both before decreases cast revert

Blue Slaad

Monsters Monster Manual

. Failure: The target is cursed. The cursed target can’t regain Hit Points, and its Hit Point maximum decreases by 10 (3d6);{"diceNotation":"3d6", "rollType":"roll", "rollAction":"Mutating Claw"} after

instantly transforms into a Red Slaad or, if it can cast spells of level 3 or higher, a Green Slaad. Only a Wish spell can reverse this transformation.Acid, Cold, Fire, Lightning, Thunder

Night 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

Intelligence as the spellcasting ability (spell save DC 14): Augury, Find Familiar, Identify, Locate Object, Scrying, or Unseen Servant. The hag must finish a Long Rest before using this trait to cast

Cauldron of Rebirth

Magic Items Dungeon Master’s Guide

This Tiny pot bears relief scenes of heroes on its cast-iron sides. You can use the cauldron as a Spellcasting Focus for your spells, and it functions as a suitable component for the Scrying spell

. 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

Death Knight

Monsters Monster Manual

turns. Dread Authority. The death knight uses Spellcasting to cast Command. The death knight can’t take this action again until the start of its next turn. Fell Word. Constitution Saving Throw

the target’s Hit Point maximum decreases by an amount equal to the damage taken. Failure or Success: The death knight can’t take this action again until the start of its next turn. Lunge. The death knight moves up to half its Speed, and it makes one Dread Blade attack.Necrotic, Poison

Demilich

Monsters Monster Manual

its Hit Points in 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Undead Restoration"} days unless a Wish spell is cast on its remains.Multiattack. The demilich makes three Necrotic Burst

Throw: DC 19, one creature the demilich can see within 120 feet. Failure: The target’s Hit Point maximum decreases by 14 (4d6);{"diceNotation":"4d6", "rollType":"roll", "rollAction":"Energy Drain

Book of Vile Darkness

Magic Items Dungeon Master’s Guide

by any means while your soul remains imprisoned. Adjusted Ability Scores. One ability score of your choice increases by 2, to a maximum of 24. Another ability score of your choice decreases by 2, to

attuned to the book, you can cast the following spells (save DC 18) from it: Animate Dead Circle of Death Dominate Monster Finger of Death Once you use the book to cast a spell, you can’t

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

Wish

Spells Player’s Handbook

for 2d4 days. For each of those days that you spend resting and doing nothing more than light activity, your remaining recovery time decreases by 2 days. Finally, there is a 33 percent chance that you are unable to cast Wish ever again if you suffer this stress.

Wish is the mightiest spell a mortal can cast. By simply speaking aloud, you can alter reality itself. The basic use of this spell is to duplicate any other spell of level 8 or lower. If you use it

Archdruid Legacy

Monsters Volo's Guide to Monsters

form. The archdruid reverts to its true form if it dies or falls unconscious. The archdruid can revert to its true form using a bonus action on its turn. While in a new form, the archdruid retains its

reactions (except class features, legendary actions, and lair actions) that the new form has but that it lacks. It can cast its spells with verbal or somatic components in its new form. The new form

Wyllow

Monsters Waterdeep: Dungeon of the Mad Mage

falls to the ground, melds with her new form, or is worn by the new form. Wyllow reverts to her true form if she dies or falls unconscious. Wyllow can revert to her true form using a bonus action on her

senses, proficiencies, traits, actions, and reactions (except class features, legendary actions, and lair actions) that the new form has but that she lacks. She can cast her spells with verbal or

Drow Arachnomancer Legacy

Monsters Mordenkainen’s Tome of Foes

Change Shape (Recharges after a Short or Long Rest). The drow can use a bonus action to magically polymorph into a giant spider, remaining in that form for up to 1 hour. It can revert to its true

form as a bonus action. Its statistics, other than its size, are the same in each form. It can speak and cast spells while in giant spider form. Any equipment it is wearing or carrying in humanoid form

Amble

Monsters Locathah Rising

their new form. Amble reverts to their true form if they die or fall unconscious. Amble can revert to their true form using a bonus action on their turn. Amble's game statistics are replaced by the

dropping to 0 hit points, any excess damage carries over their normal form. Amble can't cast spells, and their ability to speak or take any action that requires hands is limited to the capabilities of

Mummy Lord Legacy

Monsters Basic Rules (2014)

, and its hit point maximum decreases by 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Rotting Fist"} for every 24 hours that elapse. If the curse reduces the target's hit point maximum

against effects that turn undead until initiative count 20 on the next round. Until initiative count 20 on the next round, any non-undead creature that tries to cast a spell of 4th level or lower in

Warrior's Passkey

Magic Items The Book of Many Things

This silver skeleton key is warm to the touch. While holding the key in its key form, you can use an action to cast the Knock spell from the key. Transforming the Key. While holding the key, you can

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.

Syndra Silvane

Monsters Tomb of Annihilation

save DC 17, +9;{"diceNotation":"1d20+9","rollType":"spell","rollAction":"Spellcasting"} to hit with spell attacks). Syndra can cast disguise self and invisibility at will and has the following wizard

spells on herself before combat. Death Curse. Syndra’s hit point maximum has been reduced to 79 by the Soulmonger’s death curse, and it decreases by 1 every midnight. If her hit point

Diderius

Monsters Tyranny of Dragons

decreases by 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Rotting Fist"} for every 24 hours that elapse. If the curse reduces the target’s hit point maximum to 0, the target

, any non-undead creature that tries to cast a spell of 4th level or lower in the mummy lord’s lair is wracked with pain. The creature can choose another action, but if it tries to cast the spell

Dusk Hag

Monsters Eberron: Rising from the Last War

Innate Spellcasting. The hag's spellcasting ability is Charisma (spell save DC 15). She can innately cast the following spells, requiring no material components: At will: detect magic, disguise self

and is cursed until the hag dies or the curse is removed. The cursed creature's hit point maximum decreases by 5 (1d10);{"diceNotation":"1d10","rollType":"roll","rollAction":"Nightmare Touch"} whenever

Vampire Warrior Legacy

Monsters Monster Manual (2014)

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

twisted and thorny. Shadows cast within 500 feet of the lair seem abnormally gaunt and sometimes move as though alive. A creeping fog clings to the ground within 500 feet of the vampire's lair. The fog

Vampire Legacy

Monsters Basic Rules (2014)

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

noticeable increase in the populations of bats, rats, and wolves in the region. Plants within 500 feet of the lair wither, and their stems and branches become twisted and thorny. Shadows cast within 500 feet

Vampire Spellcaster Legacy

Monsters Monster Manual (2014)

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

. Shadows cast within 500 feet of the lair seem abnormally gaunt and sometimes move as though alive. A creeping fog clings to the ground within 500 feet of the vampire's lair. The fog occasionally takes

Cauldron of Rebirth Legacy

Magic Items Tasha’s Cauldron of Everything

This Tiny pot bears relief scenes of heroes on its cast iron sides. You can use the cauldron as a spellcasting focus for your spells, and it functions as a suitable component for the scrying spell

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

Gorka Tharn

Monsters Waterdeep: Dungeon of the Mad Mage

, and its hit point maximum decreases by 10 (3d6);{"diceNotation":"3d6","rollType":"roll","rollAction":"Rotting Fist"} for every 24 hours that elapse. If the curse reduces the target's hit point maximum

next round. Until initiative count 20 on the next round, any non-undead creature that tries to cast a spell of 4th level or lower in the mummy lord’s lair is wracked with pain. The creature

Valin Sarnaster

Monsters Candlekeep Mysteries

succeed on a DC 16 Constitution saving throw or be cursed with mummy rot. The cursed target can’t regain hit points, and its hit point maximum decreases by 10 (3d6);{"diceNotation":"3d6

, any non-undead creature that tries to cast a spell of 4th level or lower in Valin’s lair is wracked with pain. The creature can choose another action, but if it tries to cast the spell, it must

Wish Legacy

Spells Basic Rules (2014)

to 3, if it isn't 3 or lower already, for 2d4 days. For each of those days that you spend resting and doing nothing more than light activity, your remaining recovery time decreases by 2 days. Finally, there is a 33 percent chance that you are unable to cast wish ever again if you suffer this stress.

Wish is the mightiest spell a mortal creature can cast. By simply speaking aloud, you can alter the very foundations of reality in accord with your desires. The basic use of this spell is to

Zorak Lightdrinker

Monsters Waterdeep: Dungeon of the Mad Mage

, 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

stems and branches become twisted and thorny. Shadows cast within 500 feet of the lair seem abnormally gaunt and sometimes move as though alive. A creeping fog clings to the ground within 500 feet of the

Book of Vile Darkness Legacy

Magic Items Dungeon Master’s Guide (2014)

reading and studying the book, one ability score of your choice increases by 2, to a maximum of 24. Another ability score of your choice decreases by 2, to a minimum of 3. The book can’t adjust your

made to interact with non-evil creatures. Command Evil. While you are attuned to the book and holding it, you can use an action to cast the dominate monster spell on an evil target (save DC 18). You

Figurine of Wondrous Power Legacy

Magic Items Basic Rules (2014)

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

up to 12 hours. Once it has been used, it can't be used again until 2 days have passed. While in raven form, the figurine allows you to cast the animal messenger spell on it at will.

Wild Shape

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

8th 1 — Giant eagle You can stay in a beast shape for a number of hours equal to half your druid level (rounded down). You then revert to your normal form unless you expend another use of this feature

. You can revert to your normal form earlier by using a bonus action on your turn. You automatically revert if you fall unconscious, drop to 0 hit points, or die. While you are transformed, the

Wild Shape

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

1 — Giant eagle You can stay in a beast shape for a number of hours equal to half your druid level (rounded down). You then revert to your normal form unless you expend another use of this feature

. You can revert to your normal form earlier by using a bonus action on your turn. You automatically revert if you fall unconscious, drop to 0 hit points, or die. While you are transformed, the following

Prehistoric Figurines of Wondrous Power

Magic Items Bigby Presents: Glory of the Giants

;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

up to 12 hours and can be ridden as a mount. Once it has been used, it can’t be used again until 4 days have passed. While you are riding the plesiosaurus, you can use it to cast water breathing at will.

Doppelganger

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

use an action to do either of the following at will: I can innately cast detect thoughts, requiring no components. My spellcasting ability is Intelligence. The spell’s Wisdom save DC is 8 + my

proficiency bonus + my Intelligence modifier. I can polymorph into any humanoid I have seen or back into my true form. My statistics, other than my size, don’t change. Any equipment I’m wearing or carrying isn’t transformed. I revert to my true form when I die.

Book of Vile Darkness (Variant)

Magic Items Keys from the Golden Vault

to the book, you can cast circle of death (save DC 20) from it as an action. After you cast the spell, roll a d6. On a roll of 1–5, you can’t use this property again until the next dawn

, one ability score of your choice increases by 2, to a maximum of 24. Another ability score of your choice decreases by 2, to a minimum of 3. The book can’t adjust your ability scores again

Cauldron of Rebirth

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

Cauldron of Rebirth Wondrous item, very rare (requires attunement by a druid or warlock) This Tiny pot bears relief scenes of heroes on its cast iron sides. You can use the cauldron as a spellcasting

for 24 hours, then loses its magic if not consumed. As an 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

Strahd von Zarovich

Monsters Curse of Strahd

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

curse spell cast on the target restores its natural shadow, but only if its undead shadow has been destroyed. Necrotic; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

Cauldron of Rebirth

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

Cauldron of Rebirth Wondrous Item, Very Rare (Requires Attunement by a Druid or Warlock) This Tiny pot bears relief scenes of heroes on its cast-iron sides. You can use the cauldron as a Spellcasting

within. You can revert the cauldron to its normal size as a Magic action, harmlessly shunting anything that can’t fit inside to the nearest unoccupied space. If you place the corpse of a Humanoid into

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