mechanical stored with only arrives fail for long

Ring of Djinni Summoning

Magic Items Dungeon Master’s Guide

. It remains as long as you maintain Concentration, to a maximum of 1 hour, or until it drops to 0 Hit Points. While summoned, the djinni is Friendly to you and your allies, and it obeys your commands

. If you fail to command it, the djinni defends itself against attackers but takes no other actions. After the djinni departs, it can’t be summoned again for 24 hours, and the ring becomes

Mage Slayer

Feats Player’s Handbook

damage a creature that is concentrating, it has Disadvantage on the saving throw it makes to maintain Concentration. Guarded Mind. If you fail an Intelligence, a Wisdom, or a Charisma saving throw

, you can cause yourself to succeed instead. Once you use this benefit, you can’t use it again until you finish a Short or Long Rest.

Folding Boat

Magic Items Dungeon Master’s Guide

This object appears as a wooden box that measures 12 inches long, 6 inches wide, and 6 inches deep. It weighs 4 pounds and floats. It can be opened to store items inside. This item also has three

so. When the box becomes a vessel, its weight becomes that of a normal vessel its size, and anything that was stored in the box remains in the boat. Statistics for the Rowboat and Keelboat appear

Book of Exalted Deeds

Magic Items Dungeon Master’s Guide

last only as long as you strive to do good. If you fail to perform at least one act of kindness or generosity within the span of 10 days, or if you willingly perform an evil act, you lose all the

vanishes to some other corner of the multiverse where its moral guidance can bring hope to an endangered world. Although attempts have been made to copy the work, efforts to do so fail to capture its

Book of Vile Darkness

Magic Items Dungeon Master’s Guide

remains with you only as long as you strive to work evil in the world. If you fail to perform at least one evil act within the span of 10 days, or if you willingly perform a good act, the book

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

Hat of Many Spells

Magic Items Dungeon Master’s Guide

its normal casting time, and you can’t use this property again until you finish a Short or Long Rest. On a failed check, you fail to cast the spell and a random effect occurs instead

Wish

Spells Player’s Handbook

the wish, the greater the likelihood that something goes wrong. This spell might simply fail, the effect you desire might be achieved only in part, or you might suffer an unforeseen consequence as a

cast a spell until you finish a Long Rest, you take 1d10 Necrotic damage per level of that spell. This damage can’t be reduced or prevented in any way. In addition, your Strength score becomes 3

Advanced Detention Drone

Monsters The Book of Many Things

do so, the wearer must cast the spell on the drone. The spell has no effect but is stored within the drone. When commanded to do so by the wearer or when a situation arises that was predefined by the

spellcaster, the drone casts the stored spell with any parameters set by the original caster, requiring no components. When the spell is cast or a new spell is stored, any previously stored spell is

Manshoon

Monsters Forgotten Realms: Adventures in Faerûn

;ve outlived their usefulness. Manshoon doesn’t care who suffers so long he’s able to crush his many enemies and force his subjects into paranoid and eager obedience. History The

knowledge of an even older version of himself. One of Manshoon’s enemies, Halaster Blackcloak, removed Manshoon’s left arm at the elbow. Manshoon now uses a mechanical prosthetic arm

Aberrant Dragonmark

Feats Eberron: Forge of the Artificer

Dragonmark Feat (Prerequisite: Eberron Campaign, Can’t Have Another Dragonmark Feat) You gain the following benefits. Aberrant Fortitude. When you fail a Constitution saving throw, you can

Long Rest. Aberrant Magic. You know one cantrip of your choice from the Sorcerer spell list. Also, choose a level 1 spell from that spell list. You always have that spell prepared. You can cast it once

Mythal Touched

Feats Forgotten Realms: Heroes of Faerûn

General Feat (Prerequisite: Level 4+) Ability Score Increase. Increase your Intelligence, Wisdom, or Charisma score by 1, to a maximum of 20. Mythal Ward. If a spell attack hits you or you fail a

the ability increased by this feat and your Proficiency Bonus. You can use this benefit a number of times equal to your Proficiency Bonus, and you regain all expended uses when you finish a Long Rest

Shield Guardian Legacy

Monsters Basic Rules (2014)

Bound. The shield guardian is magically bound to an amulet. As long as the guardian and its amulet are on the same plane of existence, the amulet's wearer can telepathically call the guardian to

cause the guardian to store one spell of 4th level or lower. To do so, the wearer must cast the spell on the guardian. The spell has no effect but is stored within the guardian. When commanded to do

Shield Guardian Detention Drone

Monsters The Book of Many Things

Bound. The drone is magically bound to an amulet. As long as the drone and its amulet are on the same plane of existence, the drone’s wearer can telepathically call the drone to travel to it

spell of 4th level or lower. To do so, the wearer must cast the spell on the drone. The spell has no effect but is stored within the drone. When commanded to do so by the wearer or when a situation

Ashyra's Research Notes

Equipment

Ashyra;Ashyra's research notes about magic and necromancy are organized and indexed. When you fail an Intelligence (Arcana) check to recall lore, you can spend 1 hour during a short or long rest

Stone Shape Legacy

Spells Basic Rules (2014)

large rock into a weapon, idol, or coffer, or make a small passage through a wall, as long as the wall is less than 5 feet thick. You could also shape a stone door or its frame to seal the door shut

. The object you create can have up to two hinges and a latch, but finer mechanical detail isn't possible.

Folding Boat Legacy

Magic Items Basic Rules (2014)

This object appears as a wooden box that measures 12 inches long, 6 inches wide, and 6 inches deep. It weighs 4 pounds and floats. It can be opened to store items inside. This item also has three

command words, each requiring you to use an action to speak it. One command word causes the box to unfold into a boat 10 feet long, 4 feet wide, and 2 feet deep. The boat has one pair of oars, an anchor

Snapping Hydra

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

, it’s never long before a hungry or curious creature arrives to investigate, leaping into battle with the hydra’s foes while the hydra makes an opportune exit.

shorelines where the wilds meet the ocean. These monstrous creatures are aptly named; their bites are known to snap giants’ arms cleanly in half. Snapping hydras have naturally long life spans and

Worker Robot

Monsters Quests from the Infinite Staircase

worker robots fill public-facing service roles. Antigravity technology and built-in tractor beams allow worker robots to effortlessly lift cargo and other heavy objects with their mechanical tentacles

specialized for its role. Robots are programmed with intelligence, understanding, and usually loyalty to their creators. Despite that, long-operating robots sometimes develop their own personalities and ideas

Woe Strider

Monsters Mythic Odysseys of Theros

destiny. Over centuries, these cosmic blasphemers transform into hunched, long-limbed horrors. Sadistic things, woe striders seek ways to reweave themselves into the tapestry of destiny. This leads

them to search for answers within the bowels of other beings, performing murderous haruspicy in pursuit of their discarded cosmic purpose. When they fail to find answers, their unnatural cries cause reality to shudder, undermining magic and sane minds alike.

Ring of Djinni Summoning Legacy

Magic Items Basic Rules (2014)

feet of you. It remains as long as you concentrate (as if concentrating on a spell), to a maximum of 1 hour, or until it drops to 0 hit points. It then returns to its home plane. While summoned, the

djinni is friendly to you and your companions. It obeys any commands you give it, no matter what language you use. If you fail to command it, the djinni defends itself against attackers but takes no

Helm of the Gods

Magic Items Mythic Odysseys of Theros

. Whenever you finish a long rest while wearing the helm, you can pray to one of the gods listed on the Helm of the Gods table and store the listed spell in the helm, replacing any spell that is already stored

Hellfire Engine

Monsters Mordenkainen Presents: Monsters of the Multiverse

half as much damage on a successful one. Creatures that fail the saving throw are drenched in burning acid and take 5 (1d10);{"diceNotation":"1d10","rollType":"damage","rollDamageType":"fire"} fire

these magical-mechanical hybrids gets loose, driven berserk by its need to destroy. Hellfire engines take many forms, but all of them have one purpose: to mow down foes in waves. They are incapable of

Firbolg Legacy

Species Volo's Guide to Monsters

sense and remarkable resourcefulness. During a bountiful summer, they store away excess nuts, fruit, and berries. When winter arrives, they scatter everything they can spare to ensure the animals of the

tactics fail, the firbolgs take more direct action. Their observations of a settlement determine what happens next. If the outsiders seem peaceful, the firbolgs approach and gently ask them to leave, even

Duergar Despot

Monsters Mordenkainen Presents: Monsters of the Multiverse

":"damage", "rollAction":"Stomping Foot", "rollDamageType":"bludgeoning"} to a prone target. Flame Jet. The duergar spews flames in a line 100 feet long and 5 feet wide. Each creature in the line must

will: mage hand, minor illusion 1/day: stinking cloudDuergar despots replace parts of their bodies with mechanical devices that they control through their psionic abilities. Duergar Duergar are

Book of Exalted Deeds Legacy

Magic Items Dungeon Master’s Guide (2014)

in a blinding flash and is destroyed, leaving its possessions behind. Benefits granted by the Book of Exalted Deeds last only as long as you strive to do good. If you fail to perform at least one act

is read, it vanishes to some other corner of the multiverse where its moral guidance can bring light to a darkened world. Although attempts have been made to copy the work, efforts to do so fail to

Rakdos Riteknife

Magic Items Guildmasters’ Guide to Ravnica

dagger has the following additional properties. Siphon Vitality. As a bonus action, you can release any number of stored souls from the dagger to regain 1d10 hit points per soul released

target now has fewer than 75 hit points, it must succeed on a DC 15 Constitution saving throw or die. If the target dies, you can’t use this property again until you finish a long rest.

Spellshard

Magic Items Eberron: Rising from the Last War

This polished Eberron dragonshard fits in the hand and stores information similar to a book. The shard can hold the equivalent of one book that’s no more than 320 pages long. A shard can be

created blank or already filled with information. When the shard is created, the creator can set a passphrase that must be spoken to access the information stored within. While holding the shard, you

Enucleator Modifications

Equipment

, the creature in the tank takes 55 (10d10) necrotic damage; they remain unmodified unless the process is started over. In Lord Syuul’s absence, the enucleator has enough energy stored to make

manifest a power. Once they become invisible in this way, they can’t do so again until they finish a long rest. Redundant Organs. The creature gains an extra heart, liver, spleen, or other

Adult Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

rather enjoy the company of people—as long as they remain unaware of my true nature. Deep Dragon Ideals d6;{"diceNotation":"1d6","rollType":"roll","rollAction":"Ideal"} Ideal

with a drow matriarch for centuries. Each move represents what that player plans to do next in the competitors’ long struggle for domination in the Underdark. 2 A fire giant who

Wish Legacy

Spells Basic Rules (2014)

spell might simply fail, the effect you desire might only be partly achieved, or you might suffer some unforeseen consequence as a result of how you worded the wish. For example, wishing that a villain

, each time you cast a spell until you finish a long rest, you take 1d10 necrotic damage per level of that spell. This damage can't be reduced or prevented in any way. In addition, your Strength drops

Book of Vile Darkness Legacy

Magic Items Dungeon Master’s Guide (2014)

powder if the book rests on it long enough. A creature attuned to the book must spend 80 hours reading and studying it to digest its contents and reap its benefits. The creature can then freely modify

must make a DC 17 Charisma saving throw. On a failed save, the creature’s alignment changes to neutral evil. The Book of Vile Darkness remains with you only as long as you strive to work evil

Clockwork Oaken Bolter

Monsters Mordenkainen Presents: Monsters of the Multiverse

much damage on a successful one.No ordinary ballista, an oaken bolter is a Construct capable of striking at long distances. The bolts it launches can rend flesh, destroy armor, or drag enemies toward

traps or melee-oriented clockworks—and at shorter ranges, burst with explosive force. Clockworks Gnomes’ tinkering with magic and mechanical devices has produced many failed Constructs

Adult Solar Dragon

Monsters Spelljammer: Adventures in Space

choose to succeed instead. Nebulous Thoughts. Magical attempts to read the dragon’s mind or glean its thoughts fail automatically. Siege Monster. The dragon deals double damage to objects and

time outside its lair between patrolling its territory and hunting for food. The dragon has a serpentine body, a pair of ventral limbs ending in long fins, nebulous wings that give off light, and

Clockwork Bronze Scout

Monsters Mordenkainen Presents: Monsters of the Multiverse

":"damage", "rollAction":"Bite", "rollDamageType":"lightning"} lightning damage. Lightning Flare (Recharges after a Short or Long Rest). Each creature in contact with the ground within 15 feet of the

. If detected, it sends electrical shocks through the ground toward pursuers while it retreats. Clockworks Gnomes’ tinkering with magic and mechanical devices has produced many failed

Deck of Several Things

Magic Items Lost Laboratory of Kwalish

Stored in a leather pouch, this unique deck contains twenty-two colored cards made of some strong but unknown metal, each of which features a design printed as a mosaic of raised dots. Before you

have no effect. Otherwise, as soon as you draw a card from the deck, its magic takes effect. You must draw each card no more than 1 hour after the previous draw. If you fail to draw the chosen number

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