both before deals contents 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

Ensuring Fun for All

Compendium - Sources->Dungeons & Dragons->Netheril’s Fall: Tales of Terror, Treasure, and Time Travel

Ensuring Fun for All This supplement deals with themes that some might find sensitive or uncomfortable. Before you incorporate this supplement into your game, read its contents carefully, review the

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

32: Control Gems

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

, taking an action and making a DC 15 Strength (Athletics) check. On a failed check, the pedestal unleashes an arc of lightning that deals 14 (4d6) lightning damage to the character who attempted to remove

the power core implodes, the planar portal in area 33 expands to the size of the Donjon Sphere. The prison and all its contents are transported to the Elemental Plane of Fire, then the portal collapses on itself and disappears.

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

30. The Guardian Beast

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

petrified werejaguar (use the weretiger statistics). If the altar is molested or any of the room’s contents are abused, the werejaguar becomes aware and seizes the first opportunity to attack with

the bracelet of rock magic, described in appendix A). Its first choice of targets is always the weakest member of the party. If the werejaguar is reduced to 0 hit points, it reverts to human form and

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.

30. False Treasure Room

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7

out if the contents are moved around. (Why, the demilich has long been destroyed, but his magical traps somehow survived!) Iron Chests. Each of these massive boxes is embedded into the stone. Neither

Dungeon Master’s Guide). If the trap is triggered by a failed check, it deals 1 piercing damage and delivers a dose of purple worm poison (see “Sample Poisons” in chapter 8 of the Dungeon Master’s

Blob of Annihilation

Compendium - Sources->Dungeons & Dragons->Monster Manual

in the find of a lifetime. When the blob appears, roll on or choose a result from the Blob of Annihilation Contents table to inspire what extraordinary thing remains within its goop. Blob of

Annihilation Contents 1d10 The Blob Contains... 1 An Amulet of the Planes. 2 An Artifact of the DM’s choice. 3 The corpses of two gods who were entangled in battle when the blob consumed them. 4 A Cubic

D4. Burned-out Balloon Factory

Compendium - Sources->Dungeons & Dragons->The Wild Beyond the Witchlight

contents spill out over the sides in his haste. This is where Bavlorna’s swamp gas balloons are manufactured. Two bullywugs recently set fire to the place, destroying most of the supplies as a

requires a successful ranged attack, and the bucket is treated as an improvised weapon. A bucket of water deals 1d6 damage to a coal. An animated coal that is submerged in water takes the damage at the start

Part 3: Master of Rules

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

hot coals affects the monster. You might decide that it deals 1d4 fire damage and imposes disadvantage on the monster’s attack rolls until the end of its next turn. You roll the damage die (or let the

, you need to know them. You don’t have to memorize these rules or the Player’s Handbook, but you should have a clear idea of their contents so that, when a situation requires a ruling, you know where

4. Iymrith's Trove

Compendium - Sources->Dungeons & Dragons->Storm King's Thunder

four air elementals that deal extra damage because of the gold coins swirling inside them at high velocity. Each slam attack deals 18 (3d8 + 5) bludgeoning damage, and the elementals’ whirlwind attack

deals 20 (4d8 + 2) bludgeoning damage (half damage on a successful save, as normal). When an air elemental is destroyed, the gold coins contained within it tumble to the floor (see “Treasure”). The

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.

Living Spells

Compendium - Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden

deals 78 (12d12) force damage instead. Reactions Preemptive Strike. The living spell makes a melee attack against a creature that starts its turn within 5 feet of the living spell. Living

living spell has no surface to attach to. When the living spell is destroyed, the contents of its extradimensional chamber are expelled, appearing as close to the living spell’s previous location as

Other Adventuring Gear

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

) Whetstone 1 cp 1 lb. Acid. As an action, you can splash the contents of this vial onto a creature within 5 feet of you or throw the vial up to 20 feet, shattering it on impact. In either case

as a spellcasting focus. To use the symbol in this way, the caster must hold it in hand, wear it visibly, or bear it on a shield. Holy Water. As an action, you can splash the contents of this flask

Locations on the Entrance Level

Compendium - Sources->Dungeons & Dragons->Tales from the Yawning Portal->a6

increase his challenge rating to 11 (7,200 XP): He has 187 (15d12 + 90) hit points. He has resistance to cold damage. He can speak Common and Giant. His greatsword deals an extra 7 (2d6) fire damage on a hit

drawers, four small coffers of copper on the table, and two bronze caskets. Each bronze casket has a poisonous snake inside, which must be dealt with before the contents can be accessed (see “Treasure

Shipwreck Locations

Compendium - Sources->Dungeons & Dragons->Dragons of Stormwreck Isle

neighbors. A character who lifts the floorboard triggers a trap: a tiny dart shoots up, making an attack against the character. Its attack bonus is +5. If it hits, it deals 2 (1d4) piercing damage, and the

crate in 1 minute; without a crowbar, it takes 10 minutes. When a character opens a crate, roll a d6 and consult the Crate Contents table to determine what’s inside. The characters can find each item on

Adventuring Gear

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

. Acid. As an action, you can splash the contents of this vial onto a creature within 5 feet of you or throw the vial up to 20 feet, shattering it on impact. In either case, make a ranged attack against a

. As an action, you can splash the contents of this flask onto a creature within 5 feet of you or throw it up to 20 feet, shattering it on impact. In either case, make a ranged attack against a target

D&D Beyond

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