both before drops cause revert

Pole of Angling

Magic Items Dungeon Master’s Guide

This item functions as a Pole. While holding it, you can take a Magic action to cause it to transform into a fishing pole with a hook, a line, and a reel, or have the fishing pole revert to a Pole.

Pole of Collapsing

Magic Items Dungeon Master’s Guide

This item functions as a Pole. While holding it, you can take a Magic action to collapse it into a 1-foot-long rod for ease of storage (the pole’s weight doesn’t change) or cause the 1-foot-long rod to revert to a Pole. The rod elongates only as far as the surrounding space allows.

Staff of the Adder

Magic Items Dungeon Master’s Guide

As a Bonus Action, you can turn the head of this staff into that of an animate, venomous snake for 1 minute or revert the staff to its inanimate form. When you take the Attack action, you can make

and 3d6 Poison damage. The snake head can be attacked while it is animate. It has AC 15, HP 20, and Immunity to Poison and Psychic damage. If the head drops to 0 Hit Points, the staff is destroyed. As

Cauldron of Rebirth

Magic Items Dungeon Master’s Guide

. Raise Dead. As a Magic action, you can cause the cauldron to grow large enough for a Medium creature to crouch within. You can revert the cauldron to its normal size as a Magic action, harmlessly

Find Familiar

Spells Player’s Handbook

forever. As a Magic action while it is temporarily dismissed, you can cause it to reappear in an unoccupied space within 30 feet of you. Whenever the familiar drops to 0 Hit Points or disappears into

drops to 0 Hit Points, it disappears. It reappears after you cast this spell again. As a Magic action, you can temporarily dismiss the familiar to a pocket dimension. Alternatively, you can dismiss it

Daern's Instant Fortress

Magic Items Dungeon Master’s Guide

As a Magic action, you can place this 1-inch adamantine statuette on the ground and, using a command word, cause it to grow rapidly into a square adamantine tower. Repeating the command word causes

the tower to revert to statuette form, which works only if the tower is empty. Each creature in the area where the tower appears is pushed to an unoccupied space outside but next to the tower. Objects

Bigby's Hand

Spells Player’s Handbook

your own hand. The hand is an object that has AC 20 and Hit Points equal to your Hit Point maximum. If it drops to 0 Hit Points, the spell ends. The hand doesn’t occupy its space. When you cast

the spell and as a Bonus Action on your later turns, you can move the hand up to 60 feet and then cause one of the following effects: Clenched Fist. The hand strikes a target within 5 feet of it

Earthquake

Spells Player’s Handbook

the Prone condition, and its Concentration is broken. You can also cause the effects below. Fissures. A total of 1d6 fissures open in the spell’s area at the end of the turn you cast it. You

. The tremor deals 50 Bludgeoning damage to any structure in contact with the ground in the area when you cast the spell and at the end of each of your turns until the spell ends. If a structure drops to

Figurine of Wondrous Power

Magic Items Dungeon Master’s Guide

duration, the creature reverts to its figurine form. It reverts to a figurine early if its creature form drops to 0 Hit Points or if you take a Magic action while touching the creature to make it revert to

ignore your orders, including a command to revert to figurine form. If you mount the nightmare while it is ignoring your orders, you and the nightmare are instantly transported to a random location on

Moonblade

Magic Items Dungeon Master’s Guide

cause the Moonblade to flash brightly. Each other creature that is within 30 feet of you and not behind Total Cover must succeed on a DC 15 Constitution saving throw or have the Blinded condition for 1

. You control this entity, deciding how it acts and moves. It remains until it drops to 0 Hit Points or you dismiss it as a Magic action.

Pole of Collapsing Legacy

Magic Items Xanathar's Guide to Everything

can use an action to speak a different command word and cause the rod to revert to a pole; however, the rod will elongate only as far as the surrounding space allows.

While holding this 10-foot pole, you can use an action to speak a command word and cause it to collapse into a 1-foot-long rod, for ease of storage. The pole’s weight doesn’t change. You

Doric

Monsters Thieves’ Gallery

she will fight tooth and nail for a cause she believes in. Doric has joined the Emerald Enclave, a network of survivalists who tend to the balance between civilization and nature. When the Lord of

reverts to her true form if she is incapacitated or dies. She can revert to her true form using a bonus action. While Doric is transformed, her stat block is replaced by the stat block of that form

Find Familiar Legacy

Spells Basic Rules (2014)

. When the familiar drops to 0 hit points, it disappears, leaving behind no physical form. It reappears after you cast this spell again. As an action, you can temporarily dismiss the familiar to a pocket

dimension. Alternatively, you can dismiss it forever. As an action while it is temporarily dismissed, you can cause it to reappear in any unoccupied space within 30 feet of you. Whenever the familiar

Cauldron of Rebirth Legacy

Magic Items Tasha’s Cauldron of Everything

action, you can cause the cauldron to grow large enough for a Medium creature to crouch within. You can revert the cauldron to its normal size as an action, harmlessly shunting anything that can’t

Black Rose Bearer

Monsters Vecna: Eve of Ruin

from a critical hit. On a successful save, the bearer drops to 1 hit point instead.Multiattack. The bearer makes two Slam attacks. Slam. Melee Weapon Attack: +6;{"diceNotation":"1d20+6", "rollType

as a guardian. Its name derives from the preserved black rose the bearer carries inside a delicate bell jar. The slightest jostle can cause the bearer to lose its grasp on the bell jar, destroying

Vampire Warrior Legacy

Monsters Monster Manual (2014)

throw, it can choose to succeed instead. Misty Escape. When it drops to 0 hit points outside its resting place, the vampire transforms into a cloud of mist (as in the Shapechanger trait) instead of

falling unconscious, provided that it isn't in sunlight or running water. If it can't transform, it is destroyed. While it has 0 hit points in mist form, it can't revert to its vampire form, and it must

Vampire Legacy

Monsters Basic Rules (2014)

). If the vampire fails a saving throw, it can choose to succeed instead. Misty Escape. When it drops to 0 hit points outside its resting place, the vampire transforms into a cloud of mist (as in the

can’t revert to its vampire form, and it must reach its resting place within 2 hours or be destroyed. Once in its resting place, it reverts to its vampire form. It is then paralyzed until it

Vampire Spellcaster Legacy

Monsters Monster Manual (2014)

throw, it can choose to succeed instead. Misty Escape. When it drops to 0 hit points outside its resting place, the vampire transforms into a cloud of mist (as in the Shapechanger trait) instead of

falling unconscious, provided that it isn't in sunlight or running water. If it can't transform, it is destroyed. While it has 0 hit points in mist form, it can't revert to its vampire form, and it must

Steel Predator

Monsters Mordenkainen Presents: Monsters of the Multiverse

damage, drops everything it’s holding, and is stunned for 1 minute. The stunned creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. On a

can be used in another steel predator. Battle damage can cause this instinct to fail, however, in which case the steel predator lingers in the area, hunting and killing other creatures that resemble

Artus Cimber

Monsters Tomb of Annihilation

following properties while attuned to the dagger, provided he has the weapon drawn: Cause a blue gem set into the dagger’s pommel to shed bright light in a 20-foot radius and dim light for an

temperature in a 120-foot-radius sphere centered on a point he can see within 300 feet of him. The temperature in that area drops 20 degrees per minute, to a minimum of −30 degrees Fahrenheit. Frost and

Jarad Vod Savo

Monsters Guildmasters’ Guide to Ravnica

Infusion. Jarad is surrounded by a cloud of spores. As a bonus action, he can cause the spores to deal 11 (2d10);{"diceNotation":"2d10","rollType":"damage","rollAction":"Spore Infusion","rollDamageType

Jarad to 0 hit points, he must make a Constitution saving throw with a DC of 5 + the damage taken, unless the damage is radiant or from a critical hit. On a success, he drops to 1 hit point

Zorak Lightdrinker

Monsters Waterdeep: Dungeon of the Mad Mage

to succeed instead. Misty Escape. When he drops to 0 hit points outside his resting place, Zorak transforms into a cloud of mist (as in the Shapechanger trait) instead of falling unconscious

, provided that it isn't in sunlight or running water. If he can't transform, he is destroyed. While he has 0 hit points in mist form, he can't revert to his vampire form, and he must reach his resting place

Bigby's Hand Legacy

Spells Player’s Handbook (2014)

movements of your own hand. The hand is an object that has AC 20 and hit points equal to your hit point maximum. If it drops to 0 hit points, the spell ends. It has a Strength of 26 (+8) and a Dexterity

of 10 (+0). The hand doesn't fill its space. When you cast the spell and as a bonus action on your subsequent turns, you can move the hand up to 60 feet and then cause one of the following effects

Yan-C-Bin

Monsters Princes of the Apocalypse

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

Caves, described in chapter 5), Yan-C-Bin is master. He can use the following actions in his lair. Lair Actions On initiative count 20 (losing initiative ties), Yan-C-Bin takes a lair action to cause

Arcane Hand Legacy

Spells Basic Rules (2014)

movements of your own hand. The hand is an object that has AC 20 and hit points equal to your hit point maximum. If it drops to 0 hit points, the spell ends. It has a Strength of 26 (+8) and a Dexterity

of 10 (+0). The hand doesn't fill its space. When you cast the spell and as a bonus action on your subsequent turns, you can move the hand up to 60 feet and then cause one of the following effects

Figurine of Wondrous Power Legacy

Magic Items Basic Rules (2014)

takes no other actions. The creature exists for a duration specific to each figurine. At the end of the duration, the creature reverts to its figurine form. It reverts to a figurine early if it drops

5 days have passed. If you have a good alignment, the figurine has a 10 percent chance each time you use it to ignore your orders, including a command to revert to figurine form. If you mount the

Prehistoric Figurines of Wondrous Power

Magic Items Bigby Presents: Glory of the Giants

reverts to a figurine early if it drops to 0 hit points or if you use an action to speak the command word again while touching it. When the creature becomes a figurine again, its property can’t be

;t be used again until 14 days have passed. Whenever you command the figurine while it’s in tyrannosaurus rex form (including commanding it to revert to figurine form), you must roll a d20. On

Ring of Winter

Magic Items Tomb of Annihilation

Guide). If it succeeds, the ring compels its wearer to cause undue harm to everyone and everything around it, in a cold-hearted attempt to incur the wrath of enemies and bring about the wearer&rsquo

and use the ring to lower the temperature in a 120-foot-radius sphere centered on a point you can see within 300 feet of you. The temperature in that area drops 20 degrees per minute, to a minimum of

Geryon Legacy

Monsters Mordenkainen’s Tome of Foes

become poisoned until it finishes a short or long rest. The target's hit point maximum is reduced by an amount equal to half the poison damage it takes. If its hit point maximum drops to 0, it dies

initiative count 20 (losing initiative ties), Geryon can take a lair action to cause one of the following effects; he can't use the same effect two rounds in a row: Geryon causes a blast of cold to burst

Cradle of the Storm Scion

Monsters Bigby Presents: Glory of the Giants

Awakening of the Scion. The cradle is a container for the scion of Stronmaus. When the cradle drops to 0 hit points, its body bursts into light. The scion instantly appears in the space the cradle

from harm it might cause. If the scion is threatened, it unleashes elemental might like few other forces in the multiverse can muster: blades of lightning, boulder-sized hailstones, and a storm of

Valindra Shadowmantle Legacy

Monsters Tomb of Annihilation

Valindra drops to 30 hit points or fewer, or if dispel magic is cast on her.Valindra can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time

the lich’s work. A lich encountered in its lair has a challenge rating of 22 (41,000 XP). Lair Actions On initiative count 20 (losing initiative ties), the lich can take a lair action to cause

Geryon (Summoner Variant) Legacy

Monsters Mordenkainen’s Tome of Foes

become poisoned until it finishes a short or long rest. The target's hit point maximum is reduced by an amount equal to half the poison damage it takes. If its hit point maximum drops to 0, it dies

initiative ties), Geryon can take a lair action to cause one of the following effects; he can't use the same effect two rounds in a row: Geryon causes a blast of cold to burst from the ground at a point

Gar Shatterkeel (Noncore)

Monsters Locathah Rising

*Circle spells don’t count against spells prepared. Water Walk. Gar can stand and move on liquid surfaces as if they were solid ground. Watery Fall. When Gar drops to 0 hit points, his body

action to cause one of the following effects; Gar can’t use the same effect two rounds in a row. Gar may teleport anywhere within the coral mountain, bringing up to five willing creatures with

Draconic Shard

Monsters Fizban's Treasury of Dragons

fails a saving throw, it can choose to succeed instead. Rejuvenation. When it drops to 0 hit points, the shard disappears and leaves a Tiny cracked gemstone in its space. The gemstone matches the kind

object. The shard can cause the object to fly using the shard’s own flying speed, use its senses, speak verbally or telepathically, cast spells, and use its legendary actions. If a creature

Demilich (Variant) Legacy

Monsters Monster Manual (2014)

exist. If the demilich drops to 0 hit points, it is destroyed and turns to powder, leaving behind its gems. Crushing a gem releases any soul trapped within, at which point the target’s body re

Action"}. On a result of 11 or higher, the demilich takes a lair action to cause one of the following effects. It can’t use the same effect two rounds in a row. The tomb trembles violently for

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