both bat diffusing can replacing

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

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

First-Year Student

Monsters Strixhaven: A Curriculum of Chaos

student fails a saving throw, it can reroll the d20. It must use the new roll.A student who has not yet chosen one of Strixhaven’s five mystic colleges is referred to as a first-year student, after

begin honing—or even replacing—the magic they learned in their initial year with other skills.

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

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

Tarkanan Assassin

Monsters Eberron: Rising from the Last War

Innate Spellcasting. The assassin's spellcasting ability is Constitution (+4;{"diceNotation":"1d20+4","rollType":"to hit","rollAction":"Innate Spellcasting"} to hit with spell attacks). It can

granted by an aberrant dragonmark is unpredictable. When running a Tarkanan assassin, you can roll on the Aberrant Dragonmark Innate Spells table to determine the spells gained from that NPC's aberrant

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

Arcane Propulsion Arm

Magic Items Eberron: Rising from the Last War

magically forms a copy of the appendage it’s replacing. While attached, the prosthetic provides these benefits: The prosthetic is a fully capable part of your body. You can take an action to remove

the prosthetic, and it removes itself if your attunement to it ends. It can’t be removed against your will. The prosthetic is a magic melee weapon with which you’re proficient. It deals

Helm of the Gods

Magic Items Mythic Odysseys of Theros

. Whenever you finish a long rest while wearing the helm, you can pray to one of the gods listed on the Helm of the Gods table and store the listed spell in the helm, replacing any spell that is already stored

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

Needler Pistol

Equipment

or half as much damage on a successful one. Replacing the Energy Cell. While the pistol has charges remaining, its energy cell can’t be removed. Once the pistol has 0 charges, you can replace the energy cell with a new cell by using an action or a bonus action.

pistol gives the pistol 10 charges. As an action while holding this pistol, you can expend 1 of its charges to fire a burst of glowing, needlelike darts from the pistol in a 15-foot cone. Each creature

Devourer

Monsters Mordenkainen Presents: Monsters of the Multiverse

Unusual Nature. A devourer doesn’t require air, drink, or sleep.Multiattack. The devourer makes two Claw attacks and can use either Imprison Soul or Soul Rend, if available. Claw. Melee Weapon

chooses a living Humanoid with 0 hit points that it can see within 30 feet of it. That creature is teleported inside the devourer’s ribcage and imprisoned there. While imprisoned in this way, the

Nightmare Haunt

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

":"recharge", "rollAction":"Tendrils of Slumber"}. The nightmare haunt creates spectral tendrils that cover the ground in a 20-foot square that it can see within 30 feet of itself for 1 minute or until it

minds of Eldraine’s sleeping citizens, made tangible by the planeswalker Ashiok. These creatures can hurt the body and also attack the minds of dreamers afflicted by the Wicked Slumber. Nightmare

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

Antigravity Belt

Equipment

your walking speed. If you are still levitating when the belt deactivates, you fall. Replacing the Energy Cell. While the belt has charges remaining, its energy cell can’t be removed. Once the

. Activating the Belt. As a bonus action, you can expend any number of the belt’s charges to activate it; the belt remains active for 1 minute per charge expended. You can use a bonus action to deactivate

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

Lineages

Species Van Richten’s Guide to Ravenloft

unfold during adventures that lead your character to replacing their race with this new lineage. Work with your DM to establish if you’re amenable to such a development and how such stories

unfold. WHAT HAPPENED TO ME? The lineages provided in this section represent a physical and magical transformation that alters you in fundamental ways. You can still appear as you once were, but you

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

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