bad becomes diffusing contact round

Black Pudding

Monsters Monster Manual

any damage. Any nonmagical weapon takes a cumulative −1 penalty to attack rolls immediately after dealing damage to the pudding and coming into contact with it. The weapon is destroyed if the

. Trigger: While the pudding is Large or Medium and has 10+ Hit Points, it becomes Bloodied or is subjected to Lightning or Slashing damage. Response: The pudding splits into two new Black Puddings. Each new

Ochre Jelly

Monsters Monster Manual

", "rollType":"damage", "rollAction":"Pseudopod", "rollDamageType":"Acid"} Acid damage.Split. Trigger: While the jelly is Large or Medium and has 10+ Hit Points, it becomes Bloodied or is subjected to

Lightning or Slashing damage. Response: The jelly splits into two new Ochre Jellies. Each new jelly is one size smaller than the original jelly and acts on its Initiative. The original jelly’s Hit Points are divided evenly between the new jellies (round down).Lightning, SlashingAcid

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.

Arcanaloth

Monsters Monster Manual

becomes bound to the tome and can escape only if the tome is reduced to 0 Hit Points. Fiendish Burst. Melee or Ranged Attack Roll: +9;{"diceNotation":"1d20+9", "rollType":"to hit", "rollAction":"Fiendish

Hand, Prestidigitation 1/Day Each: Contact Other Plane, Detect Thoughts, Dimension Door, Mind BlankCounterspell. The arcanaloth casts Counterspell in response to that spell’s trigger, using the

Pipes of the Sewers

Magic Items Dungeon Master’s Guide

24 hours. On a failed save, the swarm is swayed by the pipes’ music and becomes Friendly to you and your allies for as long as you continue to play the pipes each round as a Magic action. A

Wish

Spells Player’s Handbook

a reroll of any die roll made within the last round (including your last turn). Reality reshapes itself to accommodate the new result. For example, a Wish spell could undo an ally’s failed

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

Space Mollymawk

Monsters Spelljammer: Adventures in Space

lingers in the area (usually around a ship) until the food becomes scarce. Superstitious Wildspace voyagers consider it bad luck to kill a space mollymawk.

Olhydra

Monsters Princes of the Apocalypse

saving throw or be pulled up to 20 feet into the water and knocked prone. Water within 120 feet of Olhydra becomes murky and opaque until initiative count 20 of the next round. A creature with

(Costs 2 Actions). Olhydra releases one creature she is grappling by flinging the creature up to 60 feet away from her, in a direction of her choice. If the flung creature comes into contact with a

Feather Token (Feather Fall)

Magic Items Wayfinder's Guide to Eberron

This small metal disk is inscribed with the image of a feather. When you fall at least 20 feet while the token is on your person, you descend 60 feet per round and take no damage from falling. The token’s magic is expended after you land, whereupon the disk becomes nonmagical.

Storm of Vengeance Legacy

Spells Basic Rules (2014)

. Each creature under the cloud takes 2d6 bludgeoning damage. Round 5–10. Gusts and freezing rain assail the area under the cloud. The area becomes difficult terrain and is heavily obscured. Each

(no more than 5,000 feet beneath the cloud) when it appears must make a Constitution saving throw. On a failed save, a creature takes 2d6 thunder damage and becomes deafened for 5 minutes. Each

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

, a creature in the wall’s space must make a DC 15 Dexterity saving throw once each round it’s in contact with the wall, taking 18 (4d8);{"diceNotation":"4d8","rollType":"damage

a creature moves costing it 4 feet of movement. A creature in the thickets must make a DC 15 Dexterity saving throw once each round it’s in contact with the thickets or take 3 (1d6

Giant Insect Legacy

Spells Basic Rules (2014)

spider becomes a giant spider, a wasp becomes a giant wasp, and a scorpion becomes a giant scorpion. Each creature obeys your verbal commands, and in combat, they act on your turn each round. The GM has

You transform up to ten centipedes, three spiders, five wasps, or one scorpion within range into giant versions of their natural forms for the duration. A centipede becomes a giant centipede, a

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

. Furthermore, a creature in the wall’s space must make a DC 15 Dexterity saving throw once each round it’s in contact with the wall, taking 18 (4d8);{"diceNotation":"4d8","rollType":"damage

1 foot a creature moves costing it 4 feet of movement. A creature in the thickets must make a DC 15 Dexterity saving throw once each round it’s in contact with the thickets or take 3 (1d6

Corrupted Slime

Equipment

Combat Utility Whimsy 16 14 13 Slime that has become affected by the Corruption becomes opaque and inky, staining things it comes in contact with. Corrupted slime retains

Githyanki Xenomancer

Monsters Spelljammer: Adventures in Space

sapient creatures can bring the xenomancer’s diplomatic skills to the forefront, while hostile contact becomes a test of the xenomancer’s survival skills. Sometimes a xenomancer’s

the farthest reaches of Wildspace and the Astral Sea, even visiting worlds of the Material Plane from time to time, to study and catalog creatures it has never encountered before. Friendly contact with

Portfolio Keeper

Magic Items Acquisitions Incorporated

At rank 2, you gain the use of a weathered leather pouch that is an uncommon magic item. The portfolio keeper holds and organizes notes, brochures, and business cards bearing your contact information

stored on a small parchment card in the portfolio keeper. You can access the details of any such stored card as a bonus action. Cards of Sending At rank 3, the power of your portfolio keeper becomes

Merrenoloth Legacy

Monsters Mordenkainen’s Tome of Foes

at the end of each of its turns, ending the effect on itself on a success.Lair Actions Any ship a merrenoloth is contracted to captain becomes the creature's lair. When fighting on the ship, the

30 feet until initiative count 20 on the next round. The air within 60 feet of the ship is filled with howling wind. Until initiative count 20 on the next round, that area is difficult terrain, and

Catoblepas

Monsters Mordenkainen Presents: Monsters of the Multiverse

disease and decay brings out similar characteristics in the creature’s swampy habitat. Such a wetland becomes gloomy, tangled, and more fetid than it was before. Beneficial qualities of the

the creature has such a feared reputation that stories about it are ingrained in the popular culture. Any rumor of a catoblepas taking up residence nearby is taken to be a bad omen, even if the rumor is

Chitine

Monsters Mordenkainen Presents: Monsters of the Multiverse

on attack rolls, as well as on Wisdom (Perception) checks that rely on sight. Web Sense. While in contact with a web, the chitine knows the exact location of any other creature in contact with the

, attracting spiders and other beings that serve her. Anywhere chitines set up a colony quickly becomes a webshrouded, gloomy, and treacherous place. Chitines resemble spiders, but they behave more like

Ancient Gold Dragon Legacy

Monsters Basic Rules (2014)

in a row: The dragon glimpses the future, so it has advantage on attack rolls, ability checks, and saving throws until initiative count 20 on the next round. One creature the dragon can see within

action to make a Charisma check contested by the dragon’s. If the creature wins, it escapes the dream plane. Otherwise, the effect ends on initiative count 20 on the next round. When the effect

Imix

Monsters Princes of the Apocalypse

physical contact with metal objects (for example, carrying metal weapons or wearing metal armor) takes 9 (2d8);{"diceNotation":"2d8","rollType":"damage","rollDamageType":"fire"} fire damage. Each creature

be knocked prone, in addition to the normal damage for contact with molten rock. A thick cloud of black smoke and burning embers fills a 40-foot-radius sphere within 120 feet of Imix, lasting until

Claugiyliamatar (possessed)

Monsters Divine Contention

costing it 4 feet of movement. A creature in the thickets must make a DC 15 Dexterity saving throw once each round it’s in contact with the thickets or take 3 (1d6) piercing damage from

-foot radius centered on a point on the ground that the dragon can see within 120 feet of it. That area becomes difficult terrain, and each creature there must succeed on a DC 15 Strength saving throw

Claugiyliamatar

Monsters Storm King's Thunder

wall, it must spend 4 feet of movement. Furthermore, a creature in the wall’s space must make a DC 15 Dexterity saving throw once each round it’s in contact with the wall, taking 18 (4d8

effect two rounds in a row: Grasping roots and vines erupt in a 20-foot radius centered on a point on the ground that the dragon can see within 120 feet of it. That area becomes difficult terrain, and

Adult Gold Dragon Legacy

Monsters Basic Rules (2014)

: The dragon glimpses the future, so it has advantage on attack rolls, ability checks, and saving throws until initiative count 20 on the next round. One creature the dragon can see within 120 feet

make a Charisma check contested by the dragon’s. If the creature wins, it escapes the dream plane. Otherwise, the effect ends on initiative count 20 on the next round. When the effect ends, the

Earthquake Legacy

Spells Basic Rules (2014)

and shakes creatures and structures in contact with the ground in that area. The ground in the area becomes difficult terrain. Each creature on the ground that is concentrating must make a

damage to any structure in contact with the ground in the area when you cast the spell and at the start of each of your turns until the spell ends. If a structure drops to 0 hit points, it collapses

Constructed Commoner

Monsters Candlekeep Mysteries

Unusual Nature. The commoner doesn’t require air, food, drink, or sleep, and it gains no benefit from finishing a short or long rest. When it drops to 0 hit points, it becomes a lifeless

whenever a villager touches a hard surface. The villagers are also cold to the touch, which can be ascertained only through physical contact. A character who succeeds on a DC 15 Wisdom (Insight) check

Beholder Legacy

Monsters Monster Manual (2014)

beholder becomes slimy; that area is difficult terrain until initiative count 20 on the next round. Walls within 120 feet of the beholder sprout grasping appendages until initiative count 20 on the round

becomes a pile of fine gray dust. If the target is a Large or smaller nonmagical object or creation of magical force, it is disintegrated without a saving throw. If the target is a Huge or larger

Death Tyrant Legacy

Monsters Monster Manual (2014)

and whether the cone is active. Any creature in that area can’t regain hit points. Any humanoid that dies there becomes a zombie under the tyrant’s command. The dead humanoid retains its

creature to 0 hit points, its body becomes a pile of fine gray dust. If the target is a Large or smaller nonmagical object or creation of magical force, it is disintegrated without a saving throw. If

Adult Time Dragon

Monsters Planescape: Adventures in the Multiverse

succeeds on three of these saves.The dragon can take up to three reactions per round but only one per turn. Reactive Rend. After using Legendary Resistance or in response to being hit by an attack

its Time Breath. Until the weakened effect ends on the target, its speed becomes 0, and its speed can’t increase. Time Slip. The dragon halves the damage it takes from an attack made against it

War Oil

Equipment

A target hit by a piece of Alchemical Ammunition packed with War Oil takes damage as normal for the ammunition, then becomes coated in War Oil for up to 1 minute. Alternatively, you can target a

an open flame or some other source of Fire damage, the oil ignites. The ignited oil burns for two rounds, dealing 2d4 Fire damage to any creature or object who comes in contact with it, and an

Pipes of the Sewers Legacy

Magic Items Basic Rules (2014)

it normally would and can't be swayed by the pipes' music for the next 24 hours. If you win the contest, the swarm is swayed by the pipes' music and becomes friendly to you and your companions for as

long as you continue to play the pipes each round as an action. A friendly swarm obeys your commands. If you issue no commands to a friendly swarm, it defends itself but otherwise takes no actions. If

Pidlwick II

Monsters Curse of Strahd

Ambusher. During the first round of combat, Pidlwick II has advantage on attack rolls against any creature that hasn't had a turn yet.Club. Melee Weapon Attack: +2;{"diceNotation":"1d20+2","rollType

Ideal. “I wish I could make people happy.” Bond. “I would like to find someone—anyone—who isn't afraid of me and who enjoys my company.” Flaw. “When I'm upset, I do bad things.”Poison

Criminal / Spy Legacy

Backgrounds Basic Rules (2014)

CONTACT You have a reliable and trustworthy contact who acts as your liaison to a network of other criminals. You know how to get messages to and from your contact, even over great distances

. 4 I have a “tell” that reveals when I’m lying. 5 I turn tail and run when things look bad. 6 An innocent person is in prison for a crime that I committed. I’m okay with that.

Ancient Time Dragon

Monsters Planescape: Adventures in the Multiverse

by the dragon from opening in the rulers’ presence or anywhere within their domains.The dragon can take up to three reactions per round but only one per turn. Reactive Rend. After using

it can see within 90 feet of itself that is weakened by its Time Breath. Until the weakened effect ends on the target, its speed becomes 0, and its speed can’t increase. Time Slip. The dragon

Red Slaad (control gem variant) Legacy

Monsters Monster Manual (2014)

the host's chest in 1 round, killing the host in the process. If the disease is cured before the tadpole's emergence, the unborn slaad is disintegrated.As a slaad emerges from the Spawning Stone, the

be controlled in this way. A slaad born from something other than the Spawning Stone has no gem in its brain, but it gains one if it ever comes into contact with the Spawning Stone. Slaadi on Limbo are

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