breathe bonus diffusing constantly revert

Staff of the Adder

Magic Items Dungeon Master’s Guide

As a Bonus Action, you can turn the head of this staff into that of an animate, venomous snake for 1 minute or revert the staff to its inanimate form. When you take the Attack action, you can make

one of the attack rolls using the animated snake head, which has a reach of 5 feet. Apply your Proficiency Bonus and Wisdom modifier to the attack roll. On a hit, the target takes 1d6 Piercing damage

Rod of Lordly Might

Magic Items Dungeon Master’s Guide

This rod has a flanged head, and it functions as a magic Mace that grants a +3 bonus to attack rolls and damage rolls made with it. The rod has properties associated with six different buttons that

are set in a row along the haft. It has three other properties as well, detailed below. Buttons. You can press one of the following buttons as a Bonus Action; a button’s effect lasts until you

Summon Beast

Spells Player’s Handbook

;Understands the languages you know CR None (XP 0; PB equals your Proficiency Bonus) Traits Flyby (Air Only). The spirit doesn’t provoke Opportunity Attack;Opportunity Attacks when it flies out of an

the ally doesn’t have the Incapacitated condition. Water Breathing (Water Only). The spirit can breathe only underwater. Actions Multiattack. The spirit makes a number of Rend attacks equal

Staff of the Python

Magic Items Dungeon Master’s Guide

location. Absent commands from you, the snake defends itself. As a Bonus Action, you can command the snake to revert to staff form in its current space, and you can’t use the staff's property again

Wave

Magic Items Dungeon Master’s Guide

Held in the dungeon of White Plume Mountain, Wave is engraved with images of waves, shells, and sea creatures. You gain a +3 bonus to attack rolls and damage rolls made with this magic weapon. When

Initiative rolls. Underwater Adaptation. A bubble of air forms around your head while you are underwater, allowing you to breathe normally in that environment. Aquatic Command. Wave has 3 charges and

Daern's Instant Fortress

Magic Items Dungeon Master’s Guide

the tower to revert to statuette form, which works only if the tower is empty. Each creature in the area where the tower appears is pushed to an unoccupied space outside but next to the tower. Objects

a single door at ground level on the side facing you. The door opens only at your command, which you can issue as a Bonus Action. It is immune to the Knock spell and similar magic. Magic prevents the

Lizardfolk Shaman Legacy

Monsters Monster Manual (2014)

to 1 hour. It can revert to its true form as a bonus action. 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.

Doric

Monsters Thieves’ Gallery

reverts to her true form if she is incapacitated or dies. She can revert to her true form using a bonus action. While Doric is transformed, her stat block is replaced by the stat block of that form

, except she keeps her current hit points, her hit point maximum, this bonus action, her alignment, and her Intelligence, Wisdom, and Charisma scores.

Harpy Matriarch

Monsters Ghosts of Saltmarsh

disguise itself to resemble a humanoid of roughly similar size and shape for up to 1 hour. It can revert to its true form as a bonus action. This illusion does not hold up to close scrutiny. Luring Song

. The matriarch must take a bonus action on its subsequent turns to continue singing. It can stop singing at any time. The song ends if the matriarch is incapacitated. While charmed by the matriarch, a

Shapechange Legacy

Spells Basic Rules (2014)

addition to gaining those of the creature. If the creature has the same proficiency as you and the bonus listed in its statistics is higher than yours, use the creature's bonus in place of yours. You

can't use any legendary actions or lair actions of the new form. You assume the hit points and Hit Dice of the new form. When you revert to your normal form, you return to the number of hit points you

Archdruid

Monsters Mordenkainen Presents: Monsters of the Multiverse

new form. The archdruid reverts to its true form if it dies or falls unconscious. The archdruid can revert to its true form using a bonus action. While in a new form, the archdruid’s stat block

is replaced by the stat block of that form, except the archdruid keeps its current hit points, its hit point maximum, this bonus action, its languages and ability to speak, and its Spellcasting action

Amble

Monsters Locathah Rising

their new form. Amble reverts to their true form if they die or fall unconscious. Amble can revert to their true form using a bonus action on their turn. Amble's game statistics are replaced by the

blocks the sphere. While within the sphere, Amble and their allies gain a +5 bonus to Dexterity (Stealth) and Wisdom (Perception) checks, and any light from open flames in the sphere isn’t

Archdruid Legacy

Monsters Volo's Guide to Monsters

form. The archdruid reverts to its true form if it dies or falls unconscious. The archdruid can revert to its true form using a bonus action on its turn. While in a new form, the archdruid retains its

Octopus Legacy

Monsters Basic Rules (2014)

Breathing. The octopus can breathe only underwater.Tentacles. Melee Weapon Attack: +4;{"diceNotation":"1d20+4","rollType":"to hit","rollAction":"Tentacles"} to hit, reach 5 ft., one target. Hit: 1 bludgeoning

cloud of ink extends all around the octopus if it is underwater. The area is heavily obscured for 1 minute, although a significant current can disperse the ink. After releasing the ink, the octopus can use the Dash action as a bonus action.

Giant Octopus Legacy

Monsters Basic Rules (2014)

. The octopus can breathe only underwater.Tentacles. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction":"Tentacles"} to hit, reach 15 ft., one target. Hit: 10 (2d6 + 3

if it is underwater. The area is heavily obscured for 1 minute, although a significant current can disperse the ink. After releasing the ink, the octopus can use the Dash action as a bonus action.

Wyllow

Monsters Waterdeep: Dungeon of the Mad Mage

falls to the ground, melds with her new form, or is worn by the new form. Wyllow reverts to her true form if she dies or falls unconscious. Wyllow can revert to her true form using a bonus action on her

King Hekaton

Monsters Storm King's Thunder

Amphibious. Hekaton can breathe air and water.Multiattack. Hekaton makes two attacks with his broken chains. Broken Chain. Melee Weapon Attack: +14;{"diceNotation":"1d20+14","rollType":"to hit

target. Hit: 16 (3d10);{"diceNotation":"3d10","rollType":"damage","rollAction":"Shipboard Ballista","rollDamageType":"piercing"} piercing damage (heavy, loading, two-handed). Sway ship. As a bonus

Kalka-Kylla

Monsters Tales from the Yawning Portal

Amphibious. Kalka-Kylla can breathe air and water. False Appearance. While Kalka-Kylla remains motionless and hidden in its shell, it is indistinguishable from a polished boulder. Shell. Kalka-Kylla

can use a bonus action to retract into or emerge from its shell. While retracted, Kalka-Kylla gains a +4 bonus to AC, and it has a speed of 0 and can't benefit from bonuses to speed.Multiattack. Kalka

Drow Arachnomancer Legacy

Monsters Mordenkainen’s Tome of Foes

Change Shape (Recharges after a Short or Long Rest). The drow can use a bonus action to magically polymorph into a giant spider, remaining in that form for up to 1 hour. It can revert to its true

form as a bonus action. Its statistics, other than its size, are the same in each form. It can speak and cast spells while in giant spider form. Any equipment it is wearing or carrying in humanoid form

Mud Hulk

Monsters Bigby Presents: Glory of the Giants

the mud hulk’s space and be engulfed by the mud hulk. While engulfed, the target can’t breathe, has the restrained condition, and takes 6 (1d12);{"diceNotation":"1d12", "rollType":"damage

creatures of living mud. A mud hulk vaguely resembles its ancestors, but its body consists of wet mud that constantly sloughs off around it, creating thick pools of the stuff everywhere the creature

High Fae Impostor

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

transformation ends if the high fae is reduced to 0 hit points, uses this bonus action again, or uses a bonus action to revert to its true form.

Alter Self Legacy

Spells Basic Rules (2014)

action to gain the benefits of a different one. Aquatic Adaptation. You adapt your body to an aquatic environment, sprouting gills and growing webbing between your fingers. You can breathe

1d6 bludgeoning, piercing, or slashing damage, as appropriate to the natural weapon you chose, and you are proficient with your unarmed strikes. Finally, the natural weapon is magic and you have a +1 bonus to the attack and damage rolls you make using it.

Green Hag Legacy

Monsters Basic Rules (2014)

Amphibious. The hag can breathe air and water. Innate Spellcasting. The hag's innate spellcasting ability is Charisma (spell save DC 12). She can innately cast the following spells, requiring no

magical illusion that makes her look like another creature of her general size and humanoid shape. The illusion ends if the hag takes a bonus action to end it or if she dies. The changes wrought by

Green Hag (Coven Variant) Legacy

Monsters Monster Manual (2014)

Amphibious. The hag can breathe air and water. Innate Spellcasting. The hag's innate spellcasting ability is Charisma (spell save DC 12). She can innately cast the following spells, requiring no

a 12th-level spellcaster that uses Intelligence as her spellcasting ability. The spell save DC is 13, and the spell attack bonus is +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction

Slithering Tracker Legacy

Monsters Volo's Guide to Monsters

action as a bonus action.Slam. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction":"Slam"} to hit, reach 5 ft., one target. Hit: 8 (1d10 + 3);{"diceNotation":"1d10+3

a DC 13 Dexterity saving throw or be grappled (escape DC 13). Until this grapple ends, the target is restrained and unable to breathe unless it can breathe water. In addition, the grappled target

Darkmantle Legacy

Monsters Basic Rules (2014)

the attack roll, it attaches by engulfing the target’s head, and the target is also blinded and unable to breathe while the darkmantle is attached in this way. While attached to the target, the

darkmantle can attack no other creature except the target but has advantage on its attack rolls. The darkmantle’s speed also becomes 0, it can’t benefit from any bonus to its speed, and it

Girallon

Monsters Mordenkainen Presents: Monsters of the Multiverse

keep a girallon must always be wary, however, because the creature could revert to its predatory nature at any time.Aggressive. As a bonus action, the girallon can move up to its speed toward a hostile creature that it can see.

Kelpie

Monsters Tales from the Yawning Portal

Amphibious. The kelpie can breathe air and water. Seaweed Shape. The kelpie can use its action to reshape its body into the form of a humanoid or beast that is Small, Medium, or Large. Its

kelpie returns to its true form if it takes a bonus action to do so or if it dies. False Appearance. While the kelpie remains motionless in its true form, it is indistinguishable from normal

Vampire Warrior Legacy

Monsters Monster Manual (2014)

falling unconscious, provided that it isn't in sunlight or running water. If it can't transform, it is destroyed. While it has 0 hit points in mist form, it can't revert to its vampire form, and it must

or until the vampire is destroyed, is on a different plane of existence than the target, or takes a bonus action to end the effect. Children of the Night (1/Day). The vampire magically calls 2d4

Whymsee (Kraken Priest Variant)

Monsters Locathah Rising

Amphibious. Whymsee can breathe air and water.Innate Spellcasting. Whymsee's spellcasting ability is Wisdom (spell save DC 13, +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction":"Amphibious

Defense. Whymsee withdraws into her shell. Until she emerges, she gains a +4 bonus to AC and has advantage on Strength and Constitution saving throws. While in her shell, Whymsee is prone, her speed is 0

Warrior's Passkey

Magic Items The Book of Many Things

1d10 force damage. The item remains in its sword form until it leaves your grasp or you use another bonus action to revert it to its key form. If you end your attunement to the item while it’s in its sword form, it automatically reverts to its key form.

use a bonus action to transform it into a magic longsword. You are considered proficient with the sword, and you have a +1 bonus to attack and damage rolls made with it. On a hit, the sword deals

Sea Hag Legacy

Monsters Basic Rules (2014)

Amphibious. The hag can breathe air and water. Horrific Appearance. Any humanoid that starts its turn within 30 feet of the hag and can see the hag's true form must make a DC 11 Wisdom saving throw

carrying with a magical illusion that makes her look like an ugly creature of her general size and humanoid shape. The effect ends if the hag takes a bonus action to end it or if she dies. The changes

Sea Hag (Coven Variant) Legacy

Monsters Monster Manual (2014)

Amphibious. The hag can breathe air and water. Horrific Appearance. Any humanoid that starts its turn within 30 feet of the hag and can see the hag's true form must make a DC 11 Wisdom saving throw

is a 12th-level spellcaster that uses Intelligence as her spellcasting ability. The spell save DC is 13, and the spell attack bonus is +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction

Rod of Lordly Might Legacy

Magic Items Basic Rules (2014)

This rod has a flanged head, and it functions as a magic mace that grants a +3 bonus to attack and damage rolls made with it. The rod has properties associated with six different buttons that are set

in a row along the haft. It has three other properties as well, detailed below. Six Buttons. You can press one of the rod's six buttons as a bonus action. A button's effect lasts until you push a

Vampire Legacy

Monsters Basic Rules (2014)

can’t revert to its vampire form, and it must reach its resting place within 2 hours or be destroyed. Once in its resting place, it reverts to its vampire form. It is then paralyzed until it

, or takes a bonus action to end the effect. Children of the Night (1/Day). The vampire magically calls 2d4;{"diceNotation":"2d4","rollType":"roll","rollAction":"Children of the Night"} swarm of bats

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