becomes being diffusing change round

Ochre Jelly

Monsters Monster Manual

", "rollType":"damage", "rollAction":"Pseudopod", "rollDamageType":"Acid"} Acid damage.Split. Trigger: While the jelly is Large or Medium and has 10+ Hit Points, it becomes Bloodied or is subjected to

Lightning or Slashing damage. Response: The jelly splits into two new Ochre Jellies. Each new jelly is one size smaller than the original jelly and acts on its Initiative. The original jelly’s Hit Points are divided evenly between the new jellies (round down).Lightning, SlashingAcid

Black Pudding

Monsters Monster Manual

. Trigger: While the pudding is Large or Medium and has 10+ Hit Points, it becomes Bloodied or is subjected to Lightning or Slashing damage. Response: The pudding splits into two new Black Puddings. Each new

pudding is one size smaller than the original pudding and acts on its Initiative. The original pudding’s Hit Points are divided evenly between the new puddings (round down).Acid, Cold, Lightning, Slashing

Pipes of the Sewers

Magic Items Dungeon Master’s Guide

24 hours. On a failed save, the swarm is swayed by the pipes’ music and becomes Friendly to you and your allies for as long as you continue to play the pipes each round as a Magic action. A

Seeming

Spells Player’s Handbook

. You can give the same appearance or different ones to the targets. The spell can change the appearance of the targets’ bodies and equipment. You can make each creature seem 1 foot shorter or

hat. A creature that takes the Study action to examine a target can make an Intelligence (Investigation) check against your spell save DC. If it succeeds, it becomes aware that the target is disguised.

Wish

Spells Player’s Handbook

a reroll of any die roll made within the last round (including your last turn). Reality reshapes itself to accommodate the new result. For example, a Wish spell could undo an ally’s failed

cast a spell until you finish a Long Rest, you take 1d10 Necrotic damage per level of that spell. This damage can’t be reduced or prevented in any way. In addition, your Strength score becomes 3

Werewyvern

Monsters Forgotten Realms: Adventures in Faerûn

following effect. Constitution Saving Throw: DC 16. Failure: The target is cursed. If the cursed target drops to 0 Hit Points, it instead becomes a Werewyvern under the DM’s control and has 20

Hit Points. Success: The target is immune to this werewyvern’s curse for 24 hours.Among the rarest of were-creatures, werewyverns change from their humanoid forms into lean wyverns or into

Feather Token (Feather Fall)

Magic Items Wayfinder's Guide to Eberron

This small metal disk is inscribed with the image of a feather. When you fall at least 20 feet while the token is on your person, you descend 60 feet per round and take no damage from falling. The token’s magic is expended after you land, whereupon the disk becomes nonmagical.

Storm of Vengeance Legacy

Spells Basic Rules (2014)

. Each creature under the cloud takes 2d6 bludgeoning damage. Round 5–10. Gusts and freezing rain assail the area under the cloud. The area becomes difficult terrain and is heavily obscured. Each

(no more than 5,000 feet beneath the cloud) when it appears must make a Constitution saving throw. On a failed save, a creature takes 2d6 thunder damage and becomes deafened for 5 minutes. Each

Giant Insect Legacy

Spells Basic Rules (2014)

spider becomes a giant spider, a wasp becomes a giant wasp, and a scorpion becomes a giant scorpion. Each creature obeys your verbal commands, and in combat, they act on your turn each round. The GM has

You transform up to ten centipedes, three spiders, five wasps, or one scorpion within range into giant versions of their natural forms for the duration. A centipede becomes a giant centipede, a

Quandrix Professor of Substance

Monsters Strixhaven: A Curriculum of Chaos

properties of growth. Their magic alters and replaces the equations that describe the natural world, including creatures, space, and substance. Through these manipulations, the professors change their size

merely intellectual concepts, but that they exist physically in all things. Professors of substance teach their students to wield magic practically, creating tangible change in the world around them

Beholder Legacy

Monsters Monster Manual (2014)

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

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

Swarmkeeper

Classes Tasha’s Cauldron of Everything

Feeling a deep connection to the environment around them, some rangers reach out through their magical connection to the world and bond with a swarm of nature spirits. The swarm becomes a potent

into the swarm, instead of a cloud of mist, or the arcane eye spell could create an extension of your swarm that spies for you. Such descriptions don’t change the effects of spells, but they are

Seeming Legacy

Spells Basic Rules (2014)

This spell allows you to change the appearance of any number of creatures that you can see within range. You give each target you choose a new, illusory appearance. An unwilling target can make a

foot shorter or taller and appear thin, fat, or in between. You can't change a target's body type, so you must choose a form that has the same basic arrangement of limbs. Otherwise, the extent of the

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

30 feet until initiative count 20 on the next round. The air within 60 feet of the ship is filled with howling wind. Until initiative count 20 on the next round, that area is difficult terrain, and

Trapper

Monsters Mordenkainen Presents: Monsters of the Multiverse

change the color and texture of its tough, outward-facing side to help it blend in with its surroundings, while its soft, inward-facing side clings to the floor, wall, or ceiling in its hunting

any surface made of stone, earth, or wood, masking its presence to any but the most rigorous scrutiny. It can’t change its texture to that of a grassy or snow-covered surface, but it is just

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

initiative count 20 on the next round. Walls within 120 feet of the beholder sprout grasping appendages until initiative count 20 on the round after next. Each creature of the beholder's choice that

Spring Eladrin

Monsters Mordenkainen Presents: Monsters of the Multiverse

Joyful Presence. Any non-eladrin creature that starts its turn within 60 feet of the eladrin must make a DC 16 Wisdom saving throw. On a failed save, the creature becomes charmed by the eladrin for 1

minute. On a successful save, the creature becomes immune to any eladrin’s Joyful Presence for 24 hours. Whenever the eladrin deals damage to the charmed creature, the charmed creature can

Seeker Dart

Magic Items Princes of the Apocalypse

ground, its magic spent and wasted. Otherwise, elemental winds guide the dart instantly through the air to the target. The dart can pass though openings as narrow as 1 inch wide and can change

direction to fly around corners. When the dart reaches its target, the target must succeed on a DC 16 Dexterity saving throw or take 1d4 piercing damage and 3d4 lightning damage. The dart’s magic is then spent, and it becomes an ordinary dart.

Ancient Gold Dragon Legacy

Monsters Basic Rules (2014)

checks, and Strength saving throws for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Change Shape. The dragon magically

in a row: The dragon glimpses the future, so it has advantage on attack rolls, ability checks, and saving throws until initiative count 20 on the next round. One creature the dragon can see within

Ancient Silver Dragon Legacy

Monsters Basic Rules (2014)

of its turns, ending the effect on itself on a success. Change Shape. The dragon magically polymorphs into a humanoid or beast that has a challenge rating no higher than its own, or back into its

fog cloud spell. The fog lasts until initiative count 20 on the next round. A blisteringly cold wind blows through the lair near the dragon. Each creature within 120 feet of the dragon must succeed on

Winter Eladrin

Monsters Mordenkainen Presents: Monsters of the Multiverse

must make a DC 13 Wisdom saving throw. On a failed save, the creature becomes charmed by the eladrin for 1 minute. While charmed in this way, the creature has disadvantage on ability checks and

to their emotional state by transforming them into different seasonal aspects, with behaviors and abilities that change with their forms. Some eladrin might remain in a particular aspect for years

Adult Gold Dragon Legacy

Monsters Basic Rules (2014)

, and Strength saving throws for 1 minute. A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Change Shape. The dragon magically

: The dragon glimpses the future, so it has advantage on attack rolls, ability checks, and saving throws until initiative count 20 on the next round. One creature the dragon can see within 120 feet

Adult Silver Dragon Legacy

Monsters Basic Rules (2014)

turns, ending the effect on itself on a success. Change Shape. The dragon magically polymorphs into a humanoid or beast that has a challenge rating no higher than its own, or back into its true form

spell. The fog lasts until initiative count 20 on the next round. A blisteringly cold wind blows through the lair near the dragon. Each creature within 120 feet of the dragon must succeed on a DC 15

Plasmid

monsters

becomes 0 in this form and it cannot attack. It can be used as an item or a set of Artisan’s Tools when it is in this form.Multiattack. The plasmid makes three Vicious Pseudopod attacks. Vicious

tools, reshaping their mutable bodies to serve the needs of their sahuagin masters. Skin of Stone and Steel. A plasmid can change the texture of its flesh as well as its appearance. In addition to making

Constructed Commoner

Monsters Candlekeep Mysteries

Unusual Nature. The commoner doesn’t require air, food, drink, or sleep, and it gains no benefit from finishing a short or long rest. When it drops to 0 hit points, it becomes a lifeless

notices that if the villagers are asked about anything outside Wisteria Vale or their individual talents, they quickly change subjects to small talk about the weather or gossip, and always in Common

Humanoid Mutate

Monsters Phandelver and Below: The Shattered Obelisk

influence of the Far Realm affects Humanoids, the resulting creature might be a thing of nightmares. Multitudinous webbed wings sprout haphazardly along this mutate’s body. Its skin becomes clammy and

deliberately change themselves, seeking to embrace the fell powers they worship. Creatures that become mutates often inexplicably change back to their previous forms once the Far Realm influence abates

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

Adult Time Dragon

Monsters Planescape: Adventures in the Multiverse

succeeds on three of these saves.The dragon can take up to three reactions per round but only one per turn. Reactive Rend. After using Legendary Resistance or in response to being hit by an attack

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

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

vines erupt in a 20-foot radius centered on a point on the ground that the dragon can see within 120 feet of it. That area becomes difficult terrain, and each creature there must succeed on a DC 15

. 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

Autumn Eladrin

Monsters Mordenkainen Presents: Monsters of the Multiverse

Enchanting Presence. Any non-eladrin creature that starts its turn within 60 feet of the eladrin must make a DC 16 Wisdom saving throw. On a failed save, the creature becomes charmed by the eladrin

for 1 minute. On a successful save, the creature becomes immune to any eladrin’s Enchanting Presence for 24 hours. Whenever the eladrin deals damage to the charmed creature, the charmed creature

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

erupt in a 20-foot radius centered on a point on the ground that the dragon can see within 120 feet of it. That area becomes difficult terrain, and each creature there must succeed on a DC 15 Strength

, 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

Summer Eladrin

Monsters Mordenkainen Presents: Monsters of the Multiverse

Fearsome Presence. Any non-eladrin creature that starts its turn within 60 feet of the eladrin must make a DC 16 Wisdom saving throw. On a failed save, the creature becomes frightened of the eladrin

. The magic flowing through eladrin responds to their emotional state by transforming them into different seasonal aspects, with behaviors and abilities that change with their forms. Some eladrin

Pipes of the Sewers Legacy

Magic Items Basic Rules (2014)

it normally would and can't be swayed by the pipes' music for the next 24 hours. If you win the contest, the swarm is swayed by the pipes' music and becomes friendly to you and your companions for as

long as you continue to play the pipes each round as an action. A friendly swarm obeys your commands. If you issue no commands to a friendly swarm, it defends itself but otherwise takes no actions. If

Mind Crystal

Magic Items Phandelver and Below: The Shattered Obelisk

a mind crystal and a Metamagic option on the same spell. Once you use a mind crystal, it becomes a nonmagical gem worth 50 gp. Mind Crystal (Careful);Careful (Uncommon). Choose up to three creatures

doesn’t have a range of self, the spell’s range increases by 100 feet. If the spell has a range of touch, its range becomes 30 feet. Mind Crystal (Empowered);Empowered (Uncommon). When you

Lineages

Species Van Richten’s Guide to Ravenloft

’ve changed in significant ways that might overwrite your once physical or magical capabilities. A dragonborn who becomes a dhampir, for instance, loses their connection to their draconic ancestry

racial traits might remain after you gain a lineage, a possibility captured in the Ancestral Legacy trait. Keep this in mind when you explore the details of how you change after gaining a lineage

D&D Beyond

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