before barrier devising count rounds

Fazrian

Monsters Waterdeep: Dungeon of the Mad Mage

(spell save DC 20). The planetar can innately cast the following spells, requiring no material components: At will: detect evil and good, invisibility (self only) 3/day each: blade barrier, dispel evil

death.Unless he is incapacitated, Fazrian can take one of the following lair actions on initiative count 20 (losing initiative ties) while on the Terminus Level: Blood flows from Fazrian's eyes until

Drow Mother of Rebellion

Monsters Mordenkainen Presents: Monsters of the Multiverse

action two rounds in a row: Perceive Interlopers. The drow projects her mind throughout her lair, marking any potential threats against her or her retinue. Until initiative count 20 of the next round

and using Charisma as the spellcasting ability (spell save DC 20): At will: command, dancing lights, detect magic, thaumaturgy 2/day each: banishment, blade barrier, cure wounds, hold person, plane

Merrenoloth Legacy

Monsters Mordenkainen’s Tome of Foes

merrenoloth can invoke its ability to take lair actions. On initiative count 20 (losing initiative ties), the merrenoloth can take one lair action to cause one of the following effects; it can't use the

same effect two rounds in a row: The ship regains 22 (4d10);{"diceNotation":"4d10","rollType":"healing","rollAction":"Lair Action"} hit points. A strong wind propels the ship, increasing its speed by

Zariel Legacy

Monsters Mordenkainen’s Tome of Foes

), detect evil and good, fireball, invisibility (self only), wall of fire 3/day each: blade barrier, dispel evil and good, finger of death Legendary Resistance (3/Day). If Zariel fails a saving throw

of all kinds crawl over the structure, ensuring that no intruders breach their defenses. Lair Actions. On initiative count 20 (losing initiative ties), Zariel can take a lair action to cause one of

Merrenoloth

Monsters Mordenkainen Presents: Monsters of the Multiverse

take the same lair action two rounds in a row: Gale. The air within 60 feet of the vessel is filled with wind. Until initiative count 20 on the next round, that area is difficult terrain, and when a

who forcefully boards their vessels.Lair Actions On initiative count 20 (losing initiative ties) while captaining a vessel, the merrenoloth can take one of the following lair actions; it can’t

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

","rollAction":"Take Lair Action"}. On a result of 11 or higher, the demilich takes a lair action to cause one of the following effects. It can’t use the same effect two rounds in a row. The tomb

Ancient Gold Dragon Legacy

Monsters Basic Rules (2014)

ancient ruins. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds

in a row: The dragon glimpses the future, so it has advantage on attack rolls, ability checks, and saving throws until initiative count 20 on the next round. One creature the dragon can see within

Adult Gold Dragon Legacy

Monsters Basic Rules (2014)

ruins. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row

: The dragon glimpses the future, so it has advantage on attack rolls, ability checks, and saving throws until initiative count 20 on the next round. One creature the dragon can see within 120 feet

Adult Red Dragon Legacy

Monsters Basic Rules (2014)

initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row: Magma erupts from a

cloud in a 20-foot-radius sphere centered on a point the dragon can see within 120 feet of it. The sphere spreads around corners, and its area is lightly obscured. It lasts until initiative count 20 on

Beholder Legacy

Monsters Monster Manual (2014)

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 initiative count 20 on the next round. Walls within 120 feet of the beholder sprout grasping appendages until initiative count 20 on the round

Drow Matron Mother

Monsters Mordenkainen Presents: Monsters of the Multiverse

and using Charisma as the spellcasting ability (spell save DC 20): At will: command, dancing lights, detect magic, thaumaturgy 2/day each: banishment, blade barrier, cure wounds, hold person, plane

is present. When two or more matron mothers gather within a temple of their goddess, none of them can use it as their lair. Lair Actions On initiative count 20 (losing initiative ties), the drow

Zariel

Monsters Mordenkainen Presents: Monsters of the Multiverse

evil and good, fireball, invisibility (self only), major image, wall of fire 3/day each: blade barrier, dispel evil and good, finger of death Teleport. Zariel teleports, along with any equipment

crawl over the structure, ensuring that no intruders breach their defenses. Lair Actions On initiative count 20 (losing initiative ties), Zariel can take one of the following lair actions; she can

Mummy Lord Legacy

Monsters Basic Rules (2014)

On initiative count 20 (losing initiative ties), the mummy lord takes a lair action to cause one of the following effects; the mummy lord can’t use the same effect two rounds in a row. Each

undead creature in the lair can pinpoint the location of each living creature within 120 feet of it until initiative count 20 on the next round. Each undead in the lair has advantage on saving throws

Diderius

Monsters Tyranny of Dragons

; the mummy lord can’t use the same effect two rounds in a row. Each undead creature in the lair can pinpoint the location of each living creature within 120 feet of it until initiative count 20

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

Ancient Red Dragon Legacy

Monsters Basic Rules (2014)

Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row: Magma

count 20 on the next round. Each creature that starts its turn in the cloud must succeed on a DC 13 Constitution saving throw or be poisoned until the end of its turn. While poisoned in this way, a

Death Tyrant Legacy

Monsters Monster Manual (2014)

the ambient magic to take lair actions. On initiative count 20 (losing initiative ties), the death tyrant can take one lair action to cause one of the following effects: An area that is a 50-foot

cube within 120 feet of the tyrant is filled with spectral eyes and tentacles. To creatures other than the death tyrant, that area is lightly obscured and difficult terrain until initiative count 20 on

Aerisi Kalinoth

Monsters Princes of the Apocalypse

-Bin isn’t, Aerisi can take lair actions and has a challenge rating of 9. On initiative count 20 (losing initiative ties), Aerisi uses a lair action to cast one of her spells, up to 3rd level

, without using components or a spell slot. She can’t cast the same spell two rounds in a row, although she can continue to concentrate on a spell she previously cast using a lair action. Aerisi can

Githzerai Anarch Legacy

Monsters Mordenkainen’s Tome of Foes

structures of any composition to serve as a foundation for a githzerai community. Lair Actions. An anarch can use lair actions. On initiative count 20 (losing initiative ties), the anarch can take a lair

action to cause one of the following effects; the anarch can’t use the same effect two rounds in a row: The anarch casts the lightning bolt spell (at 5th level), but the anarch can change the

Githzerai Anarch

Monsters Mordenkainen Presents: Monsters of the Multiverse

count 20 (losing initiative ties), the anarch can take one of the following lair actions; the anarch can’t take the same lair action two rounds in a row: Create Object. The anarch casts the

anarch remains within 1 mile of it (no action required). If the anarch dies, these effects end after 1d6;{"diceNotation":"1d6","rollType":"roll"} rounds. All formed substance becomes a chaotic churn

Vanifer

Monsters Princes of the Apocalypse

Actions If Vanifer is in the fire node while Imix isn’t, the tiefling can take lair actions and has a challenge rating of 12. On initiative count 20 (losing initiative ties), Vanifer uses a lair

action to cast one of her spells, up to 3rd level, without using components or a spell slot. She can’t cast the same spell two rounds in a row, although she can continue to concentrate on a

Adult Red Dracolich Legacy

Monsters Monster Manual (2014)

, telling the grim story of its life, the enemies it has slain, and the nations it has conquered. Lair Actions On initiative count 20 (losing initiative ties), the dracolich takes a lair action to cause

one of the following effects; the dracolich can’t use the same effect two rounds in a row: Magma erupts from a point on the ground the dracolich can see within 120 feet of it, creating a 20

Lich Legacy

Monsters Basic Rules (2014)

, 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 one of the following magical effects; the lich can’t use the same effect two rounds in a row: The lich rolls a d8;{"diceNotation":"1d8","rollType

Demogorgon

Monsters Mordenkainen Presents: Monsters of the Multiverse

underwater, in chill and darkened caverns. Lair Actions On initiative count 20 (losing initiative ties), Demogorgon can take one of the following lair actions; he can’t take the same lair action two

rounds in a row: Darkness. Demogorgon casts the darkness spell four times, targeting different areas with the spell. Demogorgon doesn’t need to concentrate on the spells, which end on

Adult Time Dragon

Monsters Planescape: Adventures in the Multiverse

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

lair actions; the ancient or adult dragon can’t take the same lair action two rounds in a row: Temporal Fling. The dragon attempts to fling a creature it can see within 60 feet of itself forward

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

initiative count 20 on the next round. Walls within 120 feet of the beholder sprout grasping appendages until initiative count 20 on the round after next. Each creature of the beholder's choice that

Pazrodine

Monsters The Book of Many Things

;s challenge rating is 22 (41,000 XP) when she’s encountered in Seelie Market. On initiative count 20 (losing initiative ties) while in her lair, Pazrodine can take one of the following lair

actions; she can’t take the same lair action two rounds in a row: Banish into Dream. Pazrodine targets a creature she can see within 120 feet of herself and attempts to send that creature to a

Arcturia

Monsters Waterdeep: Dungeon of the Mad Mage

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 one of the following magical effects; the lich can’t use the same effect two rounds in a row: The lich rolls a d8 and regains a spell

Gorka Tharn

Monsters Waterdeep: Dungeon of the Mad Mage

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

takes a lair action to cause one of the following effects; the mummy lord can’t use the same effect two rounds in a row. Each undead creature in the lair can pinpoint the location of each

Demogorgon Legacy

Monsters Out of the Abyss

following effects; Demogorgon can’t use the same effect two rounds in a row: Demogorgon creates an illusory duplicate of himself, which appears in his own space and lasts until initiative count 20

bulk of this palace extends deep underwater, in chill and darkened caverns. Lair Actions On initiative count 20 (losing initiative ties), Demogorgon can take a lair action to cause one of the

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row: Grasping roots and

dies. Magical fog billows around one creature the dragon can see within 120 feet of it. The creature must succeed on a DC 15 Wisdom saving throw or be charmed by the dragon until initiative count 20 on

Adult Black Dragon Legacy

Monsters Basic Rules (2014)

infest the lair, which is filled with the stench of death and decay. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects

; the dragon can’t use the same effect two rounds in a row: Pools of water that the dragon can see within 120 feet of it surge outward in a grasping tide. Any creature on the ground within 20

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

Action"}. On a result of 11 or higher, the demilich takes a lair action to cause one of the following effects. It can’t use the same effect two rounds in a row. The tomb trembles violently for

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds in a row: Grasping roots and vines

. Magical fog billows around one creature the dragon can see within 120 feet of it. The creature must succeed on a DC 15 Wisdom saving throw or be charmed by the dragon until initiative count 20 on the next

Valin Sarnaster

Monsters Candlekeep Mysteries

effects; Valin can’t use the same effect two rounds in a row. Each undead creature in the lair can pinpoint the location of each living creature within 120 feet of it until initiative count 20

Sarnaster’s Lair Valin can use her lair actions in any area of the tomb. Lair Actions On initiative count 20 (losing initiative ties), Valin takes a lair action to cause one of the following

Hierophant Medusa

Monsters The Book of Many Things

2/day: Mass Cure Wounds (cast at 8th level) 1/day each: Blade Barrier, Divination, Greater RestorationThe medusa can take 3 legendary actions, choosing from the options below. It can take only one

any medusa, including the hierophant medusa or the medusa in the Monster Manual. Lair Actions On initiative count 20 (losing initiative ties), the medusa can take one of the following lair actions

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