before buildings diffusing cause remaining

Bigby's Hand

Spells Player’s Handbook

the spell and as a Bonus Action on your later turns, you can move the hand up to 60 feet and then cause one of the following effects: Clenched Fist. The hand strikes a target within 5 feet of it

saving throw, or the hand pushes the target up to 5 feet plus a number of feet equal to five times your spellcasting ability modifier. The hand moves with the target, remaining within 5 feet of it

Helm of Brilliance

Magic Items Dungeon Master’s Guide

to cause one weapon you are holding to burst into flames. The flames emit Bright Light in a 10-foot radius and Dim Light for an additional 10 feet. The flames are harmless to you and the weapon. When

. Taking Fire Damage. Roll 1d20 if you are wearing the helm and take Fire damage as a result of failing a saving throw against a spell. On a roll of 1, the helm emits beams of light from its remaining gems

Deck of Many Things

Magic Items Dungeon Master’s Guide

you fail to draw the chosen number, the remaining number of cards fly from the deck on their own and take effect all at once. Once a card is drawn, it disappears. Unless the card is the Fool or

magic items, are lost to you. Portable property vanishes. Businesses, buildings, and land you own are lost in a way that alters reality the least. If you have a Bastion (see the Dungeon Master’s

Pech

Monsters Quests from the Infinite Staircase

incapacitated condition and must have at least one use of Communal Spellcasting remaining, which it must immediately expend to participate (no action required). Stone Shape (3/Day). The pech casts Stone

buildings, objects, and raw materials, making them phenomenal excavators—and, if the occasion calls for it, sappers and saboteurs. Pechs enjoy sculpting and carving vast networks of tunnels and warrens

Staff of Swarming Insects Legacy

Magic Items Basic Rules (2014)

charges). Insect Cloud. While holding the staff, you can use an action and expend 1 charge to cause a swarm of harmless flying insects to spread out in a 30-foot radius from you. The insects remain

for 10 minutes, making the area heavily obscured for creatures other than you. The swarm moves with you, remaining centered on you. A wind of at least 10 miles per hour disperses the swarm and ends the effect.

Young Kruthik

Monsters Mordenkainen Presents: Monsters of the Multiverse

kruthiks in one area might cause the remaining hive members to move elsewhere. Although they can feed on carrion, kruthiks prefer live prey. They kill enemies by impaling them on their spiked limbs, then

Lich Legacy

Monsters Basic Rules (2014)

ties), the lich can take a lair action to cause one of the following magical effects; the lich can’t use the same effect two rounds in a row: The lich rolls a d8;{"diceNotation":"1d8","rollType

, the lich takes half the damage (rounded down), and the target takes the remaining damage. This tether lasts until initiative count 20 on the next round or until the lich or the target is no longer in

Kruthik Hive Lord

Monsters Mordenkainen Presents: Monsters of the Multiverse

warning and avoid areas where many other kruthiks have died. Slaying a sufficient number of kruthiks in one area might cause the remaining hive members to move elsewhere. Although they can feed on

Helm of Brilliance Legacy

Magic Items Basic Rules (2014)

at least one ruby, you have resistance to fire damage. As long as the helm has at least one fire opal, you can use an action and speak a command word to cause one weapon you are holding to burst into

and take fire damage as a result of failing a saving throw against a spell. On a roll of 1, the helm emits beams of light from its remaining gems. Each creature within 60 feet of the helm other than

Adult Kruthik

Monsters Mordenkainen Presents: Monsters of the Multiverse

kruthiks have died. Slaying a sufficient number of kruthiks in one area might cause the remaining hive members to move elsewhere. Although they can feed on carrion, kruthiks prefer live prey. They kill

Steel Predator

Monsters Mordenkainen Presents: Monsters of the Multiverse

bounds away in search of its prey. It senses the location of its target across planar boundaries, but such detection is accurate only to within a thousand yards; to close the remaining distance, the steel

can be used in another steel predator. Battle damage can cause this instinct to fail, however, in which case the steel predator lingers in the area, hunting and killing other creatures that resemble

Fractine

Monsters Monstrous Compendium Vol. 1: Spelljammer Creatures

half as much damage. Split. When a Large fractine that has at least 10 hit points remaining takes bludgeoning, piercing, slashing, or thunder damage from any source, it splits into two Medium fractines

surfaces substituting for the mirror needed to cast certain divination spells. While being used in this way, the fractine siphons magical energy from the spellcaster—not enough to cause harm

War Oil

Equipment

point, such as the ground or a wall, and on an attack roll against AC 10, cause the War Oil to spill out of the ammunition, creating a circular patch of the viscous substance with a 10-foot radius. War

additional 2d4 Fire damage to any creature that ends its turn while in contact with it. An ignited creature can douse the flames by using an action. After burning for two rounds, being doused, or remaining unlit for 1 minute, War Oil dries up and ceases to be slippery or flammable.

Robot Controller

Equipment

the device gives the device 3 charges. As an action while holding this device, you can expend 1 of its charges to cause one of the following effects: Control. One Construct of your choice within 60

turns, ending the effect on itself on a success. Replacing the Energy Cell. While the device has charges remaining, its energy cell can’t be removed. Once the device has 0 charges, you can replace the energy cell with a new cell by using an action or a bonus action.

Deck of Many Things Legacy

Magic Items Basic Rules (2014)

, the remaining number of cards fly from the deck on their own and take effect all at once. Once a card is drawn, it fades from existence. Unless the card is the Fool or the Jester, the card reappears

, discard this card, and draw from the deck again, counting both draws as one of your declared draws. If losing that much XP would cause you to lose a level, you instead lose an amount that leaves you

Arcturia

Monsters Waterdeep: Dungeon of the Mad Mage

initiative ties), the lich can take a lair action to cause one of the following magical effects; the lich can’t use the same effect two rounds in a row: The lich rolls a d8 and regains a spell

takes the remaining damage. This tether lasts until initiative count 20 on the next round or until the lich or the target is no longer in the lich’s lair. The lich calls forth the spirits of

Exethanter

Monsters Curse of Strahd

its lair has a challenge rating of 22 (41,000 XP). Lair Actions On initiative count 20 (losing initiative ties), Exethanter can take a lair action to cause one of the following magical effects

remaining damage. This tether lasts until initiative count 20 on the next round or until Exethanter or the target is no longer in the Exethanter’s lair. Exethanter calls forth the spirits of

Valindra Shadowmantle Legacy

Monsters Tomb of Annihilation

the lich’s work. A lich encountered in its lair has a challenge rating of 22 (41,000 XP). Lair Actions On initiative count 20 (losing initiative ties), the lich can take a lair action to cause

damage, the target must make a DC 18 Constitution saving throw. On a failed save, the lich takes half the damage (rounded down), and the target takes the remaining damage. This tether lasts until

Mighty Fortress

Spells Xanathar's Guide to Everything

A fortress of stone erupts from a square area of ground of your choice that you can see within range. The area is 120 feet on each side, and it must not have any buildings or other structures on it

thickness. It is immune to poison and psychic damage. Reducing a section of stone to 0 hit points destroys it and might cause connected sections to buckle and collapse at the DM’s discretion. After

Ogrémoch

Monsters Princes of the Apocalypse

count 20 (losing initiative ties), Ogrémoch uses his lair action to cause one of the following effects: A 10-foot-radius area of rocky or earthy ground within 60 feet of Ogrémoch turns

tremors are strong enough to destroy flimsy structures. After 10 days, they are strong enough to destroy ordinary wooden buildings. After 20 days, they can seriously damage or destroy reinforced or

Baphomet Legacy

Monsters Out of the Abyss

, populated by minotaur;minotaurs, goristro;goristros, and quasit;quasits. Lair Actions On initiative count 20 (losing initiative ties), Baphomet can take a lair action to cause one of the following

reversed within that room. Any creatures or objects in the room when this happens fall in the direction of the new pull of gravity, unless they have some means of remaining aloft. Baphomet can ignore the

Olhydra

Monsters Princes of the Apocalypse

uses her lair action to cause one of the following effects: Pools of water in the lair surge outward in a grasping tide. Any creature within 20 feet of such a pool must succeed on a DC 20 Strength

attempts to leave the area, remaining frightened while within it. On a failure, the creature becomes highly aggressive and remains in the area for 24 hours. While in this state, the creature gains advantage

Castle Cinis

Compendium - Sources->Dungeons & Dragons->Keys from the Golden Vault

Castle Cinis Starting at the edge of the city, it takes the characters 1 hour on foot to reach Castle Cinis. The city around them is grim and desolate. Its buildings are slowly turning to cinders

, and the remaining eight guards patrol the grounds in two groups of four. Characters who spend a few minutes studying the guards’ movements gain advantage on Dexterity (Stealth) checks made to approach

Orc Legacy

Species Volo's Guide to Monsters

battle or illness, but an orc can live to about 40, remaining healthy almost up until the end. Luthic’s divine blessing can further extend an orc’s life, though Gruumsh is never happy when

authority and cause the tribe to collapse into chaos, with the survivors scattering either to join new tribes or to strike out on their own. At the other extreme, warriors that return home with a heavily

Sunder Shaman

Compendium - Sources->Dungeons & Dragons->Guildmasters' Guide to Ravnica

walk through buildings, trample people underfoot, and generally cause as much chaos as possible. They often armor themselves with pieces of buildings and wield columns or other architectural elements

Developments

Compendium - Sources->Dungeons & Dragons->Rise of Tiamat

damage from a single attack that deals more than half its remaining hit points, it withdraws from combat on its next turn. If it hasn’t already tried to summon another yugoloth, it does so immediately. If

yugoloth if more than five of them are in the fight. In addition to damaging bystanders, this encounter can easily destroy buildings and great landmarks. This formidable assault should provide a sense of

Creeping Transformations

Compendium - Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk

experienced other aberrant changes. The town’s buildings seem oddly askew, as though their once-solid construction were deteriorating. This effect is due to a warping in space, so the buildings aren’t

Rivibiddel keeps misreading the text as such. Stonehill Inn. The Stonehills closed their inn, worried that guests might cause an incident in their establishment. Townspeople. Other townspeople can be

Developments

Compendium - Sources->Dungeons & Dragons->Tyranny of Dragons

damage from a single attack that deals more than half its remaining hit points, it withdraws from combat on its next turn. If it hasn’t already tried to summon another yugoloth, it does so immediately. If

yugoloth if more than five of them are in the fight. In addition to damaging bystanders, this encounter can easily destroy buildings and great landmarks. This formidable assault should provide a sense of the destruction that will wash over the Sword Coast if the Cult of the Dragon is successful in its plans.

Staff of Swarming Insects

Compendium - Sources->Dungeons & Dragons->Basic Rules (2014)

charge to cause a swarm of harmless flying insects to spread out in a 30-foot radius from you. The insects remain for 10 minutes, making the area heavily obscured for creatures other than you. The swarm

moves with you, remaining centered on you. A wind of at least 10 miles per hour disperses the swarm and ends the effect.

Staff of Swarming Insects

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)

charge to cause a swarm of harmless flying insects to spread out in a 30-foot radius from you. The insects remain for 10 minutes, making the area heavily obscured for creatures other than you. The swarm

moves with you, remaining centered on you. A wind of at least 10 miles per hour disperses the swarm and ends the effect.

Village

Compendium - Sources->Dungeons & Dragons->Candlekeep Mysteries

Village The grippli village is set near the sea in a brackish marsh. Rising from the muck are circular, domed mud-brick buildings that the grippli use for homes and storage facilities. The carapaces

this area is damp and soft at best. Staying dry is difficult to impossible. The dozen or so grippli warriors (see the end of the adventure for their stat block) remaining in the village are there

School of Abjuration

Compendium - Sources->Dungeons & Dragons->Player's Handbook (2014)

instead. If this damage reduces the ward to 0 hit points, you take any remaining damage. While the ward has 0 hit points, it can’t absorb damage, but its magic remains. Whenever you cast an abjuration

Ward Starting at 6th level, when a creature that you can see within 30 feet of you takes damage, you can use your reaction to cause your Arcane Ward to absorb that damage. If this damage reduces the

Ruling Avernus

Compendium - Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus

this power vacuum as an opportunity to strike a mortal blow to Asmodeus’s reign. This might be the only time in cosmic history that such a blindly idealistic cause could succeed. But even if the party

can wrest Avernus from Asmodeus’s control, this ultimately serves to unite the remaining archdevils, aligning them toward the common goal of reclaiming Avernus — which works to Asmodeus’s advantage.

Danger in the Streets

Compendium - Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Light of Xaryxis

characters move through streets and alleys toward the outskirts of the settlement, but not if they head straight to the docks: Avalanche of Debris. Tremors cause buildings close to the characters to

Selesnya Creatures

Compendium - Sources->Dungeons & Dragons->Guildmasters' Guide to Ravnica

Selesnya Creatures The Selesnya Conclave uses its close connection to nature to enlist a variety of creatures to its cause. These supporters of the conclave take their rightful place in the natural

buildings, temples, and paths are protected by treants or carnivorous plants, including blights and shambling mounds. Some have vine-like arms that ensnare prey and drop it into pitcher-like bodies

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