both before deals could reverts

Feather of Diatryma Summoning

Magic Items Waterdeep: Dragon Heist

throw the feather into a Large unoccupied space on the ground within 5 feet of you, the feather becomes a living diatryma for up to 6 hours, after which it reverts to its feather form. It reverts to

feather form early if it drops to 0 hit points or if you use an action to speak the command word again while touching the bird. When the diatryma reverts to feather form, the magic of the feather can

Aarakocra Simulacrum

Monsters Storm King's Thunder

Dive Attack. If the aarakocra is flying and dives at least 30 feet straight toward a target and then hits it with a melee weapon attack, the attack deals an extra 3 (1d6);{"diceNotation":"1d6

","rollType":"roll","rollAction":"Dive Attack"} damage to the target. Simulacrum. When a simulacrum drops to 0 hit points or is subjected to a successful dispel magic spell (DC 17), it reverts to ice and snow

Deva Legacy

Monsters Basic Rules (2014)

Angelic Weapons. The deva's weapon attacks are magical. When the deva hits with any weapon, the weapon deals an extra 4d8;{"diceNotation":"4d8","rollType":"damage","rollAction":"Angelic Weapons

its own, or back into its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the deva's choice). In a new form, the deva

Cloud Giant Smiling One Legacy

Monsters Volo's Guide to Monsters

","rollDamageType":"bludgeoning"} bludgeoning damage. The attack deals an extra 14 (4d6);{"diceNotation":"4d6","rollType":"roll","rollAction":"Morningstar"} damage if the giant has advantage on the

":"damage","rollAction":"Rock","rollDamageType":"bludgeoning"} bludgeoning damage. The attack deals an extra 14 (4d6);{"diceNotation":"4d6","rollType":"roll","rollAction":"Rock"} damage if the giant

Warrior's Passkey

Magic Items The Book of Many Things

use a bonus action to transform it into a magic longsword. You are considered proficient with the sword, and you have a +1 bonus to attack and damage rolls made with it. On a hit, the sword deals

1d10 force damage. The item remains in its sword form until it leaves your grasp or you use another bonus action to revert it to its key form. If you end your attunement to the item while it’s in its sword form, it automatically reverts to its key form.

Gray Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

is wearing or carrying isn’t transformed. It reverts to its true form if it dies. Innate Spellcasting. The slaad’s innate spellcasting ability is Charisma (spell save DC 14). The slaad can

uninterrupted work and a successful DC 20 Wisdom (Medicine) check. Each failed attempt deals 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollDamageType":"psychic"} psychic damage to the

Death Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

is wearing or carrying isn't transformed. It reverts to its true form if it dies. Innate Spellcasting. The slaad's innate spellcasting ability is Charisma (spell save DC 15, +7;{"diceNotation":"1d20+7

from an incapacitated slaad. Each try requires 1 minute of uninterrupted work and a successful DC 20 Wisdom (Medicine) check. Each failed attempt deals 22 (4d10);{"diceNotation":"4d10","rollType

Green Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

is wearing or carrying isn't transformed. It reverts to its true form if it dies. Innate Spellcasting. The slaad's innate spellcasting ability is Charisma (spell save DC 12). The slaad can innately

slaad. Each try requires 1 minute of uninterrupted work and a successful DC 20 Wisdom (Medicine) check. Each failed attempt deals 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollDamageType

Wereraven

Monsters Curse of Strahd

or carrying isn’t transformed. It reverts to its humanoid form if it dies.Wereravens are secretive and extraordinarily cautious lycanthropes that trust one another but are wary of just about

already higher. Attack and damage rolls for the wereraven’s bite are based on whichever is higher of the character’s Strength and Dexterity. The bite of a wereraven in raven form deals 1

Drow Arachnomancer Legacy

Monsters Mordenkainen’s Tome of Foes

melds into the giant spider form. It can't activate, use, wield, or otherwise benefit from any of its equipment. It reverts to its humanoid form if it dies. Fey Ancestry. The drow has advantage on

attacks. The first of these attacks that hits each round deals an extra 26 (4d12);{"diceNotation":"4d12","rollType":"damage","rollAction":"Multiattack","rollDamageType":"poison"} poison damage to the

Zorak Lightdrinker

Monsters Waterdeep: Dungeon of the Mad Mage

carrying does. He reverts to his true form if he dies. While in mist form, Zorak can't take any actions, speak, or manipulate objects. He is weightless, has a flying speed of 20 feet, can hover, and can

within 2 hours or be destroyed. Once in his resting place, he reverts to his vampire form. He is then paralyzed until he regains at least 1 hit point. After spending 1 hour in his resting place with 0

Euryale

Monsters The Book of Many Things

, the attack deals an extra 16 (3d10);{"diceNotation":"3d10", "rollType":"damage", "rollAction":"Venomous Strike", "rollDamageType":"poison"} poison damage.When she retired from adventuring, Euryale

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

The Abbot

Monsters Curse of Strahd

Angelic Weapons. The Abbot's weapon attacks are magical. When the Abbot hits with any weapon, the weapon deals an extra 4d8;{"diceNotation":"4d8","rollType":"damage","rollAction":"Angelic Weapons

than its own, or back into its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the Abbot's choice). In a new form, the

Feather of Diatryma Summoning

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dragon Heist

. When the diatryma reverts to feather form, the magic of the feather can’t be used again until 7 days have passed. The diatryma uses the statistics of an axe beak, except that its beak deals piercing

to 6 hours, after which it reverts to its feather form. It reverts to feather form early if it drops to 0 hit points or if you use an action to speak the command word again while touching the bird

Mechanus

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

normally deals 1d10 + 5 damage always deals 10 damage on Mechanus. Optional Rule: Imposing Order At the end of each long rest taken on this plane, a visitor that isn’t lawful neutral must make a DC 10

Wisdom saving throw. On a failed save, the creature’s alignment changes to lawful neutral. The creature’s alignment reverts to normal after one day spent on a plane other than Mechanus. Casting the dispel evil and good spell on the creature also restores its original alignment.

Maddgoth's Homunculus

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

is Large and has 55 (10d10) hit points. It has a Strength score of 15 (+2), and its bite attack deals 9 (2d6 + 2) piercing damage on a hit. It understands Abyssal, Common, Draconic, and Gnomish, but

can’t speak. If the homunculus is forcibly taken from the castle, its relative size reverts to Tiny, and its statistics become those of a normal homunculus. Whenever the creature’s relative size

Deva

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

) Angelic Weapons. The deva’s weapon attacks are magical. When the deva hits with any weapon, the weapon deals an extra 4d8 radiant damage (included in the attack). Innate Spellcasting. The deva’s

its own, or back into its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (the deva’s choice). In a new form, the deva

Green Dragon Lairs

Compendium - Sources->Dungeons & Dragons->Fizban's Treasury of Dragons

zombies take their turn immediately after this lair action. Each one reverts to an inanimate corpse after 1 minute, when the dragon uses this lair action again, or when the zombie is destroyed

. Lashing Root. One large root or branch that is part of the lair makes a melee attack roll against a creature within 10 feet of it. It has a +7 bonus to hit and deals 10 (3d6) bludgeoning damage on a hit

Wereraven

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

form. Its statistics, other than its size and speed, are the same in each form. Any equipment it is wearing or carrying isn’t transformed. It reverts to its humanoid form if it dies. Wereraven

Strength and Dexterity. The peck of a wereraven deals 1 piercing damage in raven form (no ability modifier applies to this damage), or 1d4 piercing damage in hybrid form (the character’s ability modifier applies to this damage). This attack carries the curse of wereraven lycanthropy.

16. Central Cavern

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

. Characters who enter the sphere can tell something has happened when Maddgoth’s castle suddenly looms twelve times larger in their vision. A shrunken creature or object reverts to its normal size

final 40 feet before impact. Because the reducing effect creates more relative distance between the creature and the cavern floor, a fall from anywhere on the castle deals 20d6 bludgeoning damage on impact.

Drow Arachnomancer

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

can’t activate, use, wield, or otherwise benefit from any of its equipment. It reverts to its humanoid form if it dies. Fey Ancestry. The drow has advantage on saving throws against being charmed, and

movement restrictions caused by webbing. Actions Multiattack. The drow makes two poisonous touch attacks or two bite attacks. The first of these attacks that hits each round deals an extra 26

Euryale

Compendium - Sources->Dungeons & Dragons->The Book of Many Things

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 Gaze (Recharge 4–6). Euryale unleashes

another creature’s turn. Euryale regains spent legendary actions at the start of her turn. Move. Euryale moves up to her speed. Venomous Strike (Costs 2 Actions). Euryale makes one Snake Bite attack. If the target has the poisoned condition, the attack deals an extra 16 (3d10) poison damage.

Delerium Geode

Equipment

spell for 1 minute. 63–64 Wicked spirits flutter around the triggering creature. It is surrounded by the Spirit Guardians spell (spell save DC 15), which deals Necrotic damage and harms all

reverts to its original form when the new form is reduced to 0 Hit Points or after 24 hours. It then gains a random form of Drakkenheim Madness from the harrowing ordeal. 67–68 The triggering

Delerium Massive Cluster

Equipment

Enlarge/Reduce spell for 1 minute. 63–64 Wicked spirits flutter around the triggering creature. It is surrounded by the Spirit Guardians spell (spell save DC 15), which deals Necrotic damage

levels, it reverts to its original form when the new form is reduced to 0 Hit Points or after 24 hours. It then gains a random form of Drakkenheim Madness from the harrowing ordeal. 67–68 The

Crushing Wave Cultists

Compendium - Sources->Dungeons & Dragons->Princes of the Apocalypse

ft., one target. Hit: 6 (1d8 + 2) slashing damage, or 7 (1d10 + 2) slashing damage if used with two hands. Against a target is wearing no armor, the reaver deals an extra die of damage with this sword

, a process requiring a month. Sneak Attack. The knight deals an extra 7 (2d6) damage when it hits a target with a weapon attack and has advantage on the attack roll, or when the target is within 5

Effects for Single Cards

Compendium - Sources->Dungeons & Dragons->The Book of Many Things

the next minute, the target can’t cast spells or activate magic items, it has disadvantage on all saving throws, and other creatures have resistance to all damage it deals. Once this property is used

, it takes the Dodge action and moves to avoid danger. The deck defender reverts to a card early if it drops to 0 hit points. Once this property is used, it can’t be used again until the next dawn. Moon

Delerium Chip

Equipment

for 1 minute. 63–64 Wicked spirits flutter around the triggering creature. It is surrounded by the Spirit Guardians spell (spell save DC 15), which deals Necrotic damage and harms all

levels, these Contamination levels disappear after the character finishes a Long Rest. If the character undergoes a Monstrous Transformation while it has any of these Contamination levels, it reverts to

Delerium Crystal

Equipment

spell for 1 minute. 63–64 Wicked spirits flutter around the triggering creature. It is surrounded by the Spirit Guardians spell (spell save DC 15), which deals Necrotic damage and harms

reverts to its original form when the new form is reduced to 0 Hit Points or after 24 hours. It then gains a random form of Drakkenheim Madness from the harrowing ordeal. 67–68 The triggering

23. Fazrian's Court

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

reverts to hostile if the characters threaten it or fail to make payment in a reasonable amount of time. Standing Gate to Level 19. The crystal menhirs are indestructible and form one of Halaster’s magic

gates (see “Gates”). Striking either menhir with a hard object or targeting one or both with a shatter spell deals no damage, but causes an affected standing stone to emit a loud ringing that awakens

Delerium Fragment

Equipment

spell for 1 minute. 63–64 Wicked spirits flutter around the triggering creature. It is surrounded by the Spirit Guardians spell (spell save DC 15), which deals Necrotic damage and harms

reverts to its original form when the new form is reduced to 0 Hit Points or after 24 hours. It then gains a random form of Drakkenheim Madness from the harrowing ordeal. 67–68 The triggering

Delerium Shard

Equipment

spell for 1 minute. 63–64 Wicked spirits flutter around the triggering creature. It is surrounded by the Spirit Guardians spell (spell save DC 15), which deals Necrotic damage and harms all

levels, these Contamination levels disappear after the character finishes a Long Rest. If the character undergoes a Monstrous Transformation while it has any of these Contamination levels, it reverts

The Nine Hells

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

creature’s alignment reverts to normal after one day spent on a plane other than the Nine Hells. Casting the dispel evil and good spell on the creature also restores its original alignment. The Nine

crimson throne stands in the heart of the Iron City of Dis, a hideous metropolis that is the largest in the Nine Hells. Planar travelers come here to conspire with devils and to close deals with night hags

Sorcerer Subclasses

Compendium - Sources->Dungeons & Dragons->Player’s Handbook

type associated with dragons. Choose one of those types: Acid, Cold, Fire, Lightning, or Poison. You have Resistance to that damage type, and when you cast a spell that deals damage of that type, you

you cast a spell that deals damage within the next minute, don’t roll the spell’s damage dice for the damage. Instead use the highest number possible for each damage die. 33–36 You have

Giants

Compendium - Sources->Dungeons & Dragons->Volo's Guide to Monsters

Attack: +12 to hit, reach 10 ft., one target. Hit: 21 (3d8 + 8) bludgeoning damage. The attack deals an extra 14 (4d6) damage if the giant has advantage on the attack roll. Rock. Ranged Weapon Attack

: +12 to hit, range 60/240 ft., one target. Hit: 30 (4d10 + 8) bludgeoning damage. The attack deals an extra 14 (4d6) damage if the giant has advantage on the attack roll. Change Shape. The giant

Specific Spells

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

damage to revert to its true form and that form has Resistance to Fire damage, does the true form take the full remaining damage or only half due to Resistance? When the creature reverts to its true form

deals damage. The Grapple and Shove options of an Unarmed Strike do none of these things. If I cast Shillelagh on my Quarterstaff and have the Polearm Master feat, does the bonus attack use a d4 or a

D&D Beyond

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