bat barriers diffusing cause regain

Swarm of Bats

Monsters Monster Manual

Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny bat. The swarm can’t regain Hit Points or gain

Find Familiar

Spells Player’s Handbook

You gain the service of a familiar, a spirit that takes an animal form you choose: Bat, Cat, Frog, Hawk, Lizard, Octopus, Owl, Rat, Raven, Spider, Weasel, or another Beast that has a Challenge Rating

forever. As a Magic action while it is temporarily dismissed, you can cause it to reappear in an unoccupied space within 30 feet of you. Whenever the familiar drops to 0 Hit Points or disappears into

Daern's Instant Fortress

Magic Items Dungeon Master’s Guide

As a Magic action, you can place this 1-inch adamantine statuette on the ground and, using a command word, cause it to grow rapidly into a square adamantine tower. Repeating the command word causes

Resistance to all other damage. Shrinking the tower back down to statuette form doesn’t repair damage to the tower. Only a Wish spell can repair the tower (this use of the spell counts as replicating a spell of level 8 or lower). Each casting of Wish causes the tower to regain all its Hit Points.

Rod of Lordly Might

Magic Items Dungeon Master’s Guide

ram and grants its user a +10 bonus to Strength (Athletics) checks made to break through doors, barricades, and other barriers. Button 6. The rod assumes or remains in its normal form and indicates

4d6 Necrotic damage, and you regain a number of Hit Points equal to half that Necrotic damage. Once used, this property can’t be used again until the next dawn. Paralyze. When you hit a creature

Xvart

Monsters Mordenkainen Presents: Monsters of the Multiverse

Raxivort’s Tongue. The xvart can communicate with ordinary bat;bats and rat;rats, as well as giant bat;giant bats and giant rat;giant rats.Shortsword. Melee Weapon Attack: +4;{"diceNotation

":"Sling", "rollDamageType":"bludgeoning"} bludgeoning damage.Fleeing his pursuers, Raxivort wandered across the multiverse and spawned xvarts, who not only look like him but also cause any magic that

Swarm of Bats Legacy

Monsters Basic Rules (2014)

creature's space and vice versa, and the swarm can move through any opening large enough for a Tiny bat. The swarm can't regain hit points or gain temporary hit points.Bite. Melee Weapon Attack: +4

Aura of Vitality Legacy

Spells Player’s Handbook (2014)

Healing energy radiates from you in an aura with a 30-foot radius. Until the spell ends, the aura moves with you, centered on you. You can use a bonus action to cause one creature in the aura (including you) to regain 2d6 hit points.

Mummy Lord Legacy

Monsters Basic Rules (2014)

, including ones behind barriers and around corners, can't regain hit points until the end of the mummy lord's next turn. Whirlwind of Sand (Costs 2 Actions). The mummy lord magically transforms into a

","rollDamageType":"necrotic"} necrotic damage. If the target is a creature, it must succeed on a DC 16 Constitution saving throw or be cursed with mummy rot. The cursed target can't regain hit points

Diderius

Monsters Tyranny of Dragons

(Costs 2 Actions). Diderius magically unleashes negative energy. Creatures within 60 feet of him, including ones behind barriers and around corners, can’t regain hit points until the end of his next

"} necrotic damage. If the target is a creature, it must succeed on a DC 16 Constitution saving throw or be cursed with mummy rot. The cursed target can’t regain hit points, and its hit point maximum

Brain in a Jar

Monsters Icewind Dale: Rime of the Frostmaiden

Detect Sentience. The brain can sense the presence and location of any creature within 300 feet of it that has an Intelligence of 3 or higher, regardless of interposing barriers, unless the creature

":"3d8","rollType":"damage","rollAction":"Chill Touch","rollDamageType":"necrotic"} necrotic damage, and the target can’t regain hit points until the start of the brain’s next turn. If the

Dragonborn of Bahamut

Monsters Fizban's Treasury of Dragons

, plus 13 (3d8);{"diceNotation":"3d8", "rollType":"damage", "rollAction":"Longsword", "rollDamageType":"radiant"} radiant damage. The dragonborn can cause the sword to flare with bright light, and the

one. When the dragonborn uses this action, it can choose up to three creatures in the cone. These creatures take no damage from the radiance and instead regain 22 (4d10);{"diceNotation":"4d10

Firegaunt

Monsters Bigby Presents: Glory of the Giants

":"bludgeoning"} bludgeoning damage. The firegaunt can cause the maul to erupt with crimson flames, and the target must succeed on a DC 18 Dexterity saving throw or take 10 (3d6);{"diceNotation":"3d6

creature or another creature that can reach it takes an action to extinguish the fire, the burning creature can’t regain hit points and takes 5 (1d10);{"diceNotation":"1d10", "rollType":"damage

Valin Sarnaster

Monsters Candlekeep Mysteries

energy. Creatures within 60 feet of Valin, including ones behind barriers and around corners, can’t regain hit points until the end of Valin’s next turn. Whirlwind of Sand (Costs 2 Actions

succeed on a DC 16 Constitution saving throw or be cursed with mummy rot. The cursed target can’t regain hit points, and its hit point maximum decreases by 10 (3d6);{"diceNotation":"3d6

Crystal Blade

Magic Items Fizban's Treasury of Dragons

3 charges and regains 1d3 expended charges daily at dawn. When you hit a creature with an attack roll using the sword, you can expend 1 charge to regain a number of hit points equal to the extra

radiant damage the sword dealt. While you’re holding the sword, you can use a bonus action to cause it to shed bright light in a 30-foot radius and dim light for an additional 30 feet, to cause it to shed dim light in a 10-foot radius, or to douse the light.

Gorka Tharn

Monsters Waterdeep: Dungeon of the Mad Mage

Negative Energy (Costs 2 Actions). The mummy lord magically unleashes negative energy. Creatures within 60 feet of the mummy lord, including ones behind barriers and around corners, can't regain hit

","rollDamageType":"necrotic"} necrotic damage. If the target is a creature, it must succeed on a DC 16 Constitution saving throw or be cursed with mummy rot. The cursed target can't regain hit points

Find Familiar Legacy

Spells Basic Rules (2014)

You gain the service of a familiar, a spirit that takes an animal form you choose: bat, cat, crab, frog (toad), hawk, lizard, octopus, owl, poisonous snake, fish (quipper), rat, raven, sea horse

dimension. Alternatively, you can dismiss it forever. As an action while it is temporarily dismissed, you can cause it to reappear in any unoccupied space within 30 feet of you. Whenever the familiar

Devotee's Censer

Magic Items Tasha’s Cauldron of Everything

target takes an extra 1d8 radiant damage. As a bonus action, you can speak the command word to cause the flail to emanate a thin cloud of incense out to 10 feet for 1 minute. At the start of each of your

turns, you and any other creatures in the incense each regain 1d4 hit points. This property can’t be used again until the next dawn.

Swarm of Gremishkas

Monsters Van Richten’s Guide to Ravenloft

another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny gremishka. The swarm can’t regain hit points or gain temporary hit points.Bites. Melee

cast near a gremishka might rebound onto those nearby or cause the monster to explode, its scaly chunks rapidly reforming into duplicate gremishkas. These spontaneously created swarms can rapidly turn

Fungal Servant

Monsters Candlekeep Mysteries

2 Actions). The fungal servant magically unleashes negative energy. Creatures within 60 feet of the fungal servant, including ones behind barriers and around corners, can’t regain hit points

target can’t regain hit points, and its hit point maximum decreases by 10 3d6;{"diceNotation":"3d6","rollType":"roll","rollAction":"Hit Point Reduction"} for every 24 hours that elapse. If the

Squire of Solamnia

Feats Dragonlance: Shadow of the Dragon Queen

weapon attack roll against a creature, you can cause the attack roll to have advantage. If the attack hits, you roll a d8 and add the number rolled as a bonus to the attack’s damage roll. You can

use this benefit a number of times equal to your proficiency bonus, but a use is expended only if the attack hits. You regain all expended uses when you finish a long rest.

Fraz-Urb'luu Legacy

Monsters Out of the Abyss

that of a great gargoyle, some 12 feet tall, with an extended, muscular neck and a smiling face framed by long, pointed ears and lank, dark hair, and bat-like wings are furled against his powerful

of their holy cause, only to eventually reveal his true nature and claim their souls as his own.Fraz-Urb’luu’s Lair Fraz-Urb’luu’s lair lies within the Abyssal lair known as

Rod of Lordly Might Legacy

Magic Items Basic Rules (2014)

battering ram and grants its user a +10 bonus to Strength checks made to break through doors, barricades, and other barriers. If you press button 6, the rod assumes or remains in its normal form and

4d6 necrotic damage, and you regain a number of hit points equal to half that necrotic damage. This property can't be used again until the next dawn. Paralyze. When you hit a creature with a melee

Ringlerun

Monsters The Wild Beyond the Witchlight

Special Equipment. Ringlerun wields a staff of power. It has 20 charges when fully charged and regains 2d8 + 4;{"diceNotation":"2d8+4","rollType":"roll","rollAction":"Regain charges"} expended

rolls but loses its other properties; on a 20, it regains 1d8 + 2;{"diceNotation":"1d8+2","rollType":"roll","rollAction":"Regain Charges"} charges.Multiattack. Ringlerun makes three Staff of Power or

Y'demi

Monsters Strixhaven: A Curriculum of Chaos

the target is a creature, it can’t regain hit points until the start of the Y’demi’s next turn. Blood Boil (Recharge 4–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction

students and embittered faculty they might turn to their cause. The Oriq take pains to hide their true allegiance and wear masks to hide their identities. These masks have magical properties that

Living Ship

Equipment

. When the treant finishes a long rest, it repairs the ship’s hull, enabling the ship to regain 4d12 hit points, and refreshes the ship’s air envelope (turning deadly air into foul air, or foul

air into fresh air). A living ship can float on water and sail across it, but it can’t land safely on the ground (its keel would cause it to roll on its side). Its standard weaponry is an aft-mounted ballista.

Oriq Blood Mage

Monsters Strixhaven: A Curriculum of Chaos

damage. If the target is a creature, it can’t regain hit points until the start of the blood mage’s next turn. Blood Boil (Recharge 4–6);{"diceNotation":"1d6", "rollType":"recharge

students and embittered faculty they might turn to their cause. The Oriq take pains to hide their true allegiance and wear masks to hide their identities. These masks have magical properties that function only for their intended wearers.Necrotic

Demilich Legacy

Monsters Monster Manual (2014)

","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

target can regain hit points until initiative count 20 on the next round. Lair Traits A demilich’s tomb might have any or all of the following effects in place: The first time a non-evil

Aboleth Legacy

Monsters Basic Rules (2014)

skin becomes translucent and slimy, the creature can’t regain hit points unless it is underwater, and the disease can be removed only by heal or another disease-curing spell of 6th level or higher

. 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

Ythryn Mythallar

Magic Items Icewind Dale: Rime of the Frostmaiden

mythallar and all structures held aloft by it hover in place when not in motion. As an action, you can cause one magic item you are holding within 30 feet of the Ythryn mythallar to immediately regain

of existence as the Ythryn mythallar, you can use an action to cause it to fly in any direction you choose at a speed of 30 feet. All matter within 500 feet of the device moves with it. The Ythryn

Death Tyrant Legacy

Monsters Monster Manual (2014)

and whether the cone is active. Any creature in that area can’t regain hit points. Any humanoid that dies there becomes a zombie under the tyrant’s command. The dead humanoid retains its

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

Orcus Legacy

Monsters Out of the Abyss

. Great bat wings sprout from his shoulders, and his head is like the skull of a goat, the flesh nearly rotted from it. In one hand, he wields the legendary Wand of Orcus, which is described in

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

Fraz-Urb'luu

Monsters Mordenkainen Presents: Monsters of the Multiverse

an extended, muscular neck; a smiling face framed by long, pointed ears and lank, dark hair; and bat-like wings are furled against his powerful shoulders. He can assume other forms, however, from the

to greater and greater atrocities in the name of their cause, only to eventually reveal his true nature and claim their souls as his own.Fraz-Urb’luu’s Lair Fraz-Urb’luu’s

Nilbog

Monsters Mordenkainen Presents: Monsters of the Multiverse

this way must use its action praising the nilbog. The nilbog can’t regain hit points, including through magical healing, except through its Reversal of Fortune reaction.Fool’s Scepter. Melee

that cause disorder unless they are appeased. Goblins have no name for this deity and dare not give it one, lest Maglubiyet use its name to ensnare and crush it as he did their other deities. They

Reduced-threat Aboleth

Monsters Tales from the Yawning Portal

by any magic that cures disease. After 1 minute, the diseased creature's skin becomes translucent and slimy, the creature can't regain hit points unless it is underwater, and the disease can be removed

, 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

Vecna the Archlich

Monsters Vecna: Eve of Ruin

, the afflicted target can’t regain hit points. Flight of the Damned (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Flight of the Damned"}. Vecna conjures a torrent of

wearing or carrying, up to 30 feet to an unoccupied space he can see. He can cause each creature of his choice within 15 feet of his destination space to take 10 (3d6);{"diceNotation":"3d6

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