bonus books diffusing causing region

Erinyes

Monsters Monster Manual

":"damage", "rollAction":"Entangling Rope", "rollDamageType":"Force"} Force damage, and the target has the Restrained condition until the rope is destroyed, the erinyes uses a Bonus Action to release

the target, or the erinyes uses Entangling Rope again.Parry. Trigger: The erinyes is hit by a melee attack roll while holding a weapon. Response: The erinyes adds 4 to its AC against that attack, possibly causing it to miss.Fire, PoisonCold

Defensive Duelist

Feats Player’s Handbook

a Finesse weapon and another creature hits you with a melee attack, you can take a Reaction to add your Proficiency Bonus to your Armor Class, potentially causing the attack to miss you. You gain this bonus to your AC against melee attacks until the start of your next turn.

Shield Guardian

Monsters Monster Manual

the guardian. Response: The wearer gains a +5 bonus to AC, including against the triggering attack and possibly causing it to miss, until the start of the guardian’s next turn.Poison

Rope of Entanglement

Magic Items Dungeon Master’s Guide

’s space) or by using a Bonus Action to repeat the command (causing the rope to coil up in your hand). A target Restrained by the rope can take an action to make its choice of a DC 15 Strength

. The target must succeed on a DC 15 Dexterity saving throw or have the Restrained condition. You can release the target by letting go of your end of the rope (causing the rope to coil up in the target

Quarterstaff of the Acrobat

Magic Items Dungeon Master’s Guide

an attack while holding the weapon, you can take a Reaction to twirl the weapon around you, gaining a +5 bonus to your Armor Class against the triggering attack, potentially causing the attack to miss

You have a +2 bonus to attack rolls and damage rolls made with this magic weapon. While holding this weapon, you can cause it to emit green Dim Light out to 10 feet, either as a Bonus Action or

Staff of the Python

Magic Items Dungeon Master’s Guide

As a Magic action, you can throw this staff so that it lands in an unoccupied space within 10 feet of you, causing the staff to become a Giant Constrictor Snake in that space. The snake is under your

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

Beholder

Monsters Monster Manual

Bonus Action on its turn, not both. Success: Half damage only. 5: Enervation Ray. Constitution Saving Throw: DC 16. Failure: 13 (3d8);{"diceNotation":"3d8", "rollType":"damage", "rollAction

in the Underdark or in lairs created for them by their servants. The region containing a beholder’s lair is twisted by its presence, creating the following effects: Scopophobia. Creatures

Death Tyrant

Monsters Monster Manual

either an action or a Bonus Action on its turn, not both. Success: Half damage only. Enervation Ray. Constitution Saving Throw: DC 17. Failure: 16 (3d10);{"diceNotation":"3d10", "rollType":"damage

region containing a death tyrant’s lair is warped by its presence, creating the following effects: Negative Energy Suffusion. Whenever a creature within 1 mile of the lair regains Hit Points from

Blackrazor

Magic Items Dungeon Master’s Guide

Hidden in the dungeon of White Plume Mountain, Blackrazor shines like a piece of night sky filled with stars. Its black scabbard is decorated with pieces of cut obsidian. You gain a +3 bonus to

Blackrazor. Blackrazor can be destroyed by crushing it in the great gears of Mechanus. Primus, the creator of the modrons, also knows a series of musical tones that Blackrazor can’t stand to hear, causing the sword to shatter.

Moonblade

Magic Items Dungeon Master’s Guide

rejects you but also places a curse on you, causing you to make D20 Test;D20 Tests with Disadvantage for 24 hours or until the curse is ended by a Remove Curse spell or similar magic. If you’re

+1 bonus to attack rolls and damage rolls made with this magic weapon. Each rune beyond the first grants the Moonblade an additional property. The DM chooses each property or determines it randomly by

Deep Dragon Wyrmling

Monsters Forgotten Realms: Adventures in Faerûn

, forgotten ruins, preferring locations near subterranean bodies of water. The region containing an adult or ancient deep dragon’s lair is changed by its presence, creating the following effects

: Preservation of Knowledge. Books and other written forms of communication with 1 mile of the lair become magically protected and can’t be damaged by nonmagical means. Restless Sleep. When a

Young Deep Dragon

Monsters Forgotten Realms: Adventures in Faerûn

ruins, preferring locations near subterranean bodies of water. The region containing an adult or ancient deep dragon’s lair is changed by its presence, creating the following effects

: Preservation of Knowledge. Books and other written forms of communication with 1 mile of the lair become magically protected and can’t be damaged by nonmagical means. Restless Sleep. When a creature

Young Spirit Dragon

Monsters Forgotten Realms: Adventures in Faerûn

’t take Reactions, and it can take either an action or a Bonus Action on its turn, not both. It repeats the save at the end of each of its turns, ending the effect on itself on a success. After 1

minute, it succeeds automatically.Curious and self-confident, young spirit dragons can cause trouble for a region’s other denizens, by either unleashing long-buried evils or misusing scarcely

Dreaming Dark Mindkiller

Monsters Eberron: Forge of the Artificer

following on each of its turns: move, take an action, or take a Bonus Action. Success: Half damage only.Mindkillers are the assassins of the Dreaming Dark, sent to terrify their foes before striking

to kill. Mindkillers force foes to attack their own allies, causing physical and emotional devastation to grow the power of the Dreaming Dark.PsychicSlayer’s Puppet (1/Day). The mindkiller

Spirit Dragon Wyrmling

Monsters Forgotten Realms: Adventures in Faerûn

by this breath in a 15-foot Cone. Failure: The target’s Speed is halved, it can’t take Reactions, and it can take either an action or a Bonus Action on its turn, not both. It repeats the

a deep appreciation for the culture and art of humanoid societies. Spirit dragons find even the most commonplace melodies moving. A song written in the time and region from which a spirit dragon

Adult Deep Dragon

Monsters Forgotten Realms: Adventures in Faerûn

dragons lair in fungus-encrusted caverns of the Underdark or old, forgotten ruins, preferring locations near subterranean bodies of water. The region containing an adult or ancient deep dragon&rsquo

;s lair is changed by its presence, creating the following effects: Preservation of Knowledge. Books and other written forms of communication with 1 mile of the lair become magically protected and can

Ancient Deep Dragon

Monsters Forgotten Realms: Adventures in Faerûn

-encrusted caverns of the Underdark or old, forgotten ruins, preferring locations near subterranean bodies of water. The region containing an adult or ancient deep dragon’s lair is changed by its

presence, creating the following effects: Preservation of Knowledge. Books and other written forms of communication with 1 mile of the lair become magically protected and can’t be damaged by

Ancient Spirit Dragon

Monsters Forgotten Realms: Adventures in Faerûn

is halved, it can’t take Reactions, and it can take either an action or a Bonus Action on its turn, not both. It repeats the save at the end of each of its turns, ending the effect on itself on

art of humanoid societies. Spirit dragons find even the most commonplace melodies moving. A song written in the time and region from which a spirit dragon hails can potentially overwhelm the dragon

Adult Spirit Dragon

Monsters Forgotten Realms: Adventures in Faerûn

take either an action or a Bonus Action on its turn, not both. It repeats the save at the end of each of its turns, ending the effect on itself on a success. After 1 minute, it succeeds

appreciation for the culture and art of humanoid societies. Spirit dragons find even the most commonplace melodies moving. A song written in the time and region from which a spirit dragon hails can

Defensive Duelist Legacy

Feats Player’s Handbook (2014)

When you are wielding a finesse weapon with which you are proficient and another creature hits you with a melee attack, you can use your reaction to add your proficiency bonus to your AC for that attack, potentially causing the attack to miss you.

Traveler's Guide

Equipment

These handy books contain detailed information on a single large city or notable destination chosen by the GM. Most of these guides were written by Jonall, though some were written by other notable

explorers. A traveler’s guide allows you to add your proficiency bonus to any Intelligence checks you make related to the destination it details.

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

them into flind;flinds. Yeenoghu takes pleasure in causing fear before death, and he sows sorrow and despair through destroying beloved things. He doesn’t parlay; to meet him is to do battle with

count 20, all gnoll;gnolls and hyena;hyenas within the lair are enraged, causing them to have advantage on melee weapon attack rolls and causing attack rolls to have advantage against them. Iron Spike

Stone Defender Legacy

Monsters Mordenkainen’s Tome of Foes

. In response to another creature within 5 feet of it being hit by an attack roll, the stone defender gives that creature a +5 bonus to its AC against that attack, potentially causing a miss. To use this

Flame Tongue Legacy

Magic Items Basic Rules (2014)

You can use a bonus action to speak this magic sword's command word, causing flames to erupt from the blade. These flames shed bright light in a 40-foot radius and dim light for an additional 40 feet

. While the sword is ablaze, it deals an extra 2d6 fire damage to any target it hits. The flames last until you use a bonus action to speak the command word again or until you drop or sheathe the sword.

Illusionist Legacy

Monsters Volo's Guide to Monsters

* *Illusion spell of 1st level or higher Displacement (Recharges after the Illusionist Casts an Illusion Spell of 1st Level or Higher). As a bonus action, the illusionist projects an illusion that makes

the illusionist appear to be standing in a place a few inches from its actual location, causing any creature to have disadvantage on attack rolls against the illusionist. The effect ends if the

Yeenoghu Legacy

Monsters Out of the Abyss

, causing them to have advantage on melee weapon attack rolls and causing attack rolls to have advantage against them. Regional Effects The region containing Yeenoghu’s lair is warped by his

. When Yeenoghu reduces a creature to 0 hit points with a melee attack on his turn, Yeenoghu can take a bonus action to move up to half his speed and make a bite attack.Multiattack. Yeenoghu makes three

Tiny Servant

spells Xanathar's Guide to Everything

, becoming a creature under your control until the spell ends or the creature drops to 0 hit points. See Tiny Servant for its statistics. As a bonus action, you can mentally command the creature if it

creature will take and where it will move during its next turn, or you can issue a simple, general command, such as to fetch a key, stand watch, or stack some books. If you issue no commands, the

Vampire Legacy

Monsters Basic Rules (2014)

, 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

. The beasts remain for 1 hour, until the vampire dies, or until the vampire dismisses them as a bonus action.The vampire can take 3 legendary actions, choosing from the options below. Only one

Vampire Spellcaster Legacy

Monsters Monster Manual (2014)

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;{"diceNotation":"2d4

, acting as allies of the vampire and obeying its spoken commands. The beasts remain for 1 hour, until the vampire dies, or until the vampire dismisses them as a bonus action.The vampire can take 3

Vampire Warrior Legacy

Monsters Monster Manual (2014)

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

the Night"} rounds, acting as allies of the vampire and obeying its spoken commands. The beasts remain for 1 hour, until the vampire dies, or until the vampire dismisses them as a bonus action.The

Dire Corby

Monsters Mordenkainen's Fiendish Folio Volume 1

predictable patterns of movement like migrating birds. They strip a region bare of the lichens, fungus, and vermin that comprise their diet before moving on to a fresh feeding ground. Underdark

. Their song has a strange magical current to it, causing those who hear it to suffer a stomach-churning vertigo that makes it impossible to move at speed or climb cave walls. Spellcasters suffer as their

Balhannoth

Monsters Mordenkainen Presents: Monsters of the Multiverse

parts or magical properties. Any object created in this area is, upon close inspection, revealed as a fake. Books are filled with empty pages, golden items are obvious counterfeits, and so on. The

transformation lasts until the balhannoth dies or takes this lair action again. Regional Effects A region containing a balhannoth’s lair becomes warped by the creature’s unnatural presence

Quandrix Professor of Substance

Monsters Strixhaven: A Curriculum of Chaos

Translation (2/Day). When the professor is hit by an attack roll, it can increase its AC by 3 against that attack, potentially causing it to miss. The professor can then teleport, along with any equipment

professor magically alters its physical form until it uses this bonus action again, until it is incapacitated or dies, or until it dismisses the effect (no action required). Choose one of the following

Balhannoth Legacy

Monsters Mordenkainen’s Tome of Foes

material only and can’t create anything with moving parts or magical properties. Any object created in this area is, upon close inspection, revealed as a fake. Books are filled with empty pages

the balhannoth attacks the target. Regional Effects A region containing a balhannoth’s lair becomes warped by the creature’s unnatural presence, which creates one or more of the

Glaive

Monsters Vecna: Eve of Ruin

blighted region. Among the blades, Glaive is best known for her talent at self-modification. “Glaive” is etched onto the back of her neck-plate. It is the only name Glaive has ever known

advantage on Strength checks and Strength saving throws. When Glaive makes a melee weapon attack, she gains a +4 bonus to the damage roll. Glaive’s speed increases to 50 feet.

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