both before drops casting revert

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

Sea Hag

Monsters Monster Manual

spell’s normal casting time, and using Intelligence as the spellcasting ability (spell save DC 11): Augury, Find Familiar, Identify, Locate Object, Scrying, or Unseen Servant. The hag must

30 feet. Failure: If the target has 20 Hit Points or fewer, it drops to 0 Hit Points. Otherwise, the target takes 13 (3d8);{"diceNotation":"3d8", "rollType":"damage", "rollAction":"Death Glare

Daern's Instant Fortress

Magic Items Dungeon Master’s Guide

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

Resistance to all other damage. Shrinking the tower back down to statuette form doesn’t repair damage to the tower. Only a Wish spell can repair the tower (this use of the spell counts as replicating a spell of level 8 or lower). Each casting of Wish causes the tower to regain all its Hit Points.

Simulacrum

Spells Player’s Handbook

You create a simulacrum of one Beast or Humanoid that is within 10 feet of you for the entire casting of the spell. You finish the casting by touching both the creature and a pile of ice or snow that

is the same size as that creature, and the pile turns into the simulacrum, which is a creature. It uses the game statistics of the original creature at the time of casting, except it is a Construct

Arch-hag

Monsters Monster Manual

Coven Magic. While within 30 feet of at least two hag allies, the hag can cast one of the following spells, requiring no Material components, using the spell’s normal casting time, and using

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

Hat of Many Spells

Magic Items Dungeon Master’s Guide

its normal casting time, and you can’t use this property again until you finish a Short or Long Rest. On a failed check, you fail to cast the spell and a random effect occurs instead

appears in an unoccupied space as close to you as possible. The creature isn’t under your control and acts as it normally would, and it disappears after 1 hour or when it drops to 0 Hit Points

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

Vanifer

Monsters Princes of the Apocalypse

Funeral Pyre. When Vanifer drops to 0 hit points, her body is consumed in a flash of fire and smoke. Anything she was wearing or carrying is left behind among ashes. Legendary Resistance (2/Day). If

spell she previously cast using a lair action. Vanifer can take no other lair actions while concentrating on a spell cast as a lair action. Her favorite use of this capability is casting fireball or

Kraul Death Priest

Monsters Guildmasters’ Guide to Ravnica

Feed on Death. When a creature within 30 feet of the kraul drops to 0 hit points, the kraul or another creature of its choice within 30 feet of it gains 5 (1d10);{"diceNotation":"1d10","rollType

quarterstaff and casts one of its spells with a casting time of 1 action. Quarterstaff. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction":"Quarterstaff"} to hit, reach 5 ft

Ooze Master

Monsters Tales from the Yawning Portal

penalty drops to −5, the weapon is destroyed. Nonmagical ammunition that hits the Ooze Master is destroyed after dealing damage. The Ooze Master can eat through 2-inch-thick, nonmagical wood or metal in

1 round. Instinctive Attack. When the Ooze Master casts a spell with a casting time of 1 action, it can make one pseudopod attack as a bonus action. Spellcasting. The Ooze Master is a 9th-level

Simulacrum Legacy

Spells Basic Rules (2014)

You shape an illusory duplicate of one beast or humanoid that is within range for the entire casting time of the spell. The duplicate is a creature, partially real and formed from ice or snow, and it

simulacrum lasts until it drops to 0 hit points, at which point it reverts to snow and melts instantly. If you cast this spell again, any duplicate you created with this spell is instantly destroyed.

Gar Shatterkeel

Monsters Princes of the Apocalypse

stand and move on liquid surfaces as if they were solid ground. Watery Fall. When Gar drops to 0 hit points, his body collapses into a pool of inky water that rapidly disperses. Anything he was wearing

lair actions while concentrating on a spell cast as a lair action. His favorite use of this capability is casting inflict wounds or call lightning. If Gar casts cure wounds using this lair action, he regains the maximum number of hit points from the spell (28).Cold

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

Jarad Vod Savo

Monsters Guildmasters’ Guide to Ravnica

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

instead.Multiattack. Jarad makes two attacks: one with his Noxious Touch and one with his Staff of Svogthir. He can cast a spell with a casting time of 1 action in place of one of these attacks. Noxious Touch

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

Astral Projection Legacy

Spells Basic Rules (2014)

You and up to eight willing creatures within range project your astral bodies into the Astral Plane (the spell fails and the casting is wasted if you are already on that plane). The material body you

enter a new plane or return to the plane you were on when casting this spell, your body and possessions are transported along the silver cord, allowing you to re-enter your body as you enter the new

Find Greater Steed

Spells Xanathar's Guide to Everything

the mount. The mount disappears temporarily when it drops to 0 hit points or when you dismiss it as an action. Casting this spell again re-summons the bonded mount, with all its hit points restored

Find Steed Legacy

Spells Basic Rules (2014)

on your steed, you can make any spell you cast that targets only you also target your steed. When the steed drops to 0 hit points, it disappears, leaving behind no physical form. You can also

dismiss your steed at any time as an action, causing it to disappear. In either case, casting this spell again summons the same steed, restored to its hit point maximum. While your steed is within 1 mile

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

Auril (Third 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 Resurrection. When Auril drops to 0 hit points, her crystalline form shatters and

within the sphere is heavily obscured, and the sphere moves with Auril. The effect lasts until Auril drops to 0 hit points in this form, until she chooses to end the effect (no action required), or

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

Summon Lesser Demons

Spells Xanathar's Guide to Everything

;dretches, and you choose the unoccupied spaces you can see within range where they appear. A summoned demon disappears when it drops to 0 hit points or when the spell ends. The demons are hostile to

casting the spell, you can form a circle on the ground with the blood used as a material component. The circle is large enough to encompass your space. While the spell lasts, the summoned demons can

Summon Greater Demon

Spells Xanathar's Guide to Everything

demon appears in an unoccupied space you can see within range, and the demon disappears when it drops to 0 hit points or when the spell ends. Roll initiative for the demon, which has its own turns

rounds if it still has hit points. As part of casting the spell, you can form a circle on the ground with the blood used as a material component. The circle is large enough to encompass your space

Wish Legacy

Spells Basic Rules (2014)

instantly transport you to the presence of the item's current owner. The stress of casting this spell to produce any effect other than duplicating another spell weakens you. After enduring that stress

, each time you 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 drops

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

realm in the far north and, after a time, plunged it into frigid darkness using her magic. Casting such great magic night after night while also granting spells to her devoted followers leaves Auril

Keresta Delvingstone

Monsters Waterdeep: Dungeon of the Mad Mage

can choose to succeed instead. Misty Escape. When she drops to 0 hit points outside her resting place, Keresta transforms into a cloud of mist (as in the Shapechanger trait) instead of falling

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

Shield of the Hidden Lord

Magic Items Baldur’s Gate: Descent into Avernus

on its own. The pit fiend won’t reveal its true nature, referring to itself only as the Hidden Lord. It drops hints and subtle suggestions that it is an angel trapped in an unholy prison. If

(incorrectly) that it can break free of the shield if it’s brought to the Nine Hells, for it’s convinced that the shield’s powers are weaker there. Freeing Gargauth. Casting dispel

Nafas

Monsters Quests from the Infinite Staircase

Nafas drops to 0 hit points, his body disintegrates into a whirl of multiversal dust that surrounds one creature responsible for his demise. That creature then hears Nafas’s last wish: for the

normally follow casting the Wish spell to produce an effect other than duplicating another spell.Multiattack. Nafas makes three Storm Shamshir attacks and uses Create Vortex. Storm Shamshir. Melee

Wind Walk

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

Wind Walk 6th-level transmutation Casting Time: 1 minute Range: 30 feet Components: V, S, M (fire and holy water) Duration: 8 hours You and up to ten willing creatures you can see within range assume

actions a creature can take in this form are the Dash action or to revert to its normal form. Reverting takes 1 minute, during which time a creature is incapacitated and can’t move. Until the spell ends, a

3. Hungry Gnome

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

(svirfneblin) that speaks only Giant. Casting a successful dispel magic spell (DC 19) on the troll causes it to revert to its normal form. Xlorp also reverts to its normal form when its gnome form is

reduced to 0 hit points. It has full hit points in its troll form, but any excess damage from the attack that caused it to revert is carried over to that form. Xlorp follows the characters around if

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

Frostmaiden could not stay away for long. Auril returned to her icy realm in the far north and, after a time, plunged it into frigid darkness using her magic. Casting such great magic night after

Wind Walk

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

Wind Walk 6th-level transmutation Casting Time: 1 minute Range: 30 feet Components: V, S, M (fire and holy water) Duration: 8 hours You and up to ten willing creatures you can see within range assume

actions a creature can take in this form are the Dash action or to revert to its normal form. Reverting takes 1 minute, during which time a creature is incapacitated and can’t move. Until the spell ends, a

Strahd von Zarovich

Monsters Curse of Strahd

, except the damage he takes from sunlight. Legendary Resistance (3/Day). If Strahd fails a saving throw, he can choose to succeed instead. Misty Escape. When Strahd drops to 0 hit points outside his

destroyed. While he has 0 hit points in mist form, he can’t revert to his vampire form, and he must reach his coffin within 2 hours or be destroyed. Once in his coffin, he reverts to his vampire

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