back before detect check reduces

Poisoner's Kit

Equipment

Ability: Intelligence Utilize: Detect a poisoned object (DC 10) Craft: Basic Poison If you have proficiency with a tool, add your Proficiency Bonus to any ability check you make that uses the tool

. If you have proficiency in a skill that’s used with that check, you have Advantage on the check too.

Cook's Utensils

Equipment

Ability: Wisdom Utilize: Improve food’s flavor (DC 10), or detect spoiled or poisoned food (DC 15) Craft: Rations If you have proficiency with a tool, add your Proficiency Bonus to any

ability check you make that uses the tool. If you have proficiency in a skill that’s used with that check, you have Advantage on the check too.

Brewer's Supplies

Equipment

Ability: Intelligence Utilize: Detect poisoned drink (DC 15), or identify alcohol (DC 10) Craft: Antitoxin If you have proficiency with a tool, add your Proficiency Bonus to any ability check you

make that uses the tool. If you have proficiency in a skill that’s used with that check, you have Advantage on the check too.

Yochlol

Monsters Monster Manual

Advantage on saving throws against spells and other magical effects. Spider Climb. The yochlol can climb difficult surfaces, including along ceilings, without needing to make an ability check. Web

spellcasting ability (spell save DC 15): At Will: Detect Thoughts, Gaseous Form (self only), Web1/Day: Dominate PersonToxic Escape. Trigger: The yochlol is hit by an attack roll. Response: The yochlol

Phase Spider

Monsters Monster Manual

, without needing to make an ability check. Web Walker. The spider ignores movement restrictions caused by webs, and the spider knows the location of any other creature in contact with the same

. If this damage reduces the target to 0 Hit Points, the target becomes Stable, and it has the Poisoned condition for 1 hour. While Poisoned, the target also has the Paralyzed condition.Ethereal Jaunt. The spider teleports from the Material Plane to the Ethereal Plane or vice versa.

Sphinx of Secrets

Monsters Monster Manual

Inscrutable. No magic can observe the sphinx remotely or detect its thoughts without its permission. Wisdom (Insight) checks made to ascertain its intentions or sincerity are made with Disadvantage

15 Intelligence saving throw or that action is wasted. The cursed target can take a Study action to make a DC 15 Intelligence check, solving the riddle and ending the curse on a success. The curse ends

Mind Flayer Arcanist

Monsters Monster Manual

liquid large enough to support the target. If this damage reduces the target to 0 Hit Points, the mind flayer kills it and magically devours its brain. Mind Burst (Recharge 5–6);{"diceNotation":"1d6

: Half damage only. Spellcasting. The mind flayer casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 17): At Will: Detect

Mind Flayer

Monsters Monster Manual

":"Piercing"} Piercing damage. Success: Half damage. Failure or Success: If this damage reduces the target to 0 Hit Points, the mind flayer kills it and devours its brain. Mind Blast (Recharge 5–6

. Spellcasting. The mind flayer casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 15): At Will: Detect Thoughts 1/Day Each: Dominate Monster, Plane Shift (self only)Psychic

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

condition for 1 minute. As an action, a creature Restrained by an arrow can make a DC 20 Strength (Athletics) check to try to break the restraint, ending the effect on itself on a successful check

Ancient Copper Dragon

Monsters Monster Manual

ability (spell save DC 21): At Will: Detect Magic, Mind Spike (level 5 version), Minor Illusion, Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no

turn, the target rolls 1d8;{"diceNotation":"1d8", "rollType":"roll", "rollAction":"Giggling Magic"} whenever it makes an ability check or attack roll and subtracts the number rolled from the D20 Test

Adult Copper Dragon

Monsters Monster Manual

ability (spell save DC 17): At Will: Detect Magic, Mind Spike (level 4 version), Minor Illusion, Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no

rolls 1d6;{"diceNotation":"1d6", "rollType":"roll", "rollAction":"Giggling Magic"} whenever it makes an ability check or attack roll and subtracts the number rolled from the D20 Test. Failure or

Whelm

Magic Items Dungeon Master’s Guide

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

. Supernatural Awareness. While you are holding the weapon, it alerts you to the location of any secret or concealed doors within 30 feet of you. In addition, you can cast Detect Evil and Good or Locate

Arch-hag

Monsters Monster Manual

spellcasting ability (spell save DC 22): At Will: Detect Thoughts, Dimension Door,Dispel Magic, Hypnotic Pattern 2/Day Each: Mass Suggestion, Modify Memory, Plane Shift Tongue Twister. The

(excluding the hag and its allies) within 1 mile of the lair subtract 1d10;{"diceNotation":"1d10", "rollType":"roll", "rollAction":"Lapsus Linguae"} from any ability check they make when they take the

Apparatus of Kwalish

Magic Items Dungeon Master’s Guide

This item first appears to be a sealed iron barrel weighing 500 pounds. The barrel has a hidden catch, which can be found with a successful DC 20 Intelligence (Investigation) check. Releasing the

the apparatus’s levers up or down. After each use, a lever goes back to its neutral position. Each lever, from left to right, functions as shown in the Apparatus of Kwalish Levers table

Book of Vile Darkness

Magic Items Dungeon Master’s Guide

cast that spell again from it until the next dawn. Vile Lore. You can reference the Book of Vile Darkness whenever you make an Intelligence check to recall information about some aspect of evil, such as

lore about demons. When you do so, you have Advantage on that check. At the DM’s discretion, the book might reveal secrets no mortal should know, such as the true names of powerful Fiends

Mark of Detection

Feats Eberron: Forge of the Artificer

You gain the following benefits. Deductive Intuition. When you make an Intelligence (Investigation) or Wisdom (Insight) check, you can roll 1d4 and add the number rolled to the ability check

. Magical Detection. You always have the Detect Magic and Detect Poison and Disease spells prepared. You can cast each spell once without a spell slot, and you regain the ability to cast it in that way when

Jacko

Monsters Heroes of the Borderlands

Jacko’s appearance can make a DC 13 Intelligence (Investigation) check, discerning his disguise on a successful check.Multiattack. Jacko makes two Poison Dagger attacks. Poison Dagger. Melee or

customers parrot his cheesy slogan: “Jacko always has your back-o.”Cunning Action. Jacko takes the Dash, Disengage, or Hide action.

Aranea

Monsters Forgotten Realms: Adventures in Faerûn

Spider Climb (Hybrid or Spider Form Only). The aranea can climb difficult surfaces, including along ceilings, without needing to make an ability check. Web Walker. The aranea ignores movement

humanoid-spider hybrid form, or back into its true spider form. Its game statistics are the same in each form, except where noted. Any equipment it is wearing or carrying isn’t transformed.

Mechanical Wonder

Magic Items Forgotten Realms: Heroes of Faerûn

Mechanical Determination. If damage reduces the wonder to 0 Hit Points, it makes a Constitution saving throw with a DC of 5 plus the damage taken unless the damage is Lightning or from a Critical Hit. On

check it makes with a Musical Instrument or Tinker's Tools. Sprint. The wonder takes the Dash action. Gyrocopter Wonder (Rare). This wagon-sized vehicle is made of brassy metal and has a spiral-shaped

Phase Spider Legacy

Monsters Basic Rules (2014)

upside down on ceilings, without needing to make an ability check. Web Walker. The spider ignores movement restrictions caused by webbing.Bite. Melee Weapon Attack: +4;{"diceNotation":"1d20+4","rollType

as much damage on a successful one. If the poison damage reduces the target to 0 hit points, the target is stable but poisoned for 1 hour, even after regaining hit points, and is paralyzed while

Whisper Jar

Magic Items Acquisitions Incorporated

, you ask the jar for information on a specific subject and make a DC 15 Intelligence (History) check. On a success, the jar plays back a recording on that subject, made somewhere, sometime by another

observations, like a verbal notebook with unlimited space. The whisper jar records as fast as a creature can speak into it, and whispers back words at the same pace they were recorded. Activating the

Night Hag Legacy

Monsters Basic Rules (2014)

). She can innately cast the following spells, requiring no material components: At will: detect magic, magic missile 2/day each: plane shift (self only), ray of enfeeblement, sleep Magic

polymorphs into a Small or Medium female humanoid, or back into her true form. Her statistics are the same in each form. Any equipment she is wearing or carrying isn't transformed. She reverts to her true

Detect Thoughts Legacy

Spells Basic Rules (2014)

creature’s thoughts, the creature can use its action on its turn to make an Intelligence check contested by your Intelligence check; if it succeeds, the spell ends. Questions verbally directed at

the target creature naturally shape the course of its thoughts, so this spell is particularly effective as part of an interrogation. You can also use this spell to detect the presence of thinking

Warp Sense

Spells Planescape: Adventures in the Multiverse

For the duration, you sense the presence of portals, even inactive ones, within 30 feet of yourself. If you detect a portal in this way, you can use your action to study it. Make a DC 15 ability

check using your spellcasting ability. On a successful check, you learn the destination plane of the portal and what portal key it requires, then the spell ends. On a failed check, you learn nothing and

Night Hag (Coven Variant) Legacy

Monsters Monster Manual (2014)

). She can innately cast the following spells, requiring no material components: At will: detect magic, magic missile 2/day each: plane shift (self only), ray of enfeeblement, sleep Magic

humanoid, or back into her true form. Her statistics are the same in each form. Any equipment she is wearing or carrying isn't transformed. She reverts to her true form if she dies. Etherealness. The hag

Djinni Legacy

Monsters Basic Rules (2014)

, requiring no material components: At will: detect evil and good, detect magic, thunderwave 3/day each: create food and water (can create wine instead of water) , tongues, wind walk 1/day each

loses sight of it. A creature can use its action to free a creature restrained by the whirlwind, including itself, by succeeding on a DC 18 Strength check. If the check succeeds, the creature is no longer restrained and moves to the nearest space outside the whirlwind.Lightning, Thunder

Yochlol Legacy

Monsters Monster Manual (2014)

Shapechanger. The yochlol can use its action to polymorph into a form that resembles a female drow or giant spider, or back into its true form. Its statistics are the same in each form. Any equipment

. Spider Climb. The yochlol can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Innate Spellcasting. The yochlol’s spellcasting ability is

Yochlol (Summoner Variant) Legacy

Monsters Monster Manual (2014)

Shapechanger. The yochlol can use its action to polymorph into a form that resembles a female drow or giant spider, or back into its true form. Its statistics are the same in each form. Any equipment

. Spider Climb. The yochlol can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Innate Spellcasting. The yochlol’s spellcasting ability is

Planar Wanderer

Feats Planescape: Adventures in the Multiverse

action, you can concentrate on a portal you’re aware of that is within 5 feet of yourself and make a DC 20 Intelligence (Arcana) check. On a failed check, you take 3d8 psychic damage and can’t

use this benefit on that portal again until you finish a long rest. On a successful check, you can force the portal open or closed for 1 hour. For that duration, the portal doesn’t respond to

Giant Spider Legacy

Monsters Basic Rules (2014)

Spider Climb. The spider can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Web Sense. While in contact with a web, the spider knows the exact

much damage on a successful one. If the poison damage reduces the target to 0 hit points, the target is stable but poisoned for 1 hour, even after regaining hit points, and is paralyzed while poisoned

Gelatinous Cube (Giant Ooze variant)

Monsters Waterdeep: Dungeon of the Mad Mage

check, and the creature making the attempt takes 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollDamageType":"acid"} acid damage. The cube can hold up to nine Large creatures or up to thirty-six

Medium or smaller creatures inside it at a time. When the cube shrinks back to normal size, any creatures that it can no longer contain are expelled into unoccupied spaces around it. Transparent. Even

Giant Wolf Spider Legacy

Monsters Basic Rules (2014)

Spider Climb. The spider can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check. Web Sense. While in contact with a web, the spider knows the exact

much damage on a successful one. If the poison damage reduces the target to 0 hit points, the target is stable but poisoned for 1 hour, even after regaining hit points, and is paralyzed while poisoned in

Yuan-ti Mind Whisperer Legacy

Monsters Volo's Guide to Monsters

, crown of madness, detect thoughts, expeditious retreat, fly, hypnotic pattern, illusory script Sseth's Blessing. When the yuan-ti reduces an enemy to 0 hit points, the yuan-ti gains 9 temporary hit

Shapechanger. The yuan-ti can use its action to polymorph into a Medium snake or back into its true form. Its statistics are the same in each form. Any equipment it is wearing or carrying isn't

Gelatinous Cube Legacy

Monsters Basic Rules (2014)

check, and the creature making the attempt takes 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollDamageType":"acid"} acid damage. The cube can hold only one Large creature or up to four Medium

or smaller creatures inside it at a time. Transparent. Even when the cube is in plain sight, it takes a successful DC 15 Wisdom (Perception) check to spot a cube that has neither moved nor attacked

Dao Legacy

Monsters Monster Manual (2014)

: detect evil and good, detect magic, stone shape 3/day each: passwall, move earth, tongues 1/day each: conjure elemental (earth elemental only), gaseous form, invisibility, phantasmal killer, plane

target. Hit: 20 (4d6 + 6);{"diceNotation":"4d6+6","rollType":"damage","rollAction":"Maul","rollDamageType":"bludgeoning"} bludgeoning damage. If the target is a Huge or smaller creature, it must succeed on a DC 18 Strength check or be knocked prone.

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