bat being diffusing can report

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

Hat of Vermin

Magic Items Dungeon Master’s Guide

This hat has 3 charges. While holding the hat, you can take a Magic action to expend 1 charge and summon your choice of a Bat, a Frog, or a Rat. The summoned creature magically appears in the hat and

Vampire

Monsters Monster Manual

form. Anything it is wearing transforms with it. While in bat form, the vampire can’t speak. Its game statistics, other than its size and Speed, are unchanged. While in mist form, the vampire

Legendary Resistance (3/Day, or 4/Day in Lair). If the vampire fails a saving throw, it can choose to succeed instead. Misty Escape. If the vampire drops to 0 Hit Points outside its resting place

Cloak of the Bat

Magic Items Dungeon Master’s Guide

Darkness, you can cast Polymorph on yourself, shape-shifting into a Bat. While in that form, you retain your Intelligence, Wisdom, and Charisma scores. The cloak can’t be used this way again until the next dawn.

While wearing this cloak, you have Advantage on Dexterity (Stealth) checks. In an area of Dim Light or Darkness, you can grip the edges of the cloak and use it to gain a Fly Speed of 40 feet. If you

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

independently of you, but it obeys your commands. Telepathic Connection. While your familiar is within 100 feet of you, you can communicate with it telepathically. Additionally, as a Bonus Action, you

Beast of Malar

Monsters Forgotten Realms: Adventures in Faerûn

", "rollType":"roll", "rollAction":"Divine Immortality"} days, reviving with all its Hit Points in a place of Malar’s choosing. Legendary Resistance (3/Day). If the beast fails a saving throw, it can

: the beast of Malar. The beast of Malar can take three types of forms—a land form, a sea form, and a sky form—to pursue prey across land, seas, and skies. In each form, its short fur is

Manshoon

Monsters Forgotten Realms: Adventures in Faerûn

Magic Resistance. Manshoon has Advantage on saving throws against spells and other magical effects.Multiattack. Manshoon makes three Arcane Burst attacks. He can replace two attacks with a use of

original Manshoon was the undisputed lord of Zhentil Keep, where he honed the organization to suit his sinister will. He encouraged members to report on each other, punished discontent, and hoarded magical

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

":"piercing"} piercing damage. If at least one of the xvart’s allies is within 5 feet of the target, the xvart can push the target 5 feet if the target is a Medium or smaller creature. Sling. Ranged

Wings of Flying Legacy

Magic Items Basic Rules (2014)

While wearing this cloak, you can use an action to speak its command word. This turns the cloak into a pair of bat wings or bird wings on your back for 1 hour or until you repeat the command word as

Werebat

Monsters Waterdeep: Dungeon of the Mad Mage

Shapechanger. The werebat can use its action to polymorph into a Medium bat-humanoid hybrid, or into a Large giant bat, or back into its true form, which is humanoid. Its statistics, other than its

size, are the same in each form. Any equipment it is wearing or carrying isn’t transformed. It reverts to its true form if it dies. Echolocation (Bat or Hybrid Form Only). The werebat has

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

Echolocation. The swarm can't use its blindsight while deafened. Keen Hearing. The swarm has advantage on Wisdom (Perception) checks that rely on hearing. Swarm. The swarm can occupy another

Xvart Warlock of Raxivort Legacy

Monsters Volo's Guide to Monsters

its turns. Raxivort's Blessing. When the xvart reduces an enemy to 0 hit points, the xvart gains 4 temporary hit points. Raxivort's Tongue. The xvart can communicate with ordinary bat;bats and rat

Innate Spellcasting. The xvart's innate spellcasting ability is Charisma. It can innately cast the following spells, requiring no material components: At will: detect magic, mage armor (self only

Xvart Warlock of Raxivort

Monsters Mordenkainen Presents: Monsters of the Multiverse

Raxivort’s Blessing. When the xvart reduces an enemy to 0 hit points, the xvart gains 4 temporary hit points. 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.Multiattack. The xvart makes two Scimitar or Raxivort’s Bite attacks. Scimitar. Melee Weapon Attack: +4;{"diceNotation":"1d20+4

Stirge Legacy

Monsters Basic Rules (2014)

stirge's turns, the target loses 5 (1d4 + 3);{"diceNotation":"1d4+3","rollType":"roll","rollAction":"Blood Drain"} hit points due to blood loss. The stirge can detach itself by spending 5 feet of its

movement. It does so after it drains 10 hit points of blood from the target or the target dies. A creature, including the target, can use its action to detach the stirge.This horrid monster looks like

Vampire Warrior Legacy

Monsters Monster Manual (2014)

Shapechanger. If the vampire isn't in sunlight or running water, it can use its action to polymorph into a Tiny bat or a Medium cloud of mist, or back into its true form. While in bat form, the

it is carrying does. It reverts to its true form if it dies. While in mist form, the vampire can't take any actions, speak, or manipulate objects. It is weightless, has a flying speed of 20 feet, can

Gingerbrute

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

Can’t Catch Me. The gingerbrute has advantage on any ability checks or saving throws it makes to avoid or end the grappled or the restrained condition on itself. Sweet Victory. Once the

gingerbrute is destroyed, a creature can use its action to eat all the remains and gain 5 temporary hit points. The remains crumble away after 24 hours if not eaten.Multiattack. The gingerbrute makes two

Quasit Legacy

Monsters Basic Rules (2014)

Shapechanger. The quasit can use its action to polymorph into a beast form that resembles a bat (speed 10 ft. fly 40 ft.), a centipede (40 ft., climb 40 ft.), or a toad (40 ft., swim 40 ft.), or back

. The target can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. Scare (1/Day). One creature of the quasit's choice within 20 feet of it must succeed

Vampire Legacy

Monsters Basic Rules (2014)

Shapechanger. If the vampire isn’t in sunlight or running water, it can use its action to polymorph into a Tiny bat or a Medium cloud of mist, or back into its true form. While in bat form

damage. Instead of dealing damage, the vampire can grapple the target (escape DC 18). Bite. (Bat or Vampire Form Only). Melee Weapon Attack: +9;{"diceNotation":"1d20+9","rollType":"to hit","rollAction

Vampire Spellcaster Legacy

Monsters Monster Manual (2014)

Shapechanger. If the vampire isn't in sunlight or running water, it can use its action to polymorph into a Tiny bat or a Medium cloud of mist, or back into its true form. While in bat form, the

it is carrying does. It reverts to its true form if it dies. While in mist form, the vampire can't take any actions, speak, or manipulate objects. It is weightless, has a flying speed of 20 feet, can

Quasit (familiar variant) Legacy

Monsters Monster Manual (2014)

Shapechanger. The quasit can use its action to polymorph into a beast form that resembles a bat (speed 10 ft. fly 40 ft.), a centipede (40 ft., climb 40 ft.), or a toad (40 ft., swim 40 ft.), or back

. Magic Resistance. The quasit has advantage on saving throws against spells and other magical effects. Familiar. The quasit can serve another creature as a familiar, forming a telepathic bond with its

Conjure Fey Legacy

Spells Basic Rules (2014)

You summon a fey creature of challenge rating 6 or lower, or a fey spirit that takes the form of a beast of challenge rating 6 or lower. It appears in an unoccupied space that you can see within

. Sample Creatures CR Creature Name 0 Frog, Sea Horse, Baboon, Badger, Bat, Cat, Crab, Deer, Eagle, Giant Fire Beetle, Goat, Hawk, Hyena, Jackal, Lizard, Octopus, Owl, Quipper, Rat

Conjure Animals Legacy

Spells Basic Rules (2014)

You summon fey spirits that take the form of beasts and appear in unoccupied spaces that you can see within range. Choose one of the following options for what appears: One beast of challenge

actions. The GM has the creatures' statistics. Sample creatures can be found below. At Higher Levels. When you cast this spell using certain higher-level spell slots, you choose one of the summoning

Tloques-Popolocas

Monsters Tales from the Yawning Portal

needing to make an ability check. Shapechanger. If Tloques-Popolocas isn't in sunlight or running water, it can use its action to polymorph into a Tiny bat, or back into its true form. While in bat

damage from holy water, this trait doesn't function at the start of Tloques-Popolocas next turn. Spider Climb. Tloques-Popolocas can climb difficult surfaces, including upside down on ceilings, without

Zorak Lightdrinker

Monsters Waterdeep: Dungeon of the Mad Mage

Shapechanger. If Zorak isn't in sunlight or running water, he can use his action to polymorph into a Tiny bat or a Medium cloud of mist, or back into his true form. While in bat form, Zorak can't

":"1d8+4","rollType":"damage","rollAction":"Unarmed Strike","rollDamageType":"bludgeoning"} bludgeoning damage. Instead of dealing damage, Zorak can grapple the target (escape DC 18). Bite. (Bat or Vampire

Kolyarut

Monsters Planescape: Adventures in the Multiverse

Immutable Form. The kolyarut is immune to any spell or effect that would alter its form. Legendary Resistance (4/Day). If the kolyarut fails a saving throw, it can choose to succeed instead. Magic

;2: Disarm. The target drops one item it is holding of the kolyarut’s choice. 3–4: Imbalance. The target can’t take reactions until the start of the kolyarut’s next turn. 5

Deep Scion

Monsters Mordenkainen Presents: Monsters of the Multiverse

Amphibious (Hybrid Form Only). The deep scion can breathe air and water.Multiattack. The deep scion makes two Battleaxe attacks, or it makes one Bite attack and two Claw attacks. Battleaxe. Melee

certain, but when it works, the magic transforms an air-breathing person into a shapeshifter that can take on an aquatic form. A deep scion emerges from the depths in service to their underwater master

Frost Giant Everlasting One

Monsters Mordenkainen Presents: Monsters of the Multiverse

out magic that will aid them, but enchanted objects can be taken or lost. True greatness relies on personal prowess. Faced with this truth, a frost giant might seek a supernatural gift from Vaprak the

. Those who don’t shrink from such visions or report them to priests of Thrym receive more of the same. If a frost giant comes to relish these dreams and nightmares, as some do, Vaprak sets a

Animal Messenger Legacy

Spells Basic Rules (2014)

By means of this spell, you use an animal to deliver a message. Choose a Tiny beast you can see within range, such as a squirrel, a blue jay, or a bat. You specify a location, which you must have

Sailor Legacy

Backgrounds Player’s Handbook (2014)

you are in a settlement, you can get away with minor criminal offenses, such as refusing to pay for food at a tavern or breaking down doors at a local shop, since most people will not report your activity to the authorities.

’s Passage When you need to, you can secure free passage on a sailing ship for yourself and your adventuring companions. You might sail on the ship you served on, or another ship you have good

Cave Fisher

Monsters Mordenkainen Presents: Monsters of the Multiverse

Flammable Blood. If the cave fisher drops to half its hit points or fewer, it gains vulnerability to fire damage. Spider Climb. The cave fisher can climb difficult surfaces, including upside down on

cave fisher, and the cave fisher makes one Claw attack against it. Anyone else who was attached to the filament is released. Until the grapple ends on the target, the cave fisher can’t use Adhesive

Pirate Legacy

Backgrounds Player’s Handbook (2014)

you go, people are afraid of you due to your reputation. When you are in a settlement, you can get away with minor criminal offenses, such as refusing to pay for food at a tavern or breaking down doors at a local shop, since most people will not report your activity to the authorities.

Keresta Delvingstone

Monsters Waterdeep: Dungeon of the Mad Mage

Shapechanger. If Keresta isn't in sunlight or running water, she can use her action to polymorph into a Tiny bat or a Medium cloud of mist, or back into her true form. While in bat form, Keresta

is carrying does. She reverts to her true form if she dies. While in mist form, Keresta can't take any actions, speak, or manipulate objects. It is weightless, has a flying speed of 20 feet, can hover

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

familiar acts independently of you, but it always obeys your commands. In combat, it rolls its own initiative and acts on its own turn. A familiar can't attack, but it can take other actions as normal

Dunbarrow Witch

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

Multiattack. The witch makes two Poison Dagger attacks. It can replace one of these attacks with Spellcasting. Poison Dagger. Melee or Ranged Weapon Attack: +5;{"diceNotation":"1d20+5", "rollType

":"Polymorph Concoction"}): 1, bat; 2, frog; 3, lizard; or 4, rat. This transformation lasts for 1 hour or until the creature drops to 0 hit points in its new form. Shattered Shards. The witch targets a

Zargash

Monsters The Wild Beyond the Witchlight

Cling to Life (Recharges after a Long Rest). The first time Zargash would drop to 0 hit points as a result of taking damage, he instead drops to 1 hit point. Special Equipment. Zargash wears a bat

own evil schemes.Animate Corpse (1/Day). Zargash targets the lifeless corpse of one Humanoid he can see within 30 feet of him and commands it to rise, transforming it into a zombie under his control

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