before breathing diffusing creature reveal

Portable Hole

Magic Items Dungeon Master’s Guide

can’t be used to create open passages. Any creature inside an open Portable Hole can exit the hole by climbing out of it. You can take a Magic action to close a Portable Hole by taking hold of

next to nothing. If the hole is folded up, a creature within the hole’s extradimensional space can take an action to make a DC 10 Strength (Athletics) check. On a successful check, the creature

Reef Shark

Monsters Monster Manual

Pack Tactics. The shark has Advantage on an attack roll against a creature if at least one of the shark’s allies is within 5 feet of the creature and the ally doesn’t have the

Incapacitated condition. Water Breathing. The shark can breathe only underwater.Bite. Melee Attack Roll: +4;{"diceNotation":"1d20+4", "rollType":"to hit", "rollAction":"Bite"}, reach 5 ft. Hit: 7 (2d4 + 2);{"diceNotation":"2d4+2", "rollType":"damage", "rollAction":"Bite", "rollDamageType":"Piercing"} Piercing damage.

Swarm of Piranhas

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 piranha. The swarm can’t regain Hit Points or gain

Temporary Hit Points. Water Breathing. The swarm can breathe only underwater.Bites. Melee Attack Roll: +5 (with Advantage if the target doesn’t have all its Hit Points), reach 5 ft. Hit: 8 (2d4

Octopus

Monsters Monster Manual

Compression. The octopus can move through a space as narrow as 1 inch without expending extra movement to do so. Water Breathing. The octopus can breathe only underwater.Tentacles. Melee Attack Roll

: +4;{"diceNotation":"1d20+4", "rollType":"to hit", "rollAction":"Tentacles"}, reach 5 ft. Hit: 1 Bludgeoning damage.Ink Cloud (1/Day). Trigger: A creature ends its turn within 5 feet of the octopus

Giant Octopus

Monsters Monster Manual

Water Breathing. The octopus can breathe only underwater. It can hold its breath for 1 hour outside water.Tentacles. Melee Attack Roll: +5;{"diceNotation":"1d20+5", "rollType":"to hit", "rollAction

smaller creature, it has the Grappled condition (escape DC 13) from all eight tentacles. While Grappled, the target has the Restrained condition.Ink Cloud (1/Day). Trigger: The octopus takes damage

Bag of Holding

Magic Items Dungeon Master’s Guide

minutes of breathing, divided by the number of breathing creatures inside. Placing a Bag of Holding inside an extradimensional space created by a Heward's Handy Haversack, Portable Hole, or similar

item instantly destroys both items and opens a gate to the Astral Plane. The gate originates where the one item was placed inside the other. Any creature within a 10-foot-radius Sphere centered on the

Giant Squid

Monsters Monster Manual

Water Breathing. The squid can breathe only underwater.Multiattack. The squid makes one Bite attack and one Tentacle attack. Bite. Melee Attack Roll: +9;{"diceNotation":"1d20+9", "rollType":"to hit

":"Bludgeoning"} Bludgeoning damage. If the target is a Huge or smaller creature, it has the Grappled condition (escape DC 16) from one of two tentacles, and the squid can pull the target up to 10 feet

Heward's Handy Haversack

Magic Items Dungeon Master’s Guide

out, its contents spill forth unharmed, and the haversack must be put right before it can be used again. Each pouch of the haversack holds enough air for 10 minutes of breathing, divided by the number

of breathing creatures inside. Placing the haversack inside an extradimensional space created by a Bag of Holding, Portable Hole, or similar item instantly destroys both items and opens a gate to the

Empyrean (Fiend)

Monsters Monster Manual

Emotions, Greater Restoration, Pass without Trace, Water Breathing 1/Day Each: Commune, Dispel Evil and Good, Plane ShiftLegendary Action Uses: 3. Immediately after another creature’s turn, the

next turn. Shockwave of Glory. Constitution Saving Throw: DC 23, each creature in a 30-foot Emanation originating from the empyrean. Failure: 27 (6d8);{"diceNotation":"6d8", "rollType":"damage

Empyrean (Celestial)

Monsters Monster Manual

Emotions, Greater Restoration, Pass without Trace, Water Breathing 1/Day Each: Commune, Dispel Evil and Good, Plane ShiftLegendary Action Uses: 3. Immediately after another creature’s turn, the

next turn. Shockwave of Glory. Constitution Saving Throw: DC 23, each creature in a 30-foot Emanation originating from the empyrean. Failure: 27 (6d8);{"diceNotation":"6d8", "rollType":"damage

Apparatus of Kwalish

Magic Items Dungeon Master’s Guide

, the compartment is airtight and watertight. The compartment holds enough air for 10 hours of breathing, divided by the number of breathing creatures inside. The apparatus floats on water. It can also

go underwater to a depth of 900 feet. Below that, the vehicle takes 2d6 Bludgeoning damage each minute from pressure. A creature in the compartment can take a Utilize action to move as many as two of

Summon Beast

Spells Player’s Handbook

, or Water. The creature resembles an animal of your choice that is native to the chosen environment, which determines certain details in its stat block. The creature disappears when it drops to 0 Hit

Points or when the spell ends. The creature is an ally to you and your allies. In combat, the creature shares your Initiative count, but it takes its turn immediately after yours. It obeys your verbal

Book of Vile Darkness

Magic Items Dungeon Master’s Guide

stone cracks and turns to powder if the book rests on it long enough. Whenever a creature that isn’t a Fiend or an Undead attunes to the Book of Vile Darkness, that creature makes a DC 17

Charisma saving throw. On a failed save, the creature is magically transformed into a Larva under the DM’s control. Only a Wish spell can reverse this vile transformation. A creature attuned to the

Deck of Many Things

Magic Items Dungeon Master’s Guide

you occupied when you disappeared. You remain imprisoned until you are found and removed from the sphere. You can’t be located by any Divination magic, but a Wish spell can reveal the location

an ally. As Dungeon Master, you should wait for a dramatically appropriate moment to reveal this enmity, leaving the adventurer guessing who is likely to become a betrayer. Fool. You have

Demodog

Monsters Stranger Things: Welcome to the Hellfire Club

Pack Tactics. The demodog has Advantage on an attack roll against a creature if at least one of the demodog’s allies is within 5 feet of the creature and the ally doesn’t have the

", "rollAction":"Bite", "rollDamageType":"Piercing"} Piercing damage. If the target is a Medium or smaller creature, it has the Prone condition.Faceless, Unnatural Canine Demodogs are sinister, quadrupedal

Demobat

Monsters Stranger Things: Welcome to the Hellfire Club

", "rollType":"damage", "rollAction":"Tentacles", "rollDamageType":"Slashing"} Slashing damage. If the target is a Medium or smaller creature, the target has the Grappled condition (escape DC 13) from all four

opens wide to reveal a toothed maw. Demobats hunt in flocks, using their tails to strangle and immobilize their prey as they feed.PoisonCold, Lightning

Holly's Handy Haversack

Magic Items Stranger Things: Welcome to the Hellfire Club

out, its contents spill forth unharmed, and the haversack must be put right before it can be used again. Each pouch of the haversack holds enough air for 10 minutes of breathing, divided by the number

of breathing creatures inside. Placing the haversack inside an extradimensional space created by a Bag of Holding, Portable Hole, or similar item instantly destroys both items and opens a gate to the

Demodragon

Monsters Stranger Things: Welcome to the Hellfire Club

Breath"}. Dexterity Saving Throw: DC 13, each creature in a 30-foot-long, 5-foot-wide Line. Failure: 22 (4d10);{"diceNotation":"4d10", "rollType":"damage", "rollAction":"Acid Breath", "rollDamageType

writhing tails, monstrous wings, and two hideous heads. Initially, each bulbous head appears featureless—a disturbing, preternatural bud yet to bloom. When threatened, however, each unfurls to reveal

Fingerprint Kit

Equipment

Ability: Intelligence Utilize: Reveal the fingerprint left behind on an object and sketch a copy (DC 20), or match a copied fingerprint against a humanoid creature’s (DC 15) This item allows

you to capture the details of a fingerprint that has been left on an object and match them against another creature. It consists of an inkpad, parchment, and talcum powder.

Silent Blowgun

magic-items

This magic weapon grants a +1 bonus to attack and damage rolls made with it. When you are hidden from a creature and miss it with a Ranged weapon attack made with this weapon, making the attack doesn’t reveal your position.

Reef Shark Legacy

Monsters Basic Rules (2014)

Pack Tactics. The shark has advantage on an attack roll against a creature if at least one of the shark's allies is within 5 feet of the creature and the ally isn't incapacitated. Water Breathing

Hunter Shark Legacy

Monsters Basic Rules (2014)

Blood Frenzy. The shark has advantage on melee attack rolls against any creature that doesn't have all its hit points. Water Breathing. The shark can breathe only underwater.Bite. Melee Weapon Attack

Silent Heavy Crossbow

magic-items

This magic weapon grants a +1 bonus to attack and damage rolls made with it. When you are hidden from a creature and miss it with a Ranged weapon attack made with this weapon, making the attack doesn’t reveal your position.

Silent Light Crossbow

magic-items

This magic weapon grants a +1 bonus to attack and damage rolls made with it. When you are hidden from a creature and miss it with a Ranged weapon attack made with this weapon, making the attack doesn’t reveal your position.

Silent Sling

magic-items

This magic weapon grants a +1 bonus to attack and damage rolls made with it. When you are hidden from a creature and miss it with a Ranged weapon attack made with this weapon, making the attack doesn’t reveal your position.

Giant Shark Legacy

Monsters Basic Rules (2014)

Blood Frenzy. The shark has advantage on melee attack rolls against any creature that doesn't have all its hit points. Water Breathing. The shark can breathe only underwater.Bite. Melee Weapon Attack

Quipper Legacy

Monsters Basic Rules (2014)

Blood Frenzy. The quipper has advantage on melee attack rolls against any creature that doesn't have all its hit points. Water Breathing. The quipper can breathe only underwater.Bite. Melee Weapon

Skulker Legacy

Feats Player’s Handbook (2014)

from a creature and miss it with a ranged weapon attack, making the attack doesn't reveal your position. Dim light doesn't impose disadvantage on your Wisdom (Perception) checks relying on sight.

You are expert at slinking through shadows. You gain the following benefits: You can try to hide when you are lightly obscured from the creature from which you are hiding. When you are hidden

Silent Dart

magic-items

This magic weapon grants a +1 bonus to attack and damage rolls made with it. When you are hidden from a creature and miss it with a Ranged weapon attack made with this weapon, making the attack doesn’t reveal your position.

Silent Longbow

magic-items

This magic weapon grants a +1 bonus to attack and damage rolls made with it. When you are hidden from a creature and miss it with a Ranged weapon attack made with this weapon, making the attack doesn’t reveal your position.

Silent Pistol

magic-items

This magic weapon grants a +1 bonus to attack and damage rolls made with it. When you are hidden from a creature and miss it with a Ranged weapon attack made with this weapon, making the attack doesn’t reveal your position.

Silent Shortbow

magic-items

This magic weapon grants a +1 bonus to attack and damage rolls made with it. When you are hidden from a creature and miss it with a Ranged weapon attack made with this weapon, making the attack doesn’t reveal your position.

Giant Sea Horse Legacy

Monsters Basic Rules (2014)

":"damage","rollAction":"Charge","rollDamageType":"bludgeoning"} bludgeoning damage. It the target is a creature, it must succeed on a DC 11 Strength saving throw or be knocked prone. Water Breathing. The sea

Silent Weapon

magic-items

This magic weapon grants a +1 bonus to attack and damage rolls made with it. When you are hidden from a creature and miss it with a Ranged weapon attack made with this weapon, making the attack doesn’t reveal your position.

Silent Hand Crossbow

magic-items

This magic weapon grants a +1 bonus to attack and damage rolls made with it. When you are hidden from a creature and miss it with a Ranged weapon attack made with this weapon, making the attack doesn’t reveal your position.

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