border bones diffusing cause required

Staff of Thunder and Lightning

Magic Items Dungeon Master’s Guide

required). Thunder. When you hit with a melee attack using the staff, you can cause the staff to emit a crack of thunder audible out to 300 feet (no action required). The target you hit must succeed on a

is used, it can’t be used again until the next dawn. Lightning. When you hit with a melee attack using the staff, you can cause the target to take an extra 2d6 Lightning damage (no action

Grasping Vine

Spells Player’s Handbook

save DC). The vine can grapple only one creature at a time, and you can cause the vine to release a Grappled creature (no action required). As a Bonus Action on your later turns, you can repeat the

Mythallar Cloak

Magic Items Netheril’s Fall

cloak, you can take a Bonus Action and expend 1 charge to activate the cloak’s magic. The magic lasts for 1 minute or until you end it early (no action required). While the cloak’s magic

is active, you gain a Fly Speed of 30 feet and can hover. Additionally, once on each of your turns when you hit a creature with an attack roll and deal damage, you can cause the target to take an extra 1d4 Radiant damage. If you are aloft when the cloak’s magic ends, you fall.

Berbalang Legacy

Monsters Mordenkainen’s Tome of Foes

dismisses it (no action required). The duplicate has the same statistics and knowledge as the berbalang, and everything experienced by the duplicate is known by the berbalang. All damage dealt by the

gathering secrets, both from the gods they inhabit and from the bones of dead creatures, they call forth the spirits of the dead and force them to divulge what they learned in life. Speakers of the Dead

Berbalang

Monsters Mordenkainen Presents: Monsters of the Multiverse

Astral Plane. Obsessed with gathering secrets, both from the gods they inhabit and from the bones of dead creatures, they call forth the spirits of the dead and force them to divulge what they learned in

life. Berbalangs prefer to speak only to dead things, and specifically only to the spirits they call forth in the hope of learning secrets. They record their stories on the bones that once belonged

Meld

monsters

the Confusion spell (no Concentration required to maintain the spell). Etherealness. The meld cast the Etherealness spell, requiring no spell components and using Charisma as the spellcasting ability

. The meld is visible on the Material Plane while on the Border Ethereal and vice versa, but it can’t affect or be affected by anything on the other plane.A meld is formed from the faded souls of

Bone Whelk

Monsters Baldur’s Gate: Descent into Avernus

Adhesive. The bone whelk can cause Medium or smaller objects to adhere to it. A Medium or smaller creature that touches the bone whelk is grappled by it (escape DC 10). Death Scream. When the bone

"} to hit, reach 5 ft., one creature. Hit: 4 (1d8);{"diceNotation":"1d8","rollType":"damage","rollAction":"Bite","rollDamageType":"piercing"} piercing damage. Bone whelks are large mollusks that excrete an adhesive to attach skulls, bones, and other detritus to their bodies for protection.

Bone Knight

Monsters Eberron: Rising from the Last War

Commander of Bones. As a bonus action, the knight can target one skeleton or zombie it can see within 30 feet of it. The target must make a DC 14 Wisdom saving throw. On a failed save, the target

the Order of the Emerald Claw. Clad in distinctive bonecraft armor — heavy armor adorned with the bones of fallen enemies — these fearsome warriors command squads of undead soldiers as they pursue the

Ebondeath

Monsters Divine Contention

. Etherealness. Ebondeath enters the Ethereal Plane from the Material Plane, or vice versa. It is visible on the Material Plane while it is in the Border Ethereal, and vice versa, yet it can't affect or be

dragon's bones turned to dust.Cold, Necrotic, PoisonAcid, Fire, Lightning, Thunder; Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

Young Kruthik

Monsters Mordenkainen Presents: Monsters of the Multiverse

kruthiks in one area might cause the remaining hive members to move elsewhere. Although they can feed on carrion, kruthiks prefer live prey. They kill enemies by impaling them on their spiked limbs, then

grind up the flesh and bones with mandibles strong enough to chew rock. When several kruthiks gang up on a single foe, they become frenzied and even more lethal. Kruthiks abide the presence of

Dominate Monster Legacy

Spells Basic Rules (2014)

telepathic link to issue commands to the creature while you are conscious (no action required), which it does its best to obey. You can specify a simple and general course of action, such as "Attack that

do. During this time, you can also cause the creature to use a reaction, but this requires you to use your own reaction as well. Each time the target takes damage, it makes a new Wisdom saving throw

The Gardener

Monsters Quests from the Infinite Staircase

condition (escape DC 17). The vine vanishes when the target is no longer grappled, or when the Gardener wills it to (no action required). A creature reduced to 0 hit points by the vine has the

: Boundary. At the border of the domain is a lightly obscuring mist, tinged with a sweet blossom scent and the colors of sunset. No matter how far a creature travels into the mist, the creature finds

Kruthik Hive Lord

Monsters Mordenkainen Presents: Monsters of the Multiverse

warning and avoid areas where many other kruthiks have died. Slaying a sufficient number of kruthiks in one area might cause the remaining hive members to move elsewhere. Although they can feed on

carrion, kruthiks prefer live prey. They kill enemies by impaling them on their spiked limbs, then grind up the flesh and bones with mandibles strong enough to chew rock. When several kruthiks gang up on

Adult Kruthik

Monsters Mordenkainen Presents: Monsters of the Multiverse

kruthiks have died. Slaying a sufficient number of kruthiks in one area might cause the remaining hive members to move elsewhere. Although they can feed on carrion, kruthiks prefer live prey. They kill

enemies by impaling them on their spiked limbs, then grind up the flesh and bones with mandibles strong enough to chew rock. When several kruthiks gang up on a single foe, they become frenzied and even

Coiling Grasp Tattoo

Magic Items Tasha’s Cauldron of Everything

tattoo ends, the tattoo vanishes, and the needle reappears in your space. Grasping Tendrils. While the tattoo is on your skin, you can, as an action, cause the tattoo to extrude into inky tendrils

escape the grapple by succeeding on a DC 14 Strength (Athletics) or Dexterity (Acrobatics) check. The grapple also ends if you halt it (no action required), if the creature is ever more than 15 feet away from you, or if you use this tattoo on a different creature.

Demilich Legacy

Monsters Monster Manual (2014)

the demilich’s skull and the dust from its other bones. In its crypt, a demilich has access to lair actions and additional uses for its legendary actions. Its whole lair also has unique traits

","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

Elkhorn

Monsters The Wild Beyond the Witchlight

has urged Elkhorn to retire, but the old dwarf stubbornly refuses to do so. Alignment. Lawful good. Personality Trait. “As long as I have the strength in my bones to fight evil, that is what I

. (The other members, who do not appear in this adventure, are busy elsewhere.) Strongheart is always on the lookout for courageous heroes who are willing to devote themselves to a good cause. Only good

Aboleth Legacy

Monsters Basic Rules (2014)

. On initiative count 20 (losing initiative ties), the aboleth takes a lair action to cause one of the following effects: The aboleth casts phantasmal force (no components required) on any number

Ancient Black Dragon Legacy

Monsters Basic Rules (2014)

ferment. The lair is littered with the acid-pitted bones of previous victims and the fly-ridden carcasses of fresh kills, watched over by crumbling statues. Centipedes, scorpions, and snakes 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

Dominate Beast Legacy

Spells Basic Rules (2014)

link to issue commands to the creature while you are conscious (no action required), which it does its best to obey. You can specify a simple and general course of action, such as "Attack that creature

. During this time, you can also cause the creature to use a reaction, but this requires you to use your own reaction as well. Each time the target takes damage, it makes a new Wisdom saving throw against

Dominate Person Legacy

Spells Basic Rules (2014)

link to issue commands to the creature while you are conscious (no action required), which it does its best to obey. You can specify a simple and general course of action, such as "Attack that

. During this time you can also cause the creature to use a reaction, but this requires you to use your own reaction as well. Each time the target takes damage, it makes a new Wisdom saving throw

Demilich (Variant) Legacy

Monsters Monster Manual (2014)

disturb their lairs. Demilich The immortality granted to a lich lasts only as long as it feeds mortal souls to its phylactery. If it falters or fails in that task, its bones turn to dust until only

skull and the dust from its other bones. In its crypt, a demilich has access to lair actions and additional uses for its legendary actions. Its whole lair also has unique traits. A demilich in its

Adult Black Dragon Legacy

Monsters Basic Rules (2014)

can ferment. The lair is littered with the acid-pitted bones of previous victims and the fly-ridden carcasses of fresh kills, watched over by crumbling statues. Centipedes, scorpions, and snakes

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

Healing Spirit

Spells Xanathar's Guide to Everything

choice). Until the spell ends, whenever you or a creature you can see moves into the spirit’s space for the first time on a turn or starts its turn there, you can cause the spirit to restore 1d6

hit points to that creature (no action required). The spirit can’t heal constructs or undead. The spirit can heal a number of times equal to 1 + your spellcasting ability modifier (minimum

Nurvureem

Monsters Princes of the Apocalypse

its victims can ferment. The lair is littered with the acid-pitted bones of previous victims and the fly-ridden carcasses of fresh kills, watched over by crumbling statues. Centipedes, scorpions, and

snakes 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

Githzerai Anarch Legacy

Monsters Mordenkainen’s Tome of Foes

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

Limbo and brought to the Material Plane for as long as the anarch remains within 1 mile of it (no action required). If the anarch dies, these effects end after 1d6;{"diceNotation":"1d6","rollType

Storm Giant Quintessent Legacy

Monsters Volo's Guide to Monsters

can take a lair action to cause one of the following effects; the giant can't use the same effect two rounds in a row: The giant creates a thunderclap centered on a point anywhere in its lair. Each

within water) centered on a point anywhere in its lair. The sphere spreads around corners, and its area is heavily obscured. The fog lasts until the giant disperses it (no action required), and it can't

Reduced-threat Aboleth

Monsters Tales from the Yawning Portal

, an aboleth can invoke the ambient magic to take lair actions. On initiative count 20 (losing initiative ties), the aboleth takes a lair action to cause one of the following effects: The aboleth

casts phantasmal force (no components required) on any number of creatures it can see within 60 feet of it. While maintaining concentration on this effect, the aboleth can’t take other lair actions

Mighty Servant of Leuk-o

Magic Items Tasha’s Cauldron of Everything

(for either attuned creature), you can command it in the following ways: Open or close the hatch (no action required, once per turn) Move the servant up to its speed (no action required) As an

soul of the mighty warlord Leuk-o was drawn into the artifact and has become its animating force. The servant has been known to attack or move of its own accord, particularly if doing so will cause

Elder Brain Legacy

Monsters Volo's Guide to Monsters

mind once it is no longer incapacitated, and the elder brain can terminate the link at any time (no action required). The target can use an action on its turn to attempt to break the psychic link

Actions When fighting inside its lair, an elder brain can use lair actions. On initiative count 20 (losing initiative ties), an elder brain can take one lair action to cause one of the following

Morkoth Legacy

Monsters Volo's Guide to Monsters

to take lair actions. On initiative count 20 (losing initiative ties), the morkoth takes a lair action to cause one of the effects described below: The morkoth uses its Hypnosis action, originating

it takes damage. With a thought (no action required), the morkoth can initiate a change in the water within its lair that takes effect 1 minute later. The water can be as breathable and clear as air

Halaster Blackcloak

Monsters Waterdeep: Dungeon of the Mad Mage

(losing initiative ties), Halaster takes a lair action to cause one of the following effects: Halaster targets a volume of unoccupied space or solid stone no larger than four 10-foot cubes within 30

was in its space. The eye can’t be harmed or dispelled, but it winks out within an antimagic field. A scrying eye lasts until Halaster ends the effect (no action required). A minor illusory

Dyrrn

Monsters Eberron: Rising from the Last War

horrid site shaped from the leftover flesh and bones of the daelkyr’s sculpting. The walls of the palace undulate as air flows through them, as if the space were breathing. Lair Actions. While

within the Palace of Sinew, Dyrrn can invoke the ambient magic to take lair actions. On initiative count 20 (losing initiative ties), Dyrrn can take a lair action to cause one of the following effects; it

Baernaloth

Monsters Planescape: Adventures in the Multiverse

Gray Wastes of Hades. Their gray, desiccated skin stretches over their bones, and their heads resemble horned equine skulls with ember-like eyes. Sages endlessly debate the nature of baernaloths, and

wounded foes alive, sometimes indefinitely, to prolong their suffering. Even striking against a baernaloth brings misery—they can cause an attacker’s old wounds to painfully reopen. All the

Dekella, Bident of Thassa

Magic Items Mythic Odysseys of Theros

cold damage. Blessing of the Deep. If you are a worshiper of Thassa, you gain all the following benefits for which you have the required piety: Piety 10+. You can breathe underwater, and you gain a

within 1 mile of you, creating strong winds and heavy rain that cause violent waves (see “Weather at Sea” in chapter 5 of the Dungeon Master’s Guide) or calming a storm. In either

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