cause remaining granting to have 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

Bigby's Hand

Spells Player’s Handbook

the spell and as a Bonus Action on your later turns, you can move the hand up to 60 feet and then cause one of the following effects: Clenched Fist. The hand strikes a target within 5 feet of it

saving throw, or the hand pushes the target up to 5 feet plus a number of feet equal to five times your spellcasting ability modifier. The hand moves with the target, remaining within 5 feet of it

Helm of Brilliance

Magic Items Dungeon Master’s Guide

to cause one weapon you are holding to burst into flames. The flames emit Bright Light in a 10-foot radius and Dim Light for an additional 10 feet. The flames are harmless to you and the weapon. When

. Taking Fire Damage. Roll 1d20 if you are wearing the helm and take Fire damage as a result of failing a saving throw against a spell. On a roll of 1, the helm emits beams of light from its remaining gems

Pech

Monsters Quests from the Infinite Staircase

incapacitated condition and must have at least one use of Communal Spellcasting remaining, which it must immediately expend to participate (no action required). Stone Shape (3/Day). The pech casts Stone

Dimensional Loop

Magic Items Acquisitions Incorporated

. Dimensional Cloak. As a bonus action, you send your body out of phase with the material world for 1 minute, granting you advantage on Dexterity (Stealth) checks made to hide, and imposing disadvantage on

required). You treat that space as if it were within 5 feet of you until the end of your turn. This allows you to move immediately to that space without provoking opportunity attacks, or to interact with

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

Orcus Legacy

Monsters Out of the Abyss

multiverse transformed into a vast necropolis populated solely by undead creatures under his command. Orcus rewards those who spread death in his name by granting them a small portion of his power

action to cause one of the following effects; he can’t use the same effect two rounds in a row: Orcus’s voice booms throughout the lair. His utterance causes one creature of his choice to

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

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.

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

Steel Predator

Monsters Mordenkainen Presents: Monsters of the Multiverse

bounds away in search of its prey. It senses the location of its target across planar boundaries, but such detection is accurate only to within a thousand yards; to close the remaining distance, the steel

can be used in another steel predator. Battle damage can cause this instinct to fail, however, in which case the steel predator lingers in the area, hunting and killing other creatures that resemble

Fractine

Monsters Monstrous Compendium Vol. 1: Spelljammer Creatures

half as much damage. Split. When a Large fractine that has at least 10 hit points remaining takes bludgeoning, piercing, slashing, or thunder damage from any source, it splits into two Medium fractines

surfaces substituting for the mirror needed to cast certain divination spells. While being used in this way, the fractine siphons magical energy from the spellcaster—not enough to cause harm

Robot Controller

Equipment

the device gives the device 3 charges. As an action while holding this device, you can expend 1 of its charges to cause one of the following effects: Control. One Construct of your choice within 60

turns, ending the effect on itself on a success. Replacing the Energy Cell. While the device has charges remaining, its energy cell can’t be removed. Once the device has 0 charges, you can replace the energy cell with a new cell by using an action or a bonus action.

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

Auril (Third Form)

Monsters Icewind Dale: Rime of the Frostmaiden

within the sphere is heavily obscured, and the sphere moves with Auril. The effect lasts until Auril drops to 0 hit points in this form, until she chooses to end the effect (no action required), or

using her magic. Casting such great magic night after night while also granting spells to her devoted followers leaves Auril weak and vulnerable. In her self-inflicted weakened state, Auril is inclined

Temple of the Gods

Spells Xanathar's Guide to Everything

You cause a temple to shimmer into existence on ground you can see within range. The temple must fit within an unoccupied cube of space, up to 120 feet on each side. The temple remains until the

enclosed by a floor, walls, and a roof, with one door granting access to the interior and as many windows as you wish. Only you and any creatures you designate when you cast the spell can open or close

Arcturia

Monsters Waterdeep: Dungeon of the Mad Mage

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

takes the remaining damage. This tether lasts until initiative count 20 on the next round or until the lich or the target is no longer in the lich’s lair. The lich calls forth the spirits of

Orcus

Monsters Mordenkainen Presents: Monsters of the Multiverse

into a vast necropolis populated solely by Undead creatures under his command. Orcus rewards those who spread death in his name by granting them a small portion of his power. The least of these

or until Orcus releases them (no action required). Undead Servants. Orcus causes up to six corpses within the lair to rise as skeleton;skeletons, zombie;zombies, or ghoul;ghouls (all appear in the

Exethanter

Monsters Curse of Strahd

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

remaining damage. This tether lasts until initiative count 20 on the next round or until Exethanter or the target is no longer in the Exethanter’s lair. Exethanter calls forth the spirits of

Valindra Shadowmantle

Monsters Tomb of Annihilation

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

damage, the target must make a DC 18 Constitution saving throw. On a failed save, the lich takes half the damage (rounded down), and the target takes the remaining damage. This tether lasts until

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

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

Baphomet Legacy

Monsters Out of the Abyss

, populated by minotaur;minotaurs, goristro;goristros, and quasit;quasits. Lair Actions On initiative count 20 (losing initiative ties), Baphomet can take a lair action to cause one of the following

reversed within that room. Any creatures or objects in the room when this happens fall in the direction of the new pull of gravity, unless they have some means of remaining aloft. Baphomet can ignore the

Olhydra

Monsters Princes of the Apocalypse

uses her lair action to cause one of the following effects: Pools of water in the lair surge outward in a grasping tide. Any creature within 20 feet of such a pool must succeed on a DC 20 Strength

attempts to leave the area, remaining frightened while within it. On a failure, the creature becomes highly aggressive and remains in the area for 24 hours. While in this state, the creature gains advantage

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

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

Demogorgon Legacy

Monsters Out of the Abyss

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

of the next round. On his turn, Demogorgon can move the illusory duplicate a distance equal to his walking speed (no action required). The first time a creature or object interacts physically with

Arasta

Monsters Mythic Odysseys of Theros

addition, Arasta’s children immediately swarm over her body to protect her, granting her 100 temporary hit points. Legendary Resistance (3/Day). If Arasta fails a saving throw, she can choose to

count 20 (losing initiative ties), Arasta can take a lair action to cause one of the following effects. She can’t use the same effect two rounds in a row. Arasta learns about any creature

Belashyrra

Monsters Eberron: Rising from the Last War

minute or until the target takes damage. Belashyrra can issue telepathic commands to the charmed creature (no action required), which it does its best to obey. 3. Mind-Weakening Ray. The target must

initiative ties), Belashyrra can take a lair action to cause one of the following effects; it can’t use the same effect two rounds in a row: An eye opens on a solid surface within 60 feet of

Teeth of Dahlver-Nar

Magic Items Tasha’s Cauldron of Everything

, you can use your reaction to cause them to be hit instead. You can’t use this reaction again until you finish a short or long rest. 4 The Mill Road Murders (halfling canine) 3 green hag

Dooms of the Malpheggi (emerald lizardfolk fang) 1 Lizard King/Queen;lizardfolk queen and 4 lizardfolk You gain reptilian scales, granting you a +2 bonus to your AC. Additionally, when you finish a

Staff of Swarming Insects Legacy

Magic Items Basic Rules (2014)

charges). Insect Cloud. While holding the staff, you can use an action and expend 1 charge to cause a swarm of harmless flying insects to spread out in a 30-foot radius from you. The insects remain

for 10 minutes, making the area heavily obscured for creatures other than you. The swarm moves with you, remaining centered on you. A wind of at least 10 miles per hour disperses the swarm and ends the effect.

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

Lich Legacy

Monsters Basic Rules (2014)

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

, the lich takes half the damage (rounded down), and the target takes the remaining damage. This tether lasts until initiative count 20 on the next round or until the lich or the target is no longer in

Helm of Brilliance Legacy

Magic Items Basic Rules (2014)

at least one ruby, you have resistance to fire damage. As long as the helm has at least one fire opal, you can use an action and speak a command word to cause one weapon you are holding to burst into

and take fire damage as a result of failing a saving throw against a spell. On a roll of 1, the helm emits beams of light from its remaining gems. Each creature within 60 feet of the helm other than

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