both before deals course rating

Vampire Infernalist

Monsters Astarion's Book of Hungers

. Running Water. The vampire takes 20 Acid damage if it ends its turn in running water. Stake to the Heart. If a weapon that deals Piercing damage is driven into the vampire’s heart while the

course it is. —Astarion on Vampire Infernalists Vampire Infernalist Lairs Vampire infernalists lurk in gloomy libraries or ritual chambers, far from the sun’s light. The region

Deva Legacy

Monsters Basic Rules (2014)

Angelic Weapons. The deva's weapon attacks are magical. When the deva hits with any weapon, the weapon deals an extra 4d8;{"diceNotation":"4d8","rollType":"damage","rollAction":"Angelic Weapons

"} hit points and is freed from any curse, disease, poison, blindness, or deafness. Change Shape. The deva magically polymorphs into a humanoid or beast that has a challenge rating equal to or less than

Duergar Hammerer

Monsters Mordenkainen Presents: Monsters of the Multiverse

Siege Monster. The hammerer deals double damage to objects and structures.Multiattack. The hammerer makes one Claw attack and one Hammer attack. Claw. Melee Weapon Attack: +5;{"diceNotation":"1d20+5

duergar are forced into the fusion by Underdark tyrants. Unless incapacitated, the duergar inside a machine can extricate themself from it over the course of a short rest, completing the process at the rest’s end.Poison

Wildspacer

Backgrounds Spelljammer: Adventures in Space

provided by magic) has disadvantage on the attack roll unless the weapon deals piercing damage. Movement. A creature can use an action to push off something heavier than itself and move up to its walking

, flying, or swimming speed in a straight line. The creature continues along this course, moving in a straight line at its speed on each of its turns until something stops it or changes its trajectory.

Sir Ursas

Monsters Infernal Machine Rebuild

. Brute. A melee weapon deals one extra die of its damage when Sir Ursas hits with it (included in his attack).Multiattack. Sir Ursas makes three melee attacks or two ranged attacks. Claw. Melee

granted to them by their diabolical masters, and are not meant to be claimed as treasure. If either agent is killed in the course of the adventure, their special equipment vanishes, returning to Bel or Zariel. Fire

Darkling Legacy

Monsters Volo's Guide to Monsters

advantage on the attack roll, the attack deals an extra 7 (2d6);{"diceNotation":"2d6","rollType":"damage","rollAction":"Dagger (Advantage)","rollDamageType":"piercing"} piercing damage.Ancient legends

absorbs over the course of its lifetime explodes outward when the darkling dies, incinerating the creature and much of its possessions. Love of Art. Despite their curse, darklings retain a fondness

Warforged Titan

Monsters Eberron: Rising from the Last War

feet of the warforged, they must use spears or weapons with reach and the target must be Large or larger. Siege Monster. The warforged titan deals double damage to objects and structures.Multiattack

age, then turned over to artificers working for the dragonmarked houses during the Last War. House Cannith studied these designs, and in the course of uncovering the secrets of the golems and the giant artificers who made them, House Cannith created the first warforged titans.Poison, Psychic

Darkling Elder Legacy

Monsters Volo's Guide to Monsters

":"1d6+3","rollType":"damage","rollAction":"Shortsword","rollDamageType":"piercing"} piercing damage. If the darkling elder had advantage on the attack roll, the attack deals an extra 10 (3d6

part of their body with clothing when exposure to light is a risk. The light a darkling absorbs over the course of its lifetime explodes outward when the darkling dies, incinerating the creature and

Portentia Dran

Monsters Acquisitions Incorporated

Sneak Attack (1/Turn). Portentia deals an extra 14 (4d6);{"diceNotation":"4d6","rollType":"roll","rollAction":"Sneak Attack"} damage when she hits a target with a weapon attack and has advantage on

","rollType":"damage","rollAction":"Shortsword","rollDamageType":"slashing"} slashing damage. Change Shape. Portentia magically polymorphs into a humanoid or beast that has a challenge rating equal to or less

Demilich Legacy

Monsters Monster Manual (2014)

. A demilich in its lair has a challenge rating of 20 (24,500 XP). Lair Actions On initiative count 20 (losing initiative ties), the demilich rolls a d20;{"diceNotation":"1d20","rollType":"roll

long as they aren’t used to leave or enter the tomb’s area. If the demilich is destroyed, these effects fade over the course of 10 days.Necrotic, Poison, Psychic; Bludgeoning, Piercing, and Slashing from Nonmagical AttacksBludgeoning, Piercing, and Slashing from Magic Weapons

Black Viper

Monsters Waterdeep: Dragon Heist

. Sneak Attack (1/Turn). The Black Viper deals an extra 14 (4d6);{"diceNotation":"4d6","rollType":"roll","rollAction":"Sneak Attack"} damage when she hits a target with a weapon attack and has

. When she throws back her cloak to reveal the costume she has put together, most folk toss their purses and flee. If that doesn't work, she usually needs only to draw her dagger. Of course, some of the

Beholder Legacy

Monsters Monster Manual (2014)

closing to melee range. A beholder encountered in its 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

natural surfaces and to nonmagical objects that aren’t on anyone’s person. If the beholder dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollAction":"Days","rollType":"roll"} days.

Ancient Time Dragon

Monsters Planescape: Adventures in the Multiverse

creatures have resistance to all damage it deals. On a successful save, the creature takes half as much damage only. A weakened creature can repeat the saving throw at the end of each of its turns, ending

challenge rating of an ancient or adult time dragon;adult time dragon increases by 1 when it’s encountered in its lair. Lair Actions On initiative count 20 (losing initiative ties), the

Ancient Copper Dragon Legacy

Monsters Basic Rules (2014)

at the end of each of its turns, ending the effect on itself with a successful save. Change Shape. The dragon magically polymorphs into a humanoid or beast that has a challenge rating no higher than

giggling. Even serious matters suddenly seem amusing. If the dragon dies, the magic carvings fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. The other effects end immediately.Acid

Death Tyrant Legacy

Monsters Monster Manual (2014)

it contains more trappings of death and decay. A death tyrant encountered in its lair has a challenge rating of 15 (13,000 XP). Lair Actions When fighting inside its lair, a death tyrant can invoke

’s lair, roll a d20 for that creature. On a roll of 10 or lower, the creature is subjected to one random eye ray of the tyrant. If the death tyrant dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollAction":"Days","rollType":"roll"} days.Poison

Priest of Osybus (Blazing)

Monsters Van Richten’s Guide to Ravenloft

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

hours or until the priest drops to 0 hit points. 3 Priest of Osybus (Vampiric);Vampiric. When the priest deals necrotic damage to any creature, the priest gains a number of temporary hit points

Ambitious Assassin

Monsters The Book of Many Things

;s a hidden thieves’ guildhall or a lavish manse. The lair is filled with clever defenses to disorient, weaken, and kill intruders. The villain’s challenge rating increases while the

to poison damage. If the villain dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days.

Priest of Osybus (Vampiric)

Monsters Van Richten’s Guide to Ravenloft

Vampiric Boon. When the priest deals necrotic damage to any creature, the priest gains a number of temporary hit points equal to half that necrotic damage. The priest’s speed also increases by

, while retaining its game statistics. This transformation lasts for 8 hours or until the priest drops to 0 hit points. 3 Priest of Osybus (Vampiric);Vampiric. When the priest deals necrotic

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

before, harmless slime might coat a statue, and so on. These effects apply only to natural surfaces and to nonmagical objects that aren't on anyone's person. If the beholder dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days.

Enchanting Infiltrator

Monsters The Book of Many Things

’s a hidden thieves’ guildhall or a lavish manse. The lair is filled with clever defenses to disorient, weaken, and kill intruders. The villain’s challenge rating increases while the

resistance to poison damage. If the villain dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days.

Adult Time Dragon

Monsters Planescape: Adventures in the Multiverse

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

(your choice). Timelessness. Beasts, Humanoids, and Plants within 3 miles of the lair age only 1 year for every 10 years that pass. If the dragon dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days.

Veiled Presence

Monsters The Book of Many Things

filled with clever defenses to disorient, weaken, and kill intruders. The villain’s challenge rating increases while the villain is in this lair: Veiled Presence. Challenge 22 (41,000 XP

members of the villain’s organization deal poison damage while within 3 miles of the lair, they ignore the target’s resistance to poison damage. If the villain dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days.Necrotic, Radiant

Priest of Osybus (Dread)

Monsters Van Richten’s Guide to Ravenloft

Osybus (Vampiric);Vampiric. When the priest deals necrotic damage to any creature, the priest gains a number of temporary hit points equal to half that necrotic damage. The priest’s speed also

, 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

retaining its game statistics. This transformation lasts for 8 hours or until the priest drops to 0 hit points. 3 Priest of Osybus (Vampiric);Vampiric. When the priest deals necrotic damage to any

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

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 flora and fauna return to normal levels, and its river dries out over the course of 1d10;{"diceNotation":"1d10","rollType":"roll","rollAction":"Regional Effect Fade Days"} days. All other effects

Otherworldly Corrupter

Monsters The Book of Many Things

kill intruders. The villain’s challenge rating increases while the villain is in this lair: Otherworldly Corrupter. Challenge 18 (20,000 XP) Lair Actions On initiative count 20 (losing

damage while within 3 miles of the lair, they ignore the target’s resistance to poison damage. If the villain dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType

Priest of Osybus (Deathly)

Monsters Van Richten’s Guide to Ravenloft

statistics. This transformation lasts for 8 hours or until the priest drops to 0 hit points. 3 Priest of Osybus (Vampiric);Vampiric. When the priest deals necrotic damage to any creature, 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

Staff of the Forgotten One

Magic Items Tomb of Annihilation

(History) checks is doubled. You can’t be blinded, charmed, deafened, frightened, petrified, or stunned. Undead with a challenge rating of 2 or lower will neither threaten nor attack you unless

you harm them. You can wield the staff as a quarterstaff, +3;+3 quarterstaff that deals an extra 10 (3d6) necrotic damage on a hit. Invoke Curse. The Staff of the Forgotten One has 7 charges and

Priest of Osybus (Ectoplasmic)

Monsters Van Richten’s Guide to Ravenloft

points. 3 Priest of Osybus (Vampiric);Vampiric. When the priest deals necrotic damage to any creature, the priest gains a number of temporary hit points equal to half that necrotic damage. The

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

Priest of Osybus (Spectral)

Monsters Van Richten’s Guide to Ravenloft

of Osybus (Vampiric);Vampiric. When the priest deals necrotic damage to any creature, the priest gains a number of temporary hit points equal to half that necrotic damage. The priest’s speed

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

Demilich (Variant) Legacy

Monsters Monster Manual (2014)

lair has a challenge rating of 23 (50,000 XP). Lair Actions On initiative count 20 (losing initiative ties), the demilich rolls a d20;{"diceNotation":"1d20","rollType":"roll","rollAction":"Take Lair

aren’t used to leave or enter the tomb’s area. If the demilich is destroyed, these effects fade over the course of 10 days.Necrotic, Poison, Psychic; Bludgeoning, Piercing, and Slashing from Nonmagical AttacksBludgeoning, Piercing, and Slashing from Magic Weapons

Fraz-Urb'luu Legacy

Monsters Out of the Abyss

hooks. Corkscrew towers loom above twisted domes and vast amphitheaters, just a few examples of the impossible architecture that fills the city. The challenge rating of Fraz-Urb’luu is 24

’luu dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Madness of Fraz-Urb’luu If a creature goes mad in Fraz-Urb’luu’s lair or

Aurnozci

Monsters The Book of Many Things

chapter 20 for details about this realm. The challenge rating of Aurnozci is 23 (50,000 XP) when it’s encountered in its lair. Lair Actions On initiative count 20 (losing initiative ties

conditions. If Aurnozci dies, these effects fade over the course of 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days.Acid, Fire, Poison; Bludgeoning, Piercing, and Slashing from Nonmagical AttacksCold, Lightning

Belashyrra

Monsters Eberron: Rising from the Last War

Alien Mind. If a creature tries to read Belashyrra’s thoughts or deals psychic damage to it, that creature must succeed on a DC 22 Intelligence saving throw or be stunned for 1 minute. The

, Belashyrra has a challenge rating of 23 (50,000 XP). Lair Actions. While within the Citadel of Lidless Eyes, Belashyrra can invoke the ambient magic to take lair actions. On initiative count 20 (losing

Juiblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

ooze at Juiblex’s command. Juiblex’s challenge rating is 24 (62,000 XP) when encountered in its lair. Lair Actions On initiative count 20 (losing initiative ties), Juiblex can take one

, which is slick and sticks to anything that touches it. If Juiblex dies, these effects fade over the course of 1d10;{"diceNotation":"1d10","rollType":"roll"} days. Cultists of Juiblex The Faceless

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