bat build diffusing creature rule

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

tries to get away from you as quickly as possible. The creature is Indifferent toward you and other creatures, and it isn’t under your control. It behaves as an ordinary creature of its kind

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

Quasit

Monsters Monster Manual

Throw: DC 10, one creature within 20 feet. Failure: The target has the Frightened condition. At the end of each of its turns, the target repeats the save, ending the effect on itself on a success. After 1

minute, it succeeds automatically. Shape-Shift. The quasit shape-shifting;shape-shifts to resemble a bat (Speed 10 ft., Fly 40 ft.), a centipede (40 ft., Climb 40 ft.), or a toad (40 ft., Swim 40 ft

Vampire

Monsters Monster Manual

DC 14) from one of two hands. Bite (Bat or Vampire Form Only). Constitution Saving Throw: DC 17, one creature within 5 feet that is willing or that has the Grappled, Incapacitated, or Restrained

);{"diceNotation":"2d6", "rollType":"damage", "rollAction":"Grave Strike", "rollDamageType":"Necrotic"} Necrotic damage. If the target is a Large or smaller creature, it has the Grappled condition (escape

Eye and Hand of Vecna

Magic Items Dungeon Master’s Guide

a lich. A treacherous lieutenant named Kas the Betrayer;Kas brought Vecna’s rule to an end in a terrible battle. Of Vecna, all that remained were one hand and one eye, grisly Artifacts that

on Initiative rolls. Necrotic Reduction. As a Magic action, you can target one creature you can see within 5 feet of yourself. The target makes a DC 18 Constitution saving throw, taking 7d6 Necrotic

Bat Legacy

Monsters Basic Rules (2014)

Echolocation. The bat can't use its blindsight while deafened. Keen Hearing. The bat has advantage on Wisdom (Perception) checks that rely on hearing.Bite. Melee Weapon Attack: +0;{"diceNotation

":"1d20+0","rollType":"to hit","rollAction":"Bite"} to hit, reach 5 ft., one creature. Hit: 1 piercing damage.

Giant Bat Legacy

Monsters Basic Rules (2014)

Echolocation. The bat can't use its blindsight while deafened. Keen Hearing. The bat has advantage on Wisdom (Perception) checks that rely on hearing.Bite. Melee Weapon Attack: +4;{"diceNotation

":"1d20+4","rollType":"to hit","rollAction":"Bite"} to hit, reach 5 ft., one creature. Hit: 5 (1d6 + 2);{"diceNotation":"1d6+2","rollType":"damage","rollAction":"Bite","rollDamageType":"piercing"} piercing damage.

Khoravar

Species Eberron: Forge of the Artificer

philosophy often become bards, diplomats, mediators, or translators. Others, fascinated by their distant connection to the Fey, seek to build bridges between the Material Plane and the Feywild of

Thelanis. These Khoravar often become druids or warlocks with archfey patrons. Khoravar Traits Creature Type: HumanoidSize: Medium (about 4–6 feet tall) or Small (about 2–4 feet tall), chosen when you select this speciesSpeed: 30 feet

Sammaster (Dracolich Form)

Monsters Forgotten Realms: Adventures in Faerûn

"}. Constitution Saving Throw: DC 20, each creature in a 90-foot Cone. Failure: 52 (8d12) Acid;{"diceNotation":"8d12", "rollType":"damage", "rollAction":"Corroding Breath (Acid)", "rollDamageType":"Acid

, Speak with Dead 1/Day Each: Create Undead (level 8 version), Power Word KillLegendary Action Uses: 3. Immediately after another creature’s turn, Sammaster can expend a use to take one of the

Lord's Ensemble

Magic Items Waterdeep: Dragon Heist

altered to sound genderless, and you are immune to magic that allows other creatures to read your thoughts, to determine whether you are lying, to know your alignment, or to know your creature type

. Lord’s Robe. This elegant robe functions as a ring of free action, and it creates the illusion that you have a nondescript, androgynous humanoid build and stand 6 feet tall.

Sammaster (Lich Form)

Monsters Forgotten Realms: Adventures in Faerûn

response to the spell’s trigger, using the same spellcasting ability as Spellcasting.Legendary Action Uses: 3. Immediately after another creature’s turn, Sammaster can expend a use to take one of

the following actions. Sammaster regains all expended uses at the start of each of his turns. Deathly Teleport. Sammaster teleports up to 60 feet to an unoccupied space he can see, and each creature

Shifter

Species Eberron: Forge of the Artificer

fully, but they can enhance their animalistic features temporarily in a process they call “shifting.” Shifters resemble humans in height and build but are typically more lithe and flexible

a shifter’s appearance might remind an onlooker of an animal, the shifter remains clearly identifi able as a Humanoid even when at their most feral. Shifter Traits Creature Type: HumanoidSize

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

Werebat

Monsters Waterdeep: Dungeon of the Mad Mage

attack and one scimitar attack. Bite (Bat or Hybrid Form Only). Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction":"Bite"} to hit, reach 5 ft., one creature. Hit: 6 (1d6

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

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

;{"diceNotation":"1d20+4","rollType":"to hit","rollAction":"Bite"} to hit, reach 0 ft., one creature in the swarm's space. Hit: 5 (2d4);{"diceNotation":"2d4","rollType":"damage","rollAction":"Bite

Dunbarrow Witch

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

":"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

bottle of liquid at a point up to 20 feet away from itself, which shatters into a cloud of magical smoke that fills a 10-foot-radius sphere. Each creature in that area must succeed on a DC 16 Wisdom saving

Cockatrice Legacy

Monsters Basic Rules (2014)

turn to stone and is restrained. It must repeat the saving throw at the end of its next turn. On a success, the effect ends. On a failure, the creature is petrified for 24 hours.The cockatrice looks like a hideous hybrid of lizard, bird, and bat. It is infamous for its ability to turn flesh to stone.

Bite. Melee Weapon Attack: +3;{"diceNotation":"1d20+3","rollType":"to hit","rollAction":"Bite"} to hit, reach 5 ft., one creature. Hit: 3 (1d4 + 1);{"diceNotation":"1d4+1","rollType":"damage

Xvart Warlock of Raxivort

Monsters Mordenkainen Presents: Monsters of the Multiverse

transform even a creature as lowly as Raxivort into a demigod. After his apotheosis, Raxivort forged the Black Sewers, a realm within Pandemonium that he filled with his beloved creatures, rat;rats and bat

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

Circle of Power Legacy

Spells Player’s Handbook (2014)

Divine energy radiates from you, distorting and diffusing magical energy within 30 feet of you. Until the spell ends, the sphere moves with you, centered on you. For the duration, each friendly

creature in the area (including you) has advantage on saving throws against spells and other magical effects. Additionally, when an affected creature succeeds on a saving throw made against a spell or

Undead Cockatrice

Monsters Acquisitions Incorporated

Bite. Melee Weapon Attack: +3;{"diceNotation":"1d20+3","rollType":"to hit","rollAction":"Bite"} to hit, reach 5 ft., one creature. Hit: 3 (1d4 + 1);{"diceNotation":"1d4+1","rollType":"damage

","rollAction":"Bite","rollDamageType":"piercing"} piercing damage, and the target must succeed on a DC 11 Constitution saving throw against being magically petrified. On a failed save, the creature begins to

Stirge Legacy

Monsters Basic Rules (2014)

Blood Drain. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction":"Blood Drain"} to hit, reach 5 ft., one creature. Hit: 5 (1d4 + 3);{"diceNotation":"1d4+3","rollType

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)

target (escape DC 18). Bite (Bat or Vampire Form Only). Melee Weapon Attack: +9;{"diceNotation":"1d20+9","rollType":"to hit","rollAction":"Bite"} to hit, reach 5 ft., one willing creature, or a creature

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

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

speed of 20 feet, can hover, and can enter a hostile creature’s space and stop there. In addition, if air can pass through a space, the mist can do so without squeezing, and it can’t pass

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)

. 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

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

Vampire Spellcaster Legacy

Monsters Monster Manual (2014)

). Bite. (Bat or Vampire Form Only). Melee Weapon Attack: +9;{"diceNotation":"1d20+9","rollType":"to hit","rollAction":"Bite"} to hit, reach 5 ft., one willing creature, or a creature that is grappled by

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

Clockwork Horror

Monsters Monstrous Compendium Vol. 1: Spelljammer Creatures

":"lightning"} lightning damage. Spelljamming Helm Interface. The horror attaches to a spelljamming helm it can see within 5 feet of itself and attunes to the helm instantly. If another creature is

already attuned to the helm, that creature’s attunement to the helm ends when the horror’s attunement begins. The horror can operate the helm even though it isn’t a spellcaster. The horror

Troglodyte Legacy

Monsters Monster Manual (2014)

Chameleon Skin. The troglodyte has advantage on Dexterity (Stealth) checks made to hide. Stench. Any creature other than a troglodyte that starts its turn within 5 feet of the troglodyte must

succeed on a DC 12 Constitution saving throw or be poisoned until the start of the creature’s next turn. On a successful saving throw, the creature is immune to the stench of all troglodytes for 1

Blue Guard Drake

Monsters Mordenkainen Presents: Monsters of the Multiverse

drake is a reptilian creature created out of dragon scales by means of a bizarre and grisly ritual. When trained properly, a drake is obedient and territorial, which makes it an excellent watch beast

newly hatched guard drake imprints upon the first creature that feeds it (usually the one planning to train it), establishing an aggressive but trusting bond with that individual. A guard drake is fully

Conjure Animals Legacy

Spells Basic Rules (2014)

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, Raven, Scorpion, Spider, Vulture

Badger, Giant Bat, Giant Centipede, Giant Frog, Giant Lizard, Giant Owl, Giant Poisonous Snake, Giant Wolf Spider, Panther, Riding Horse, Wolf 1/2 Ape, Black Bear, Crocodile, Giant Goat, Giant

Owlin

Species Strixhaven: A Curriculum of Chaos

increase three different scores by 1. Follow this rule regardless of the method you use to determine the scores, such as rolling or point buy. The “Quick Build” section for your

of widespread languages to choose from. The DM is free to add or remove languages from that list for a particular campaign. Creature Type Every creature in D&D, including every player character

Wastrilith

Monsters Mordenkainen Presents: Monsters of the Multiverse

defilement, you can use the optional rule on abyssal corruption in chapter 2 of the Dungeon Master’s Guide, causing the poisoned creature to be corrupted.PoisonCold, Fire, Lightning; Bludgeoning

lightly obscured;lightly obscures the area until a current clears it away. Water in containers remains corrupted until it evaporates. A creature that consumes this foul water or swims in it must make a

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

., one creature. Hit: 8 (2d4 + 3);{"diceNotation":"2d4+3","rollType":"damage","rollAction":"Claws","rollDamageType":"slashing"} slashing damage. Instead of dealing damage, Tloques-Popolocas can grapple

Orlekto

Monsters Storm King's Thunder

lightning bolt at a point it can see within 500 feet of it. Each creature within 10 feet of that point must make a DC 17 Dexterity saving throw, taking 54 (12d8);{"diceNotation":"12d8","rollType":"damage

to eliminate Hekaton or Serissa presents itself, Orlekto seizes it. Until then, he conceals his treacherous nature. Ideal: “Storm giants should rule the world. Weak leaders have let dragons and

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