed, these effects fade over the course of 10 days.Necrotic, Poison, Psychic; Bludgeoning, Piercing, and Slashing from Nonmagical AttacksBludgeoning, Piercing, and Slashing from Magic Weapons

Hobgoblin Legacy

Species Volo's Guide to Monsters

death becomes a hero eternal. Young hobgoblins start soldiering when they can walk and heed the mustering call as soon as they can wield their weapons capably. Every legion in the hobgoblins&rsquo

rank or banner status. Of course, Maglubiyet’s call to conquest is always answered. Suffer nor Give Insult. As befits their warlike nature, hobgoblins believe that any insult demands a response

Zuggtmoy Legacy

Monsters Out of the Abyss

within 6 miles of the lair, even where they would normally find no purchase. Plant life within 1 mile of the lair becomes infested with parasitic fungi, slowly mutating as it is overwhelmed. If a

that succeeds on this saving throw can’t be affected by this regional effect again for 24 hours. If Zuggtmoy dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType

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