before barrier drops change resolves

Arch-hag

Monsters Monster Manual

spells and other magical effects. Spiteful Escape. When the hag drops to 0 Hit Points, it dies only if it is within 30 feet of its anathema (a thing the DM chooses as the hag’s most hated thing

). Otherwise, the hag drops to 1 Hit Point and teleports to a harmless demiplane, and it can’t return to the plane it left for 2d6;{"diceNotation":"2d6", "rollType":"roll", "rollAction":"Spiteful

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

Cube of Force Legacy

Magic Items Basic Rules (2014)

charges remaining, nothing happens. Otherwise, a barrier of invisible force springs into existence, forming a cube 15 feet on a side. The barrier is centered on you, moves with you, and lasts for 1

minute, until you use an action to press the cube's sixth face, or the cube runs out of charges. You can change the barrier's effect by pressing a different face of the cube and expending the requisite

Giant Insect Legacy

Spells Basic Rules (2014)

the statistics for these creatures and resolves their actions and movement. A creature remains in its giant size for the duration, until it drops to 0 hit points, or until you use an action to dismiss

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

Murder Comet

Monsters Spelljammer: Adventures in Space

Explode. When the comet drops to 0 hit points, it explodes in a 20-foot-radius sphere centered on itself. Each creature in the sphere must make a DC 16 Dexterity saving throw, taking 28 (8d6

Wildspace without need for air, sleep, or sustenance. The murder comet’s face takes on the appearance of its creator’s, and its statistics change as follows: Replace the comet’s

Werevulture

Monsters The Book of Many Things

targeted by the Remove Curse spell or a similar effect. If the cursed target drops to 0 hit points, it becomes a werevulture under the DM’s control and regains 10 hit points. Talon. Melee Weapon

. Werevultures appear perfectly ordinary when in humanoid shape. But by the light of the full moon—or at other times when they give in to the curse—they change. Foul wings burst painfully

Leedara

Monsters Dragonlance: Shadow of the Dragon Queen

features, or proficiencies. The possession lasts until the body drops to 0 hit points, Leedara ends it as a bonus action, or Leedara is turned or forced out by an effect like the dispel evil and good spell

after the possession ends. Change Shape. Leedara magically assumes the appearance she had in life, and her creature type changes to Humanoid, while retaining her other game statistics. This

True Polymorph Legacy

Spells Basic Rules (2014)

object must be neither worn nor carried by another creature). The spell lasts for the duration, or until the target drops to 0 hit points or dies. If you concentrate on this spell for the full

’s statistics and resolves all of its actions and movement. If the spell becomes permanent, you no longer control the creature. It might remain friendly to you, depending on how you have

Yan-C-Bin

Monsters Princes of the Apocalypse

damage and is deafened until the start of Yan-C-Bin’s next turn. Change Shape. Yan-C-Bin polymorphs into a Medium humanoid. While in polymorphed form, a swirling breeze surrounds him, his eyes are

feet of him. The target must make a DC 21 Constitution saving throw. On a failed save, the target drops to 0 hit points and is dying. On a successful save, the target can’t breathe or speak

Lesser Star Spawn Emissary

Monsters Van Richten’s Guide to Ravenloft

Aberrant Rejuvenation. When the emissary drops to 0 hit points, its body melts away. A greater star spawn emissary instantly appears in an unoccupied space within 60 feet of where the lesser emissary

damage. Change Shape. The emissary polymorphs into a Small or Medium creature of its choice or back into its true form. Its statistics, other than its size, are the same in each form. Any equipment it is

Endelyn Moongrave

Monsters The Wild Beyond the Witchlight

solar eclipse or while she is within 60 feet of a symbolic representation of one. Otherwise, Endelyn disappears in a cloud of inky smoke when she drops to 0 hit points, along with anything she was

’t change it, but I will do everything in my power to forestall it.” Endelyn’s Appearance Endelyn’s emaciated form is hidden under the layers of her elaborate costume. Part dress

Giant Insect

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

scorpion becomes a giant scorpion. Each creature obeys your verbal commands, and in combat, they act on your turn each round. The DM has the statistics for these creatures and resolves their actions and

movement. A creature remains in its giant size for the duration, until it drops to 0 hit points, or until you use an action to dismiss the effect on it. The DM might allow you to choose different

Giant Insect

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

scorpion becomes a giant scorpion. Each creature obeys your verbal commands, and in combat, they act on your turn each round. The DM has the statistics for these creatures and resolves their actions and

movement. A creature remains in its giant size for the duration, until it drops to 0 hit points, or until you use an action to dismiss the effect on it. The DM might allow you to choose different

Cube of Force

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

face has a different effect. If the cube has insufficient charges remaining, nothing happens. Otherwise, a barrier of invisible force springs into existence, forming a cube 15 feet on a side. The barrier

is centered on you, moves with you, and lasts for 1 minute, until you use an action to press the cube’s sixth face, or the cube runs out of charges. You can change the barrier’s effect by pressing a

Deck of Many Things Legacy

Magic Items Basic Rules (2014)

alteration, causing your alignment to change. Lawful becomes chaotic, good becomes evil, and vice versa. If you are true neutral or unaligned, this card has no effect on you. Comet. If you single

you, warning all others that you must win the battle alone. The avatar fights until you die or it drops to 0 hit points, whereupon it disappears. If anyone tries to help you, the helper summons its

Cube of Force

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

face has a different effect. If the cube has insufficient charges remaining, nothing happens. Otherwise, a barrier of invisible force springs into existence, forming a cube 15 feet on a side. The barrier

is centered on you, moves with you, and lasts for 1 minute, until you use an action to press the cube’s sixth face, or the cube runs out of charges. You can change the barrier’s effect by pressing a

Auril (First Form)

Monsters Icewind Dale: Rime of the Frostmaiden

Divine Being. Auril can’t be surprised and can’t be changed into another form against her will. Divine Rejuvenation. When Auril drops to 0 hit points, her body turns to slush and melts

away. Auril instantly reappears in her Auril (Second Form);second form, in an unoccupied space within 60 feet of where her first form disappeared. Her initiative count doesn’t change. Innate

Exact Change

Compendium - Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything

Exact Change Difficulty: Hard This puzzle provides an elaborate, coin-based lock to any sort of door, vault, or other barrier. The door here is locked and has no handle. Instead, there is a slot in

the door with an engraving above it that reads, “Insert exact change here.” Nearby, a wooden bowl of coins rests atop a wooden table. The tabletop is engraved with nine squares in a three-by-three

Wave

Compendium - Sources->Dungeons & Dragons->Locathah Rising

insuﬃcient charges remaining, nothing happens. Otherwise, a barrier of invisible force springs into existence, forming a cube 15 feet on a side. The barrier is centered on you, moves with you, and lasts

for 1 minute, until you use an action to press the cube's sixth face, or the cube runs out of charges. You can change the barrier's eﬀect by pressing a diﬀerent face of the cube and expending the

Deck of Several Things

Magic Items Lost Laboratory of Kwalish

spades Rogue Two of spades Balance Joker (with TM) Fool Joker (without TM) Jester Balance. Your mind suffers a wrenching alteration, causing your alignment to change for

drops to 0 hit points, whereupon it disappears. If anyone tries to help you, the helper summons its own avatar of death. A creature slain by an avatar of death can’t be restored to life. Star

Auril (Second Form)

Monsters Icewind Dale: Rime of the Frostmaiden

Divine Being. Auril can’t be surprised and can’t be changed into another form against her will. Divine Rejuvenation. When Auril drops to 0 hit points, her body collapses into shards of

ice, whereupon Auril instantly reappears in her Auril (Third Form);third form, in an unoccupied space within 60 feet of where her second form was destroyed. Her initiative count doesn’t change

Beginning a Chase

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

action and move on its turn. The chase ends when one side drops out or the quarry escapes. When a chase begins, determine the starting distance between the quarry and the pursuers. Track the distance

between them, and designate the pursuer closest to the quarry as the lead. The lead pursuer might change from round to round.

1. Entrance

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

track or reaches its maximum speed of 60 feet. A cart stops if it hits a stopped cart or the iron guard barrier at either end of the track. Each cart weighs 300 pounds empty and is equipped with a

hand brake. A creature inside a cart or next to one can use its action to pull the hand brake to reduce the cart’s speed by up to 30 feet, bringing it to a stop if its speed drops to 0. Moving out of

Levels 11-16: Masters of the Realm

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

spells that completely change the way adventurers interact with the world. Their big, flashy spells are significant in combat — disintegrate, blade barrier, and heal, for example — but behind-the

True Polymorph

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

object must be neither worn nor carried by another creature). The transformation lasts for the duration, or until the target drops to 0 hit points or dies. If you concentrate on this spell for the

and your companions. It acts on each of your turns. You decide what action it takes and how it moves. The DM has its statistics and resolves its actions and movement. If the spell becomes permanent

True Polymorph

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

object must be neither worn nor carried by another creature). The spell lasts for the duration, or until the target drops to 0 hit points or dies. If you concentrate on this spell for the full

companions. It acts on each of your turns. You decide what action it takes and how it moves. The DM has its statistics and resolves its actions and movement. If the spell becomes permanent, you no

Magic of Wyllowwood

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

, the moon, the stars, and clouds, though there is no wind or breeze to speak of. During the day, the warmth of the sun can be felt, and at night the temperature drops as one would expect. Despite

appearances, the walls and ceilings are still very much in place, and a true seeing spell or similar magic reveals them. A magic calendar stone in area 6k allows one to change the time of day, the weather

Ferocity

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

any potential targets, they move as far as they can in a random direction determined by the GM, avoiding danger. When a companion who has entered a rampage resolves their action or ends their turn

, their ferocity drops to 0 and they’re no longer in a rampage. Reducing Ferocity To prevent a companion from entering a dangerous rampage, a caregiver has several options at their disposal for reducing the

Meeting Kwalish

Compendium - Sources->Dungeons & Dragons->Lost Laboratory of Kwalish

removed in this way falls under a curse. While so cursed, whenever the character drops to 0 hit points, they are treated as if they had already failed one death saving throw. This curse can be removed only

concerns, and he believes that the secrets of the technology found in the Barrier Peaks hold a vast potential to advance knowledge. If questioned, he proudly details his experiments (including with

Werewolf

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

Werewolf Changed by the Ferocity of the Wolf Habitat: Forest, Hill; Treasure: Any Werewolves change from their humanoid forms into fierce wolves or wolf-humanoid hybrids. Werewolves can shape-shift

the cursed target drops to 0 Hit Points, it instead becomes a Werewolf under the DM’s control and has 10 Hit Points. Success: The target is immune to this werewolf’s curse for 24 hours. Scratch

Constructed Commoners

Compendium - Sources->Dungeons & Dragons->Candlekeep Mysteries

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

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 object. Actions Club. Melee Weapon Attack: +2 to hit, reach 5 ft., one target. Hit: 2 (1d4) bludgeoning damage.

Murder Comet

Compendium - Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Boo’s Astral Menagerie

takes on the appearance of its creator’s, and its statistics change as follows: Replace the comet’s Intelligence, Wisdom, and Charisma scores with those of its creator. Replace the comet’s alignment

, poisoned, prone, unconscious Senses darkvision 240 ft., passive Perception 10 Languages Ignan, Terran Challenge 5 (1,800 XP) Proficiency Bonus +3 Explode. When the comet drops to 0 hit points, it

Endelyn Moongrave

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

during an eclipse. That is my doom, and I can’t change it, but I will do everything in my power to forestall it.” Endelyn’s Appearance Endelyn’s emaciated form is hidden under the layers of her

60 feet of a symbolic representation of one. Otherwise, Endelyn disappears in a cloud of inky smoke when she drops to 0 hit points, along with anything she was wearing or carrying, and reappears 24

Book Description

Compendium - Sources->Dungeons & Dragons->Candlekeep Mysteries

, “Well met, dearest one. How do you feel today?” (If the characters have not experienced this already, Lorris looks into the mirror while recounting what happened to Falthrax, and then drops the book in

mentions a desire to change something about itself, or that it feels unwell, tired, or unhappy, the illusion responds, “If rest, relaxation, or transformation is what you need, then follow the lilies

D&D Beyond

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