before blinding days continues rating

Sammaster (Lich Form)

Monsters Forgotten Realms: Adventures in Faerûn

to dust. After 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Soul Gem"} days, he appears in the space of his soul gem, using the Sammaster (Dracolich Form) stat block. The gem is a

. He drew on the warped resurrection of dracoliches to become a lich himself. He continues to lead the Cult of the Dragon from the shadows, developing new ways to control and corrupt dragonkind

Sammaster (Dracolich Form)

Monsters Forgotten Realms: Adventures in Faerûn

until he is reduced to 0 Hit Points. If Sammaster is reduced to 0 Hit Points, his dracolich form dissolves to dust. After 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Soul Gem"} days

for his demise. He drew on the warped resurrection of dracoliches to become a lich himself. He continues to lead the Cult of the Dragon from the shadows, developing new ways to control and corrupt

Crown of Horns

Magic Items Forgotten Realms: Adventures in Faerûn

dying essence. Myrkul has since returned to become one of the Dead Three, and the Crown of Horns continues to further his gruesome will by seeking out mortal agents and gradually transforming them into

the course of 365 days. During that time, the transformation is purely cosmetic; these cosmetic changes slowly fade if you end Attunement to the crown before completing the transformation. When the

Coldlight Walker

Monsters Icewind Dale: Rime of the Frostmaiden

Blinding Light. The walker sheds bright light in a 20-foot radius and dim light for an additional 20 feet. As a bonus action, the walker can target one creature in its bright light that it can see

and force it to succeed on a DC 14 Constitution saving throw or be blinded until the start of the walker's next turn. Icy Doom. Any creature killed by the walker freezes for 9 days, during which time it

Diderius

Monsters Tyranny of Dragons

the start of his turn. Attack. Diderius makes one attack with his rotting fist or uses his Dreadful Glare. Blinding Dust. Blinding dust and sand swirls magically around the Diderius. Each creature

encountered in its lair has a challenge rating of 16 (15,000 XP). Lair Actions On initiative count 20 (losing initiative ties), the mummy lord takes a lair action to cause one of the following effects

Summon Greater Demon

Spells Xanathar's Guide to Everything

You utter foul words, summoning one demon from the chaos of the Abyss. You choose the demon’s type, which must be one of challenge rating 5 or lower, such as a shadow demon or a barlgura. The

throw if you say its true name. On a failed save, the demon continues to obey you. On a successful save, your control of the demon ends for the rest of the duration, and the demon spends its turns

Mummy Lord Legacy

Monsters Basic Rules (2014)

spent legendary actions at the start of its turn. Attack. The mummy lord makes one attack with its rotting fist or uses its Dreadful Glare. Blinding Dust. Blinding dust and sand swirls magically

rigged with traps. Hidden in this temple is the sarcophagus where a mummy lord keeps its greatest treasures. A mummy lord encountered in its lair has a challenge rating of 16 (15,000 XP). Lair Actions

Lich Legacy

Monsters Basic Rules (2014)

":"1d10","rollType":"roll","rollAction":"Days"} days, regaining all its hit points and becoming active again. The new body appears within 5 feet of the phylactery. Spellcasting. The lich is an 18th-level

, 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

Killmoulis

Monsters Mordenkainen's Fiendish Folio Volume 1

sore and cramped, as rocks or sharp sticks somehow end up under their bedrolls. Once a killmoulis is angered, it continues to tail a group and visit its curse upon them. Only an offering of fine food

and an earnest apology can sooth an angry killmoulis. Without that, these creatures hold a grudge against a group's rude behavior that can last for days.

Gorka Tharn

Monsters Waterdeep: Dungeon of the Mad Mage

mummy lord makes one attack with its rotting fist or uses its Dreadful Glare. Blinding Dust. Blinding dust and sand swirls magically around the mummy lord. Each creature within 5 feet of the mummy lord

mummy lord keeps its greatest treasures. A mummy lord encountered in its lair has a challenge rating of 16 (15,000 XP). Lair Actions On initiative count 20 (losing initiative ties), the mummy lord

Scion of Skoraeus

Monsters Bigby Presents: Glory of the Giants

inside it awakens. At nearly 70 feet tall, it towers over most other creatures and wields a mass of crystal as a club. Once awakened, the scion continues to pursue the art that ornamented its dreams

":"1d10", "rollType":"roll", "rollAction":"Days"} days. Scions of Giants’ Gods Giants are descended from the All-Father, Annam, and his children. But scions of giants’ gods boast a greater

Draconic Shard

Monsters Fizban's Treasury of Dragons

":"Days"} days, the gemstone dissipates and the shard re-forms, regaining all its hit points and appearing in the place the gemstone once occupied or in the nearest unoccupied space. Unusual Nature

. In this vessel, a draconic shard continues to pursue the interests and struggles that drove the dragon, perhaps even accompanying adventurers in the guise of an intelligent magic item and steering

Rak Tulkhesh

Monsters Eberron: Rising from the Last War

(spell save DC 24). He can innately cast the following spells, requiring no material components: At will: detect thoughts, dispel magic, spirit guardians 1/day each: banishing smite, blinding smite

Tulkhesh magically polymorphs into a humanoid, beast, or giant that has a challenge rating no higher than his own, or back into his true form. He reverts to his true form if he dies. Any equipment he

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 Green Dragon Legacy

Monsters Basic Rules (2014)

continues down its spine, reaching full height just behind the skull.The forest-loving green dragons sometimes compete for territory with black dragons in marshy woods and with white dragons in subarctic

1d10;{"diceNotation":"1d10","rollType":"roll"} days, they become mundane plants and normal difficult terrain, losing their thorns.Poison

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

Cradle of the Stone Scion

Monsters Bigby Presents: Glory of the Giants

scion continues to pursue the art that ornamented its dreams, seeking to mold and shape stone into beautiful elegance. If it needs more raw materials, the scion can transform a living creature in its

minerals, and existing moss dies within 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Days"} days. Scions of Giants’ Gods Giants are descended from the All-Father, Annam, and

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

presence and location. If the dragon dies, the tracks fade in 1d10;{"diceNotation":"1d10","rollType":"roll"} days, but the other effects fade immediately.Fire

Adult Silver Dragon Legacy

Monsters Basic Rules (2014)

turns, ending the effect on itself on a success. 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

its allies. Such creatures descend at a rate of 60 feet per round and take no falling damage. Given days or longer to work, the dragon can make clouds and fog within its lair as solid as stone, forming

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.

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.

Ancient Silver Dragon Legacy

Monsters Basic Rules (2014)

of its turns, ending the effect on itself on a success. 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

’s or its allies. Such creatures descend at a rate of 60 feet per round and take no falling damage. Given days or longer to work, the dragon can make clouds and fog within its lair as solid as stone

Adult Amethyst Dragon

Monsters Fizban's Treasury of Dragons

object dropped down one of the chimneys continues falling endlessly unless it or some outside force has the means to slow or stop it. This property of the lair vanishes after 1d10;{"diceNotation":"1d10

","rollType":"roll","rollAction":"Days"} days if the dragon dies. Upper Caves. The dragon most often sleeps in the largest upper chamber of the lair. The dragon’s hoard is divided between that

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.

Book of Exalted Deeds Legacy

Magic Items Dungeon Master’s Guide (2014)

in a blinding flash and is destroyed, leaving its possessions behind. Benefits granted by the Book of Exalted Deeds last only as long as you strive to do good. If you fail to perform at least one act

of kindness or generosity within the span of 10 days, or if you willingly perform an evil act, you lose all the benefits granted by the book. Random Properties The Book of Exalted Deeds has

Belashyrra

Monsters Eberron: Rising from the Last War

for 1 minute. The target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. 4. Blinding Ray. The target and each creature within 10 feet of it

, 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

Ancient Amethyst Dragon

Monsters Fizban's Treasury of Dragons

the lower level brings a creature to the upper level. A creature or object dropped down one of the chimneys continues falling endlessly unless it or some outside force has the means to slow or stop it

. This property of the lair vanishes after 1d10;{"diceNotation":"1d10","rollType":"roll","rollAction":"Days"} days if the dragon dies. Upper Caves. The dragon most often sleeps in the largest upper

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

treacherous of true dragons, green dragons use misdirection and trickery to get the upper hand against their enemies. A green dragon is recognized by the crest that begins near its eyes and continues down

;{"diceNotation":"1d10","rollType":"roll"} days, they become mundane plants and normal difficult terrain, losing their thorns.Poison

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

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

Imix

Monsters Princes of the Apocalypse

location. At first, effects are minor — grass turns brown, animals become listless, work and travel become very tiring. The longer Imix remains, the worse the heat becomes; after 5 days, crops

die and ponds dry up; after 10 days, unprotected livestock dies, and wells and small rivers dry up; after 20 days, large lakes and rivers are reduced in depth by 20 feet and shrink accordingly

Ancient Time Dragon

Monsters Planescape: Adventures in the Multiverse

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

area take 10 minutes or 2 hours (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.

Book of Vile Darkness Legacy

Magic Items Dungeon Master’s Guide (2014)

in the world. If you fail to perform at least one evil act within the span of 10 days, or if you willingly perform a good act, the book disappears. If you die while attuned to the book, an entity of

unearth a phrase hidden in the original text that, when translated to Celestial and spoken aloud, destroys both the speaker and the book in a blinding flash of radiance. However, as long as evil

Valindra Shadowmantle Legacy

Monsters Tomb of Annihilation

;{"diceNotation":"1d10","rollType":"roll","rollAction":"Rejuvenation"} days, regaining all its hit points and becoming active again. The new body appears within 5 feet of the phylactery. Spellcasting

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

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

":"roll", "rollAction":"Days"} days.PsychicChange Shape. The corrupter magically transforms into any creature that is Small or Medium, while retaining its game statistics (other than its size). This transformation ends if the corrupter is reduced to 0 hit points or uses a bonus action to end it.

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