becomes both diffusing constructs rating

Ammunition of Slaying

Magic Items Dungeon Master’s Guide

creature, the ammunition becomes nonmagical. 1d100 Creature Type 01–10 Aberrations 11–15 Beasts 16–20 Celestials 21–25 Constructs 26

Spare the Dying Legacy

Spells Basic Rules (2014)

You touch a living creature that has 0 hit points. The creature becomes stable. This spell has no effect on undead or constructs.

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

":"Club","rollDamageType":"bludgeoning"} bludgeoning damage.To populate the demiplane without endangering any innocents, the Harpers created constructs out of wooden mannequins to act as villagers. Magic

Beholder Legacy

Monsters Monster Manual (2014)

minute. The target awakens if it takes damage or another creature takes an action to wake it. This ray has no effect on constructs and undead. Petrification Ray. The targeted creature must make a

becomes a pile of fine gray dust. If the target is a Large or smaller nonmagical object or creation of magical force, it is disintegrated without a saving throw. If the target is a Huge or larger

Conjure Elemental Legacy

Spells Basic Rules (2014)

You call forth an elemental servant. Choose an area of air, earth, fire, or water that fills a 10-foot cube within range. An elemental of challenge rating 5 or lower appropriate to the area you chose

broken, the elemental doesn't disappear. Instead, you lose control of the elemental, it becomes hostile toward you and your companions, and it might attack. An uncontrolled elemental can't be dismissed by

Conjure Fey Legacy

Spells Basic Rules (2014)

You summon a fey creature of challenge rating 6 or lower, or a fey spirit that takes the form of a beast of challenge rating 6 or lower. It appears in an unoccupied space that you can see within

defends itself from hostile creatures but otherwise takes no actions. If your concentration is broken, the fey creature doesn't disappear. Instead, you lose control of the fey creature, it becomes

Elder Oblex Legacy

Monsters Mordenkainen’s Tome of Foes

","rollDamageType":"psychic"} psychic damage and become memory drained until it finishes a short or long rest or until it benefits from the greater restoration or heal spell. Constructs, oozes, plants, and

drained beyond the first, the die size increases by one: the d4 becomes a d6, the d6 becomes a d8, and so on until the die becomes a d20, at which point the target becomes unconscious for 1 hour. The

Adult Oblex Legacy

Monsters Mordenkainen’s Tome of Foes

greater restoration or heal spell. Constructs, oozes, plants, and undead succeed on the save automatically. While memory drained, the target must roll a d4 and subtract the number rolled from any

ability check or attack roll it makes. Each time the target is memory drained beyond the first, the die size increases by one: the d4 becomes a d6, the d6 becomes a d8, and so on until the die becomes a

Memory Web

Monsters Quests from the Infinite Staircase

Intelligence saving throw. Constructs, Oozes, Plants, and Undead succeed on the save automatically. On a failed save, the target takes 5 (2d4);{"diceNotation":"2d4", "rollType":"damage", "rollAction":"Drain

Memories", "rollDamageType":"psychic"} psychic damage and becomes memory drained until it finishes a long rest or the memory web is destroyed. While memory drained, the target must roll a d4

Nagpa Legacy

Monsters Mordenkainen’s Tome of Foes

. On a failed save, the target is charmed by the nagpa until the start of the nagpa's next turn. On a successful save, the target becomes immune to the nagpa's Corruption for the next 24 hours. Paralysis

be paralyzed for 1 minute. A paralyzed target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Undead and constructs are immune to this effect

Death Tyrant Legacy

Monsters Monster Manual (2014)

and whether the cone is active. Any creature in that area can’t regain hit points. Any humanoid that dies there becomes a zombie under the tyrant’s command. The dead humanoid retains its

asleep and remain unconscious for 1 minute. The target awakens if it takes damage or another creature takes an action to wake it. This ray has no effect on constructs and undead. Petrification Ray

Malaxxix

Monsters The Book of Many Things

that attunes to one of Malaxxix’s cursed items becomes afflicted with the curse of Malaxxix. The curse enables Malaxxix to interact with the cursed creature in special ways: Scrying. Malaxxix

actions (see below) while astride the palanquin. When encountered on the palanquin, Malaxxix’s challenge rating is 19 (22,000 XP). The Unborn Palanquin The Unborn Palanquin is a wormlike

Elder Oblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

Memories", "rollDamageType":"psychic"} psychic damage and become memory drained until it finishes a short or long rest or until it benefits from the greater restoration or heal spell. Constructs, Oozes

memory drained beyond the first, the die size increases by one: the d4 becomes a d6, the d6 becomes a d8, and so on until the die becomes a d20, at which point the target becomes unconscious for 1 hour

True Polymorph Legacy

Spells Basic Rules (2014)

’t affected by this spell. Creature into Creature. If you turn a creature into another kind of creature, the new form can be any kind you choose whose challenge rating is equal to or less than

the target’s (or its level, if the target doesn’t have a challenge rating). The target’s game statistics, including mental ability scores, are replaced by the statistics of the new

Lich Legacy

Monsters Basic Rules (2014)

. Everything about a lich’s lair reflects its keen mind and wicked cunning, including the magic and mundane traps that secure it. Undead, constructs, and bound demons lurk in shadowy recesses

, emerging to destroy those who dare to disturb 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

Adult Oblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

", "rollDamageType":"psychic"} psychic damage and become memory drained until it finishes a short or long rest or until it benefits from the greater restoration or heal spell. Constructs, Oozes, Plants, and

drained beyond the first, the die size increases by one: the d4 becomes a d6, the d6 becomes a d8, and so on until the die becomes a d20, at which point the target becomes unconscious for 1 hour. The effect

Nagpa

Monsters Mordenkainen Presents: Monsters of the Multiverse

the nagpa until the start of the nagpa’s next turn. On a successful save, the target becomes immune to the nagpa’s Corruption for the next 24 hours. Paralysis (Recharge 6);{"diceNotation

":"1d6","rollType":"recharge","rollAction":"Paralysis"}. The nagpa forces each creature within 30 feet of it to make a DC 20 Wisdom saving throw, excluding Undead and Constructs. On a failed save, a

Kelek

Monsters The Wild Beyond the Witchlight

charges"} expended charges daily at dawn. If its last charge is expended, roll a d20;{"diceNotation":"1d20","rollType":"roll","rollAction":"Last charge expended"}; on a 1, the staff becomes a nonmagical

Defense to bolster his low Armor Class whenever possible, and his challenge rating is a reflection of the likelihood that he will use Fiery Explosion as often as he can. If one or more of his allies

Shield of the Uven Rune

Magic Items Waterdeep: Dungeon of the Mad Mage

items to be within 5 feet of each other. At the end, the shield is destroyed, and the rune is etched or burned into the chosen weapon. This weapon becomes a rare magic item that requires attunement. It

has the properties of a +1 weapon. The bonus increases to +3 when the weapon is used against one of the following creature types, chosen by you at the time of the magic weapon’s creation: aberrations, celestials, constructs, dragons, elementals, fey, fiends, giants, or undead.

Infernal Calling

Spells Xanathar's Guide to Everything

Uttering a dark incantation, you summon a devil from the Nine Hells. You choose the devil’s type, which must be one of challenge rating 6 or lower, such as a barbed devil or a bearded devil

fails, the devil becomes immune to your verbal commands for the duration of the spell, though it can still carry out your commands if it chooses. If your check succeeds, the devil carries out your

Arcturia

Monsters Waterdeep: Dungeon of the Mad Mage

and traps. Everything about a lich’s lair reflects its keen mind and wicked cunning, including the magic and mundane traps that secure it. Undead, constructs, and bound demons lurk in shadowy

recesses, emerging to destroy those who dare to disturb 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

Gar Shatterkeel

Monsters Princes of the Apocalypse

);{"diceNotation":"1d8","rollType":"damage","rollAction":"Drown","rollDamageType":"cold"} cold damage.In the Water Node When it becomes clear that the Temple of the Crushing Wave is no longer secure, Gar

can take lair actions and has a challenge rating of 13. On initiative count 20 (losing initiative ties), Gar uses a lair action to use his Multiattack or cast one of his spells, up to 3rd level

Ancient Brass Dragon Legacy

Monsters Basic Rules (2014)

damage or someone uses an action to wake it. Change Shape. The dragon magically polymorphs into a humanoid or beast that has a challenge rating no higher than its own, or back into its true form. It

through it. Whenever a creature with an Intelligence of 3 or higher comes within 30 feet of a water source within 1 mile of the dragon’s lair, the dragon becomes aware of the creature’s

Exethanter

Monsters Curse of Strahd

the magic and mundane traps that secure it. Undead, constructs, and bound demons lurk in shadowy recesses, emerging to destroy those who dare to disturb 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), Exethanter can take a lair action to cause one of the following magical effects

Priest of Osybus (Blazing)

Monsters Van Richten’s Guide to Ravenloft

visage becomes bone white, and its challenge rating increases by 1. It can cast animate dead and create undead once per day each, using Intelligence as the spellcasting ability, and it gains the

Blazing Boon. All fire damage it deals becomes necrotic damage. Illumination. The priest sheds either dim light in a 15-foot radius, or bright light in a 15-foot radius and dim light for an

Priest of Osybus (Dread)

Monsters Van Richten’s Guide to Ravenloft

"} force damage if it ends its turn inside a creature or an object. 6 Priest of Osybus (Deathly);Deathly. The priest’s visage becomes bone white, and its challenge rating increases by 1. It

, but it retains its Tattoo of Osybus trait, and all fire damage it deals becomes necrotic damage. The Tattoo of Osybus now appears carved into the skull’s forehead. 5 Priest of Osybus

Priest of Osybus

Monsters Van Richten’s Guide to Ravenloft

. 6 Priest of Osybus (Deathly);Deathly. The priest’s visage becomes bone white, and its challenge rating increases by 1. It can cast animate dead and create undead once per day each, using

deals becomes necrotic damage. The Tattoo of Osybus now appears carved into the skull’s forehead. 5 Priest of Osybus (Spectral);Spectral. The priest now appears wraithlike, and its

Valindra Shadowmantle Legacy

Monsters Tomb of Annihilation

reflects its keen mind and wicked cunning, including the magic and mundane traps that secure it. Undead, constructs, and bound demons lurk in shadowy recesses, emerging to destroy those who dare to disturb

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

Priest of Osybus (Deathly)

Monsters Van Richten’s Guide to Ravenloft

Osybus (Deathly);Deathly. The priest’s visage becomes bone white, and its challenge rating increases by 1. It can cast animate dead and create undead once per day each, using Intelligence as the

its flesh, and its skeleton crumbles away, leaving only its skull. Its stat block is replaced by that of a flameskull, but it retains its Tattoo of Osybus trait, and all fire damage it deals becomes

Priest of Osybus (Ectoplasmic)

Monsters Van Richten’s Guide to Ravenloft

replaced by that of a flameskull, but it retains its Tattoo of Osybus trait, and all fire damage it deals becomes necrotic damage. The Tattoo of Osybus now appears carved into the skull’s forehead

. 5 Priest of Osybus (Spectral);Spectral. The priest now appears wraithlike, and its challenge rating increases by 1. It gains resistance to all damage but force, radiant, and psychic, and it is

Priest of Osybus (Spectral)

Monsters Van Richten’s Guide to Ravenloft

":"force"} force damage if it ends its turn inside a creature or an object. 6 Priest of Osybus (Deathly);Deathly. The priest’s visage becomes bone white, and its challenge rating increases by

flameskull, but it retains its Tattoo of Osybus trait, and all fire damage it deals becomes necrotic damage. The Tattoo of Osybus now appears carved into the skull’s forehead. 5 Priest of

Priest of Osybus (Vampiric)

Monsters Van Richten’s Guide to Ravenloft

object. 6 Priest of Osybus (Deathly);Deathly. The priest’s visage becomes bone white, and its challenge rating increases by 1. It can cast animate dead and create undead once per day each

damage it deals becomes necrotic damage. The Tattoo of Osybus now appears carved into the skull’s forehead. 5 Priest of Osybus (Spectral);Spectral. The priest now appears wraithlike, and

Lorthuun

Monsters Out of the Abyss

lair has a challenge rating of 14 (11,500 XP). Lair Actions When fighting inside its lair, a beholder can invoke the ambient magic to take lair actions. On initiative count 20 (losing initiative

ties), the beholder can take one lair action to cause one of the following effects: A 50-foot square area of ground within 120 feet of the beholder becomes slimy; that area is difficult terrain until

Riverine

Monsters Journeys through the Radiant Citadel

along the river’s path—such as its source or a significant waterfall—can also be used as lairs by a riverine. A riverine encountered in its lair has a challenge rating of 13 (10,000 XP

. The riverine conjures swampy ground that briefly covers the ground in a 20-foot square the riverine can see within 120 feet of itself. That area becomes difficult terrain until initiative count

Adult Time Dragon

Monsters Planescape: Adventures in the Multiverse

its Time Breath. Until the weakened effect ends on the target, its speed becomes 0, and its speed can’t increase. Time Slip. The dragon halves the damage it takes from an attack made against it

their utmost to preserve these historical sites. A time dragon’s insatiable desire for knowledge means it’s likely to have more than one such lair. The challenge rating of an ancient time

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