mechanical some with only all first for lasts

Gnoll Demoniac

Monsters Monster Manual

":"1d6", "rollType":"recharge", "rollAction":"Hunger of Yeenoghu"}. The gnoll conjures a 30-foot Cube of magical Darkness originating from a point it can see within 60 feet, which lasts for 1 minute

or until the gnoll’s Concentration ends on it. This area is Difficult Terrain. Dexterity Saving Throw: DC 14, any creature that starts its turn in this area or enters it for the first time on a

Gem of Brightness

Magic Items Dungeon Master’s Guide

This prism has 50 charges. While you are holding it, you can take a Magic action and use one of three command words to cause one of the following effects: First Command Word. The gem sheds Bright

Light in a 30-foot radius and Dim Light for an additional 30 feet. This effect doesn’t expend a charge. It lasts until you take a Bonus Action to repeat the command word or until you use another

Control Water

Spells Player’s Handbook

, the wave repeats on the start of your next turn while the flood effect lasts. Part Water. You part water in the area and create a trench. The trench extends across the spell’s area, and the

lasts until you choose a different effect or the spell ends. The whirlpool is 5 feet wide at the base, up to 50 feet wide at the top, and 25 feet tall. Any creature in the water and within 25 feet of

Forbiddance

Spells Player’s Handbook

following: Aberrations, Celestials, Elementals, Fey, Fiends, and Undead. When a creature of a chosen type enters the spell’s area for the first time on a turn or ends its turn there, the creature

damage from the spell. The spell’s area can’t overlap with the area of another Forbiddance spell. If you cast Forbiddance every day for 30 days in the same location, the spell lasts until it is dispelled, and the Material components are consumed on the last casting.

Wall of Fire

Spells Player’s Handbook

foot thick. The wall is opaque and lasts for the duration. When the wall appears, each creature in its area makes a Dexterity saving throw, taking 5d8 Fire damage on a failed save or half as much

creature takes the same damage when it enters the wall for the first time on a turn or ends its turn there. The other side of the wall deals no damage. Using a Higher-Level Spell Slot. The damage increases by 1d8 for each spell slot level above 4.

Wall of Thorns

Spells Player’s Handbook

You create a wall of tangled brush bristling with needle-sharp thorns. The wall appears within range on a solid surface and lasts for the duration. You choose to make the wall up to 60 feet long, 10

creature moves through the wall, it must spend 4 feet of movement. Furthermore, the first time a creature enters a space in the wall on a turn or ends its turn there, the creature makes a Dexterity

Animal Shapes

Spells Player’s Handbook

target gains a number of Temporary Hit Points equal to the Hit Points of the first form into which it shape-shifts. These Temporary Hit Points vanish if any remain when the spell ends. The transformation lasts for the duration or until the target ends it as a Bonus Action.

Wall of Ice

Spells Player’s Handbook

-square panels. Each panel must be contiguous with another panel. In any form, the wall is 1 foot thick and lasts for the duration. If the wall cuts through a creature’s space when it appears

. Reducing a 10-foot section of wall to 0 Hit Points destroys it and leaves behind a sheet of frigid air in the space the wall occupied. A creature moving through the sheet of frigid air for the first time

Elemental Cataclysm

Monsters Monster Manual

fills a 60-foot-radius Sphere centered on a point the cataclysm can see within 150 feet. The cloud lasts for 1 minute or until the cataclysm uses Cataclysmic Event again. Creatures entirely in the

cloud have the Blinded and Deafened conditions and can’t cast spells with a Verbal component. Dexterity Saving Throw: DC 23, each creature that enters the cloud for the first time on a turn or

Valindra Shadowmantle

Monsters Forgotten Realms: Adventures in Faerûn

originating from Valindra. First Failure: 39 (6d12);{"diceNotation":"6d12", "rollType":"damage", "rollAction":"Deathly Grasp", "rollDamageType":"Force"} Force damage and the target has the Restrained

ability as Spellcasting. The spell lasts until Valindra drops to 30 Hit Points or fewer or uses her Life-Rending Gaze Legendary Action. Intelligence (Investigation) checks made to discern her true appearance are made with Disadvantage.

Animated Armor Detention Drone

Monsters The Book of Many Things

the effect or the drone is destroyed. A drone can have only one detention orb active at a time; if the drone creates a detention orb when it already has one active, the first orb disappears, freeing

the creature inside.Detention drones vary in size, strength, and shape, though most are shaped like some kind of mechanical animal or plant.Poison, Psychic

Quadrone Detention Drone

Monsters The Book of Many Things

the drone is destroyed. A drone can have only one detention orb active at a time; if the drone creates a detention orb when it already has one active, the first orb disappears, freeing the creature

inside.Detention drones vary in size, strength, and shape, though most are shaped like some kind of mechanical animal or plant.

Helmed Horror Detention Drone

Monsters The Book of Many Things

already has one active, the first orb disappears, freeing the creature inside.Detention drones vary in size, strength, and shape, though most are shaped like some kind of mechanical animal or plant.Force, Necrotic, PoisonBludgeoning, Piercing, and Slashing from Nonmagical Attacks that aren't Adamantine

Thessaltoxin (Ingested or Injury)

Equipment

This poison was first created using blood harvested from the artificer Thessalar. A creature subjected to the poison must succeed on a DC 15 Constitution saving throw or take on a new form as if

affected by the polymorph spell. The creature’s new form is a random beast or a creature it has seen within the last 24 hours (as chosen by the DM). This transformation lasts until the end of the

Cohort of Chaos

Feats Planescape: Adventures in the Multiverse

an attack roll or a saving throw, the magic of chaos flows through you. Roll a d4 and consult the Chaotic Flares table to determine what happens. A flare lasts until the end of your next turn, and a

new flare can’t occur until after the first flare ends. Chaotic Flares d4 Flare 1 Battle Fury. A creature of your choice that you can see is filled with reckless fury. It

Blade Scout

Monsters Vecna: Eve of Ruin

);{"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

5 feet of itself. The trap is hidden, requiring a successful DC 17 Intelligence (Investigation) check to find. The trap lasts for 1 minute. Whenever an enemy enters a space within 10 feet of the trap

Advanced Detention Drone

Monsters The Book of Many Things

creates a detention orb when it already has one active, the first orb disappears, freeing the creature inside.Detention drones vary in size, strength, and shape, though most are shaped like some kind of

mechanical animal or plant. This Construct doesn’t have a control amulet and can’t be controlled like other shield guardian;shield guardians.Poison

Tixie Tockworth

Monsters Keys from the Golden Vault

to function if Tockworth drops to 0 hit points. Any damage Tockworth takes is subtracted from the force field’s hit points first. Each time the force field regains hit points, the following

(spell save DC 14): At will: nondetection (self only) 2/day: dimension door 1/day each: blindness/deafness, blurUsing magic and mechanical know-how, Tixie Tockworth has transformed most of herself into

Gem of Brightness Legacy

Magic Items Basic Rules (2014)

This prism has 50 charges. While you are holding it, you can use an action to speak one of three command words to cause one of the following effects: The first command word causes the gem to shed

bright light in a 30-foot radius and dim light for an additional 30 feet. This effect doesn't expend a charge. It lasts until you use a bonus action to repeat the command word or until you use another

Living Cloudkill

Monsters Eberron: Rising from the Last War

fog for the first time on a turn or starts its turn there, it must make a DC 16 Constitution saving throw, taking 22 (5d8);{"diceNotation":"5d8","rollType":"damage","rollAction":"Spell Mimicry

ground and through openings. The fog lasts for 10 minutes or until the living spell’s concentration ends (as if concentrating on a spell).PoisonBludgeoning, Piercing, and Slashing from Nonmagical Attacks

Dryad Legacy

Monsters Basic Rules (2014)

one living tree within her reach and emerge from a second living tree within 60 feet of the first tree, appearing in an unoccupied space within 5 feet of the second tree. Both trees must be Large or

target, it can repeat the saving throw, ending the effect on itself on a success. Otherwise, the effect lasts 24 hours or until the dryad dies, is on a different plane of existence from the target, or

Blade Barrier Legacy

Spells Basic Rules (2014)

You create a vertical wall of whirling, razor-sharp blades made of magical energy. The wall appears within range and lasts for the duration. You can make a straight wall up to 100 feet long, 20 feet

. When a creature enters the wall's area for the first time on a turn or starts its turn there, the creature must make a Dexterity saving throw. On a failed save, the creature takes 6d10 slashing damage. On a successful save, the creature takes half as much damage.

Breath Drinker

Monsters The Book of Many Things

Constitution saving throw 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 dies if this effect reduces its hit

"} necrotic damage, and its Charisma score is reduced by 1d6;{"diceNotation":"1d6","rollType":"roll","rollAction":"Drink Breath"}. This reduction lasts until the target finishes a short or long rest. If this

Incendiary Cloud Legacy

Spells Basic Rules (2014)

A swirling cloud of smoke shot through with white-hot embers appears in a 20-foot-radius sphere centered on a point within range. The cloud spreads around corners and is heavily obscured. It lasts

10d8 fire damage on a failed save, or half as much damage on a successful one. A creature must also make this saving throw when it enters the spell's area for the first time on a turn or ends its

Shield Guardian Detention Drone

Monsters The Book of Many Things

detention orb when it already has one active, the first orb disappears, freeing the creature inside.Shield. When a creature makes an attack against the wearer of the drone’s amulet, the drone grants

a +2 bonus to the wearer’s AC if the drone is within 5 feet of the wearer.Detention drones vary in size, strength, and shape, though most are shaped like some kind of mechanical animal or plant.Poison

Demogorgon Legacy

Monsters Out of the Abyss

"} bludgeoning damage. If the target is a creature, it must succeed on a DC 23 Constitution saving throw or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts

the confusion spell without making a saving throw. The effect lasts until the start of Demogorgon’s next turn. Demogorgon doesn’t need to concentrate on the spell.Demogorgon can take 2

Clockwork Horror

Monsters Monstrous Compendium Vol. 1: Spelljammer Creatures

see. Clockwork horrors communicate with each other by means of clicks, whirs, and similar mechanical sounds that imitate the Thri-kreen language perfectly, leading some to speculate the first

Sickening Radiance

Spells Xanathar's Guide to Everything

Dim, greenish light spreads within a 30-foot-radius sphere centered on a point you choose within range. The light spreads around corners, and it lasts until the spell ends. When a creature moves

into the spell's area for the first time on a turn or starts its turn there, that creature must succeed on a Constitution saving throw or take 4d10 radiant damage, suffer one level of exhaustion, and

Ring of Amity

Magic Items Bigby Presents: Glory of the Giants

This ring is carved from hematite and bears an engraving of the friend rune. When you first attune to this ring, you can touch one willing creature and form a magical bond between the two of you

. While this bond lasts, whenever you are subjected to a spell or magical effect that restores hit points, the bonded creature also receives the benefits of the spell or effect. You can bond with a

Forbiddance Legacy

Spells Basic Rules (2014)

, elementals, fey, fiends, and undead. When a chosen creature enters the spell's area for the first time on a turn or starts its turn there, the creature takes 5d10 radiant or necrotic damage (your

overlap with the area of another forbiddance spell. If you cast forbiddance every day for 30 days in the same location, the spell lasts until it is dispelled, and the material components are consumed on the last casting.

Deck of Wonder

Magic Items The Book of Many Things

. Champion. You gain a +1 bonus to weapon attack and damage rolls. This bonus lasts for 8 hours. Chancellor. Within 8 hours of drawing this card, you can cast Augury once as an action, requiring no

, cold, fire, lightning, or thunder. This resistance lasts for 1d12 days. Coin. Five pieces of jewelry, each worth 100 gp, or ten gemstones, each worth 50 gp, appear at your feet. Crown. You learn the

Maegera the Dawn Titan

Monsters Storm King's Thunder

touching Maegera or from hitting it with a melee attack while within 10 feet of it, and a creature takes that damage the first time on a turn that Maegera moves into its space. Nonmagical weapons

). Maegera targets one creature that it can see within 60 feet of it. Any resistance or immunity to fire damage that the target gains from a spell or a magic item is suppressed. This effect lasts until

Cloudkill Legacy

Spells Basic Rules (2014)

You create a 20-foot-radius sphere of poisonous, yellow-green fog centered on a point you choose within range. The fog spreads around corners. It lasts for the duration or until strong wind disperses

the fog, ending the spell. Its area is heavily obscured. When a creature enters the spell's area for the first time on a turn or starts its turn there, that creature must make a Constitution saving

Wall of Thorns Legacy

Spells Basic Rules (2014)

You create a wall of tough, pliable, tangled brush bristling with needle-sharp thorns. The wall appears within range on a solid surface and lasts for the duration. You choose to make the wall up to

slowly and painfully. For every 1 foot a creature moves through the wall, it must spend 4 feet of movement. Furthermore, the first time a creature enters the wall on a turn or ends its turn there, the

Spiderdragon

Monsters Vecna: Eve of Ruin

as much damage on a successful one.The terrors known as spiderdragons were first found in the deepest corners of the Underdark and trace their origins to black dragon wyrmlings who ate a steady diet

", "rollType":"recharge", "rollAction":"Stifling Webs"}. The spiderdragon spins a 30-foot cube of strong, sticky webbing in an area adjacent to itself. The webbing lasts for 1 minute, is difficult

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