back brain during causing rolls

Pirate Admiral

Monsters Monster Manual

start of its next turn, possibly causing the attacks to miss.Rally (1/Day). The pirate chooses up to three other creatures it can see within 30 feet. Until the start of the pirate’s next turn, the targets have Advantage on attack rolls and saving throws.

damage.Defensive Stance. Trigger: The pirate is hit by a melee attack roll while holding a weapon. Response: The pirate adds 4 to its AC against melee attack rolls (including the triggering attack) until the

Quarterstaff of the Acrobat

Magic Items Dungeon Master’s Guide

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

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

Hobgoblin Warlord

Monsters Monster Manual

Aura of Authority. While in a 30-foot Emanation originating from the hobgoblin, the hobgoblin and its allies have Advantage on attack rolls and saving throws, provided the hobgoblin doesn’t

by a melee attack roll while holding a weapon: Response: The hobgoblin adds 3 to its AC against that attack, possibly causing it to miss.

Dwarven Thrower

Magic Items Dungeon Master’s Guide

You gain a +3 bonus to attack rolls and damage rolls made with this magic weapon. It has the Thrown property with a normal range of 20 feet and a long range of 60 feet. When you hit with a ranged

attack using this weapon, it deals an extra 1d8 Force damage, or an extra 2d8 Force damage if the target is a Giant. Immediately after hitting or missing, the weapon flies back to your hand.

Death Knight Aspirant

Monsters Monster Manual

-foot Emanation originating from it have Advantage on attack rolls and saving throws. It can’t use this trait if it has the Incapacitated condition.Multiattack. The aspirant makes three Dread Blade

holding a weapon. Response: The aspirant adds 4 to its AC against that attack, possibly causing it to miss.Necrotic, Poison

Dispel Evil and Good

Spells Player’s Handbook

For the duration, Celestials, Elementals, Fey, Fiends, and Undead have Disadvantage on attack rolls against you. You can end the spell early by using either of the following special functions. Break

Charisma saving throw or be sent back to its home plane if it isn’t there already. If they aren’t on their home plane, Undead are sent to the Shadowfell, and Fey are sent to the Feywild.

Cloak of Displacement

Magic Items Dungeon Master’s Guide

While you wear this cloak, it magically projects an illusion that makes you appear to be standing in a place near your actual location, causing any creature to have Disadvantage on attack rolls

Death Knight

Monsters Monster Manual

magical effects. Marshal Undead. Undead creatures of the death knight’s choice (excluding itself) in a 60-foot Emanation originating from it have Advantage on attack rolls and saving throws. It

MagicParry. Trigger: The death knight is hit by a melee attack roll while holding a weapon. Response: The death knight adds 6 to its AC against that attack, possibly causing it to miss.Legendary Action

Hammer of Thunderbolts

Magic Items Dungeon Master’s Guide

You gain a +1 bonus to attack rolls and damage rolls made with this magic weapon. The weapon has 5 charges. You can expend 1 charge and make a ranged attack with the weapon, hurling it as if it had

feet of it other than you must succeed on a DC 17 Constitution saving throw or have the Stunned condition until the end of your next turn. Immediately after hitting or missing, the weapon flies back

Dancing Sword

Magic Items Dungeon Master’s Guide

. The weapon uses your attack roll and adds your ability modifier to damage rolls. While the weapon hovers, you can take a Bonus Action to cause it to fly up to 30 feet to another spot within 30 feet of

you. As part of the same Bonus Action, you can cause the weapon to attack one creature within 5 feet of the weapon. After the hovering weapon attacks for the fourth time, it flies back to you and

Energy Bow

Magic Items Dungeon Master’s Guide

You gain a +1 bonus to attack rolls and damage rolls made with this magic weapon, which has no string. Each time you pull your arm back in a firing motion, a magical arrow made of golden energy

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

Whelm

Magic Items Dungeon Master’s Guide

Whelm is a powerful weapon forged by dwarves and lost in the dungeon of White Plume Mountain. You gain a +3 bonus to attack rolls and damage rolls made with this magic weapon. Hurl. Whelm has the

if the target is a Construct, an Elemental, or a Giant. Immediately after hitting or missing, the weapon flies back to your hand. Shock Wave. You can take a Magic action to strike the ground with

Blackrazor

Magic Items Dungeon Master’s Guide

attack rolls and damage rolls made with this magic weapon. If you hit an Undead with this weapon, you take 1d10 Necrotic damage, and the target regains 1d10 Hit Points. If this Necrotic damage reduces you

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.

Medani Inquisitive

Monsters Eberron: Forge of the Artificer

":"3d6", "rollType":"damage", "rollAction":"Inquisitive Eye", "rollDamageType":"Psychic"} Psychic damage, and the target is marked. The inquisitive has Advantage on attack rolls against a target it

attack, possibly causing it to miss. <p>The most prized inquisitives of House Medani, a house of mostly Khoravar, employ their dragonmarks and their keen intellects to anticipate threats from any

Elder Brain Legacy

Monsters Volo's Guide to Monsters

":"psychic"} psychic damage. Sever Psychic Link. The elder brain targets a creature within 120 feet of it with which it has a psychic link. The elder brain ends the link, causing the creature to have

disadvantage on all ability checks, attack rolls, and saving throws until the end of the creature’s next turn.An Elder Brain’s Lair The lair of an elder brain always lies deep in the heart

Elder Brain

Monsters Mordenkainen Presents: Monsters of the Multiverse

Link. The elder brain targets one creature within 120 feet of it with which it has a psychic link. The elder brain ends the link, causing the creature to have disadvantage on all ability checks

, attack rolls, and saving throws until the end of the creature’s next turn. Tentacle (Costs 2 Actions). The elder brain makes one Tentacle attack.The ultimate expression of mind flayer domination

Ulitharid

Monsters Mordenkainen Presents: Monsters of the Multiverse

staff; when the ulitharid is ready to give up its life, it attaches the staff to the back of its head, and the staff cracks open its skull, enabling its brain to be extracted. The brain and the staff

are then planted in the ulitharid’s corpse, causing it to dissolve into ichor. This psionically potent slime helps to fuel the transformation of the area into a brine pool for the embryonic elder brain.

Brain in a Jar

Monsters Icewind Dale: Rime of the Frostmaiden

target is Undead, it also has disadvantage on attack rolls against the brain until the end of the brain’s next turn. Mind Blast (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge

Detect Sentience. The brain can sense the presence and location of any creature within 300 feet of it that has an Intelligence of 3 or higher, regardless of interposing barriers, unless the creature

Refraction of Ilvaash

Monsters Phandelver and Below: The Shattered Obelisk

. The refraction targets a creature within 120 feet of itself and disrupts its mental processes, causing the target to have disadvantage on all ability checks, attack rolls, and saving throws until the

-Brain. When Ilsensine left the Far Realm to establish a divine domain elsewhere, pieces of the God-Brain sloughed away and awoke to sentience. This is Ilvaash, the Dissonant Psyche. The refraction of

Mind Flayer Clairvoyant

Monsters Phandelver and Below: The Shattered Obelisk

grappled condition (escape DC 17) and must succeed on a DC 17 Intelligence saving throw or have the incapacitated condition until the grapple ends. Extract Brain. Melee Weapon Attack: +9;{"diceNotation

":"1d20+9", "rollType":"to hit", "rollAction":"Extract Brain"} to hit, reach 5 ft., one incapacitated Humanoid grappled by the mind flayer. Hit: 55 (10d10);{"diceNotation":"10d10", "rollType":"damage

Mind Flayer Prophet

Monsters Phandelver and Below: The Shattered Obelisk

Awareness. The mind flayer has advantage on initiative rolls and can’t be surprise;surprised as long as it doesn’t have the incapacitated condition. Magic Resistance. The mind flayer has

grappled condition (escape DC 16) and must succeed on a DC 16 Intelligence saving throw or have the stunned condition until the grapple ends. Extract Brain. Melee Weapon Attack: +8;{"diceNotation":"1d20+8

Displacer Beast Legacy

Monsters Monster Manual (2014)

half damage if it fails. Displacement. The displacer beast projects a magical illusion that makes it appear to be standing near its actual location, causing attack rolls against it to have disadvantage

Gray Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

Shapechanger. The slaad can use its action to polymorph into a Small or Medium humanoid, or back into its true form. Its statistics, other than its size, are the same in each form. Any equipment it

. Regeneration. The slaad regains 10 hit points at the start of its turn if it has at least 1 hit point. Control Gem. Implanted in the slaad’s brain is a magic control gem. The slaad must obey

Death Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

Shapechanger. The slaad can use its action to polymorph into a Small or Medium humanoid, or back into its true form. Its statistics, other than its size, are the same in each form. Any equipment it

Gem. Implanted in the slaad's brain is a magic control gem. The slaad must obey whoever possesses the gem and is immune to being charmed while so controlled. Certain spells can be used to acquire the

Green Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

Shapechanger. The slaad can use its action to polymorph into a Small or Medium humanoid, or back into its true form. Its statistics, other than its size, are the same in each form. Any equipment it

slaad's brain is a magic control gem. The slaad must obey whoever possesses the gem and is immune to being charmed while so controlled. Certain spells can be used to acquire the gem. If the slaad

Displacer Beast Kitten

Monsters The Wild Beyond the Witchlight

Displacement. The displacer beast projects a magical illusion that makes it appear to be standing near its actual location, causing attack rolls against it to have disadvantage. If it is hit by an

Red Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

point. Control Gem. Implanted in the slaad's brain is a magic control gem. The slaad must obey whoever possesses the gem and is immune to being charmed while so controlled. Certain spells can be used to

, the host starts to feel unwell, its speed is halved, and it has disadvantage on attack rolls, ability checks, and saving throws. At birth, the tadpole chews its way through vital organs and out of

Elder Brain Dragon

Monsters Fizban's Treasury of Dragons

away when a colony manages to capture a dragon. Teams of mind flayers bind the dragon, which is subject to a gruesome transformation as the elder brain latches onto the dragon’s back and digs its

available to those who must contend with a mind flayer colony is the limit of its reach, which spreads only as far as the influence of the colony’s elder brain. But this small solace withers

Cloak of Displacement Legacy

Magic Items Basic Rules (2014)

While you wear this cloak, it projects an illusion that makes you appear to be standing in a place near your actual location, causing any creature to have disadvantage on attack rolls against you. If

Dispel Evil and Good Legacy

Spells Basic Rules (2014)

disadvantage on attack rolls against you. You can end the spell early by using either of the following special functions. Break Enchantment. As your action, you touch a creature you can reach that is

action, make a melee spell attack against a celestial, an elemental, a fey, a fiend, or an undead you can reach. On a hit, you attempt to drive the creature back to its home plane. The creature must

Resurrection Legacy

Spells Basic Rules (2014)

removed prior to casting the spell, they afflict the target on its return to life. This spell closes all mortal wounds and restores any missing body parts. Coming back from the dead is an ordeal

. The target takes a −4 penalty to all attack rolls, saving throws, and ability checks. Every time the target finishes a long rest, the penalty is reduced by 1 until it disappears. Casting this

Beast Bond

Spells Elemental Evil Player's Companion

and concepts back to you. While the link is active, the beast gains advantage on attack rolls against any creature within 5 feet of you that you can see.

Clapperclaw the Scarecrow

Monsters The Wild Beyond the Witchlight

harengon brigands, who stole its head, which the scarecrow describes as a most glorious stag skull. It desperately wants its head back, and it’s a bit self-conscious about its replacement head: a

hollow gourd that now sits askew on its shoulders. Eight copper coins are sealed inside the gourd, causing the head to rattle whenever Clapperclaw nods, turns, or shakes its head. Roleplaying Notes

Vampiric Mind Flayer

Monsters Van Richten’s Guide to Ravenloft

disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight. Unusual Nature. The mind flayer doesn’t require air, food, or sleep.Multiattack. The mind flayer makes

psychic damage dies.When the mind flayers of Bluetspur (see chapter 3) could find no cure for their overlord’s affliction, their degenerating elder brain turned to radical methods to stave off

D&D Beyond

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