mechanical same with only ally from for lasts

Tasha's Bubbling Cauldron

Spells Player’s Handbook

You conjure a claw-footed cauldron filled with bubbling liquid. The cauldron appears in an unoccupied space on the ground within 5 feet of you and lasts for the duration. The cauldron can’t be

Potion of Healing). As a Bonus Action, you or an ally can reach into the cauldron and withdraw one potion of that kind. The potion is contained in a vial that disappears when the potion is consumed. The

Shield of the Cavalier

Magic Items Dungeon Master’s Guide

directly away from yourself. If the creature is your size or smaller, you can also knock it down, giving it the Prone condition. Protective Field. As a Reaction, when you or an ally you can see

and objects inside the Emanation, which lasts as long as you maintain Concentration, up to 1 minute. Nothing can pass into or out of the Emanation. A creature or object inside the Emanation can&rsquo

Deck of Many Things

Magic Items Dungeon Master’s Guide

. This enmity lasts until either you or the devil dies. A Question of Enmity Two of the cards in the Deck of Many Things can earn a character the enmity of another being. With the Flames card, the

an ally. As Dungeon Master, you should wait for a dramatically appropriate moment to reveal this enmity, leaving the adventurer guessing who is likely to become a betrayer. Fool. You have

Summon Fey

Spells Player’s Handbook

spell ends. The creature is an ally to you and your allies. In combat, the creature shares your Initiative count, but it takes its turn immediately after yours. It obeys your verbal commands (no

10 feet of itself. Failure: The target is Charmed by you and the spirit for 1 minute or until the target takes any damage. Tricksy. The spirit fills a 10-foot Cube within 5 feet of it with magical Darkness, which lasts until the end of its next turn.

Domestic Wonder

Magic Items Forgotten Realms: Heroes of Faerûn

Mechanical Wonder;Mechanical Wonders have revolutionized life in Calimport. Imagine a wound-up machine that does your laundry, washes your dishes, and cleans your house—then fulfill this dream

Domestic Wonder stat block. The wonder is an ally to you and your allies. In combat, the wonder shares your Initiative count, but it takes its turn immediately after yours. It obeys your verbal commands

Domestic Wonder

Monsters 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

it is wound again.This bipedal wonder is designed to assist with household duties. It vaguely resembles whatever species its creator used as inspiration. The wonder is an ally to you and your allies

Mechanical Wonder

Magic Items Forgotten Realms: Adventures in Faerûn

A Mechanical Wonder is a semi-autonomous object imbued with magical power. Mechanical Wonders vary greatly in size and form depending on their function. A Mechanical Wonder is a dormant object until

activated. To activate a Mechanical Wonder, you must wind the wonder with a handheld key unique to that wonder. It takes 1 minute to wind a Mechanical Wonder. While you wind it, you must take the

Mechanical Wonder

Magic Items Forgotten Realms: Heroes of Faerûn

A Mechanical Wonder is a semi-autonomous object imbued with magical power. Mechanical Wonders vary greatly in size and form depending on their function. A Mechanical Wonder is a dormant object until

activated. To activate a Mechanical Wonder, you must wind the wonder with a handheld key unique to that wonder. It takes 1 minute to wind a Mechanical Wonder. While you wind it, you must take the

Alustriel's Mooncloak

Spells Forgotten Realms: Heroes of Faerûn

damage. While the spell lasts, you can use one of the following options, ending the spell immediately: Liberation. When you fail a saving throw to avoid or end the Frightened, Grappled, or Restrained

condition, you can take a Reaction to succeed on the save instead. Respite. As a Magic action, you or an ally within the area regains Hit Points equal to 4d10 plus your spellcasting ability modifier.

Blade Scout

Monsters Vecna: Eve of Ruin

Pack Tactics. The scout has advantage on an attack roll against a creature if at least one of the scout’s allies is within 5 feet of the creature and the ally doesn’t have the

);{"diceNotation":"1d8+5", "rollType":"damage", "rollAction":"Bolt Launcher", "rollDamageType":"piercing"} piercing damage. Snare Trap (1/Day). The scout deploys a Tiny mechanical trap on a solid surface within

Smoke Mephit (Summoner Variant) Legacy

Monsters Monster Manual (2014)

lasts for 1 minute. Innate Spellcasting (1/Day). The mephit can innately cast dancing lights, requiring no material components. Its innate spellcasting ability is Charisma.Claws. Melee Weapon Attack

unoccupied space within 60 feet of its summoner, acts as an ally of its summoner, and can’t summon other mephits. It remains for 1 minute, until it or its summoner dies, or until its summoner dismisses it as an action.Fire, Poison

Erinyes (Summoner Variant) Legacy

Monsters Monster Manual (2014)

poisoned. The poison lasts until it is removed by the lesser restoration spell or similar magic. Summon Devil (1/Day). The devil chooses what to summon and attempts a magical summoning. An erinyes

":"1d6","rollType":"roll"} bearded devil;bearded devils, or one erinyes. A summoned devil appears in an unoccupied space within 60 feet of its summoner, acts as an ally of its summoner, and can’t

Banner of the Krig Rune

Magic Items Storm King's Thunder

cause it to emanate courage. You and your allies are immune to the frightened condition while within 20 feet of it. This benefit lasts for 10 minutes or until the banner is furled. Once you use this

line of sight. Standard’s Shield. As a bonus action, you can touch the unfurled banner and invoke this power. Any ranged attack roll that targets you or an ally of yours has disadvantage if the

Chasme (summoner variant) Legacy

Monsters Monster Manual (2014)

. This reduction to a creature’s hit point maximum lasts until the creature finishes a long rest or until it is affected by a spell like greater restoration. Summon Demon (1/Day). The demon

appears in an unoccupied space within 60 feet of its summoner, acts as an ally of its summoner, and can’t summon other demons. It remains for 1 minute, until it or its summoner dies, or until its summoner dismisses it as an action.PoisonCold, Fire, Lightning

Glaive

Monsters Vecna: Eve of Ruin

Heatsink. When Glaive takes cold damage, her Overdrive immediately recharges. Pack Tactics. Glaive has advantage on attack rolls if at least one ally is within 5 feet of the creature she’s

attacking and the ally doesn’t have the incapacitated condition.Multiattack. Glaive makes two Spiked Glaive attacks and two Serrated Bolt attacks. Spiked Glaive. Melee Weapon Attack: +9

Drow Inquisitor

Monsters Mordenkainen Presents: Monsters of the Multiverse

", "rollDamageType":"necrotic"} necrotic damage. The target’s hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the target finishes a long rest

", "rollAction":"Summon Demon", "rollDamageType":"psychic"} psychic damage. Otherwise, the summoned demon appears in an unoccupied space within 60 feet of its summoner, acts as an ally of its summoner, and can

Ice Devil (Summoner Variant) Legacy

Monsters Monster Manual (2014)

);{"diceNotation":"10d6","rollType":"damage","rollDamageType":"cold"} cold damage on a failed save, or half as much damage on a successful one. The wall lasts for 1 minute or until the devil is incapacitated

":"1d100","rollType":"roll","rollAction":"Summon Devil"} chance of summoning one ice devil. A summoned devil appears in an unoccupied space within 60 feet of its summoner, acts as an ally of its

Drow Inquisitor (Summoner Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

", "rollDamageType":"necrotic"} necrotic damage. The target’s hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the target finishes a long rest

summoner, acts as an ally of its summoner, and can’t summon other demons. It remains for 10 minutes, until it or its summoner dies, or until its summoner dismisses it as an action.Lolth’s

Kobold Vampire Spawn

Monsters Icewind Dale: Rime of the Frostmaiden

Pack Tactics. The vampire has advantage on an attack roll against a creature if at least one of the vampire’s allies is within 5 feet of the creature and the ally isn’t incapacitated

, and the vampire regains hit points equal to that amount. The reduction lasts until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0.The gnoll vampire Tekeli-li

Drow Inquisitor (Summoner Variant) Legacy

Monsters Mordenkainen’s Tome of Foes

necrotic damage it takes. This reduction lasts until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0. Summon Demon (1/Day). The drow attempts to magically summon a

":"damage","rollAction":"Summon Demon","rollDamageType":"psychic"} psychic damage. Otherwise, the summoned demon appears in an unoccupied space within 60 feet of its summoner, acts as an ally of its

Barrowghast

Monsters Bigby Presents: Glory of the Giants

"} necrotic damage, and the target must succeed on a DC 16 Constitution saving throw or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target

ally of the barrowghast but isn’t under its control.Noxious Wound. Immediately after the barrowghast takes piercing or slashing damage, poisonous ichor sprays from the wound. Each creature within

Homunculus Servant

spells Eberron: Forge of the Artificer

by the new one. You determine the homunculus’s appearance, such as a mechanical-looking bird, winged vial, or miniature animate cauldron. Combat. The homunculus is an ally to you and your

Spectral Cloud

Monsters Bigby Presents: Glory of the Giants

, it must succeed on a DC 20 Constitution saving throw, or its hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the target finishes a long rest

miniature spectral cloud acts as an ally of its creator but isn’t under its control. Chilling Winds (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Chilling Winds"}. The

Molydeus (Summoner Variant) Legacy

Monsters Mordenkainen’s Tome of Foes

or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target transforms into a manes if this reduces its hit

"} chasme;chasmes, or one marilith. A summoned demon appears in an unoccupied space within 60 feet of the molydeus, acts as an ally of the molydeus, and can't summon other demons. It remains for 1

Molydeus

Monsters Mordenkainen Presents: Monsters of the Multiverse

maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target transforms into a manes (see the Monster Manual) if this reduces its hit

(the chasme and marilith appear in the Monster Manual) A summoned demon appears in an unoccupied space within 60 feet of the molydeus, acts as an ally of the molydeus, and can’t summon other

Molydeus (Summoner Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target transforms into a manes (see the Monster Manual) if this reduces its hit

, or one marilith (the chasme and marilith appear in the Monster Manual) A summoned demon appears in an unoccupied space within 60 feet of the molydeus, acts as an ally of the molydeus, and can&rsquo

Summon Fey Legacy

Spells Tasha’s Cauldron of Everything

points or when the spell ends. The creature is an ally to you and your companions. In combat, the creature shares your initiative count, but it takes its turn immediately after yours. It obeys

make a Wisdom saving throw against your spell save DC. Unless the save succeeds, the target is charmed by you and the fey for 1 minute or until the target takes any damage. Tricksy. The fey can fill a 5-foot cube within 5 feet of it with magical darkness, which lasts until the end of its next turn.

Mechanical Guides

Compendium - Sources->Dungeons & Dragons->Infernal Machine Rebuild

Mechanical Guides The mechanical guides are programmed to serve their agent masters—and to self-destruct in the event that anyone else attempts to take control of them. Still, exposure to the power

of the components of the Infernal Machine might change a guide’s programming, allowing the characters to befriend and permanently claim it as a companion or ally. If this happens, a guide’s time traveling ability can be curtailed as you desire.

Agents

Compendium - Sources->Dungeons & Dragons->Infernal Machine Rebuild

Agents The characters can ally themselves with either agent, whether choosing to deal with the first agent they meet, or meeting both before making a choice. They might even meet with both in order

to play one against the other. They might distrust both agents and ally with neither, instead undertaking the adventure on their own to capture the missing components and prevent them falling into the

Yakfolk Priest

Monsters Storm King's Thunder

, feats, and proficiencies. The possession lasts until either the body drops to 0 hit points, the yakfolk ends the possession as an action, or the yakfolk is forced out of the body by an effect such as the

and acts as an ally of the summoner. It remains for 10 minutes, until it dies, or until its summoner dismisses it as an action.Yakfolk, known among themselves as Yikaria (“the Lucky Chosen

Mahadi the Rakshasa

Monsters Baldur’s Gate: Descent into Avernus

rest. The curse lasts until it is lifted by a remove curse spell or similar magic. Summon Erinyes (1/Day). Mahadi summons Ilzabet, an erinyes bound to him by an infernal contract. The erinyes appears

in an unoccupied space within 60 feet of him, acts as his ally, and can’t summon other devils. The erinyes remains for 10 minutes or until Mahadi dismisses it as an action. If the erinyes dies

Shator Demodand

Monsters Planescape: Adventures in the Multiverse

liquefied demodand becomes enough liquid to fill a flask. A demodand’s liquefaction lasts until a shator uses an action to end it or a creature opens a container holding the liquid. While

kelubar demodand;kelubar demodands, or 1 shator demodand. A summoned demodand appears in an unoccupied space within 60 feet of the shator, acts as an ally of the shator, and can’t summon other

Blade Scout

Compendium - Sources->Dungeons & Dragons->Vecna: Eve of Ruin

XP) Proficiency Bonus +3 Pack Tactics. The scout has advantage on an attack roll against a creature if at least one of the scout’s allies is within 5 feet of the creature and the ally doesn’t have

(1/Day). The scout deploys a Tiny mechanical trap on a solid surface within 5 feet of itself. The trap is hidden, requiring a successful DC 17 Intelligence (Investigation) check to find. The trap

Adventure Summary

Compendium - Sources->Dungeons & Dragons->Quests from the Infinite Staircase

of the spacecraft’s core systems, including its arsenal of robots. Depending on how the characters respond, the computer can be a useful temporary ally or a dangerous enemy. Eventually, the party

, the computer relies on the characters to clear the way. Once the characters deal with the behemoth, they must contend with Aphelion to safeguard the scientist from the supercomputer’s mechanical clutches.

Xardorok's Fortress

Compendium - Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden

obscured by this smoky haze. Exposure to it is unhealthy; characters who take a long rest in a hazy location regain one fewer Hit Die than normal. A strong wind that lasts 1 minute or longer clears an

. The three levels of the fortress are connected by two mechanical elevators that are continually moving up and down their shafts, except for a 1-minute stop each time it arrives at a floor. One

D&D Beyond

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