been becoming diffusing causes reaction

Kalain

Monsters Waterdeep: Dragon Heist

paintings and causes its subject to spring forth, becoming a creature of that kind provided its CR is 3 or lower. The creature appears in an unoccupied space within 5 feet of the painting, which becomes

Gadabout

Monsters Monstrous Compendium Vol. 1: Spelljammer Creatures

target to escape the grapple causes the gadabout to use its reaction to move into the nearest unoccupied space. While grappled by the gadabout, the target determines where the gadabout moves on the

Thessalar

Monsters Infernal Machine Rebuild

Toxicity. Any magic item that restores hit points and can be applied to a piercing or slashing weapon (a potion, an ointment, and so forth) causes a hit with that weapon to deal extra damage to Thessalar

of life, resulting in such creatures as the thessalhydra and the owlbear. In recent years, he has also researched the prolonging of life—namely his own. Thessalar hopes that by becoming a lich

Leather Golem Armor

Magic Items Lost Laboratory of Kwalish

resistance to lightning damage. Whenever you take lightning damage, you gain 5 temporary hit points. Curse. This armor is cursed, and becoming attuned to it extends the curse to you. Until

. On a 6, the armor causes you to go berserk. On each of your turns while berserk, you attack the nearest creature you can see. If no creature is near enough to move to and attack, you attack an

Flind

Monsters Mordenkainen Presents: Monsters of the Multiverse

"} bludgeoning damage, and the target must make a DC 16 Wisdom saving throw. On a failed save, the target must use its reaction, if available, to make one melee attack against a random creature, other than

Yeenoghu, a flind uses demonic insight to guide the gnolls toward weak prey ripe for slaughter. Unlike other leaders who might skulk behind their minions, a flind leads the charge in battle. Its flail causes wracking pain, paralysis, and disorientation in those it strikes.

Helm of the Sentinel

magic-items

establish a defensive ward with a contingent Counterspell. The next time you can see an unfriendly creature within 60 feet of you casting any spell that either targets you or causes you to make a saving throw

, the Counterspell immediately takes effect whether or not you want it to, as if you had cast it using your Reaction. Wisdom is your spellcasting ability for this spell. The ward ends immediately

Duergar Mind Master Legacy

Monsters Mordenkainen’s Tome of Foes

succeed on a DC 12 Intelligence saving throw, or the duergar causes it to use its reaction either to make one weapon attack against another creature the duergar can see or to move up to 10 feet in a

Cloaker Mutate

Monsters Phandelver and Below: The Shattered Obelisk

causes a cloaker to merge with the rotted corpse of its last meal, resulting in a hideous puppeteering Aberration. The cloaker mutate shrouds its actions in a miasma of phantasmic duplicates. It uses the

in this section are found in the preceding adventure, although other mutates exist. Some creatures are more prone to becoming Far Realm mutates, such as the cloaker and otyugh mutate;otyugh. Mutates

Eldritch Lich

Monsters Monstrous Compendium Vol. 1: Spelljammer Creatures

Realm. In 2d4;{"diceNotation":"2d4","rollType":"roll","rollAction":"Far Realm Parasite (Days)"} days, the parasite causes the lich to reappear within 1d4;{"diceNotation":"1d4","rollType":"roll

becoming an eldritch lich. Like other liches, eldritch liches are spellcasters who have cheated death, but an eldritch lich does so by allowing a Great Old One to implant a Far Realm parasite in the lich

Undercity Medusa

Monsters Guildmasters’ Guide to Ravnica

at the end of its next turn, becoming petrified on a failure or ending the effect on a success. The petrification lasts until the creature is freed by a greater restoration spell or similar magic.The

cables, and its hands are scaly claws. The gaze of a medusa's glowing eyes causes living tissue to petrify. The transformation is rapid, leaving the victim as a stone statue, usually frozen in a position

Cradle of the Stone Scion

Monsters Bigby Presents: Glory of the Giants

, almost becoming one with the earth. While the scion dreams, the mountain’s minerals are transformed into fine carving stones and brilliant gems. If a miner tunnels too close to the heart of the

AttacksCrystal Flare. The cradle causes the crystals on its body to flare with light. Each creature within 30 feet of the cradle must succeed on a DC 22 Constitution saving throw or take 21 (6d6

Zuggtmoy Legacy

Monsters Out of the Abyss

Thrall. When Zuggtmoy is hit by an attack, one creature within 5 feet of Zuggtmoy that is charmed by her must use its reaction to be hit by the attack instead.Zuggtmoy can take 3 legendary actions

turn. Attack. Zuggtmoy makes one pseudopod attack. Exert Will. One creature charmed by Zuggtmoy that she can see must use its reaction to move up to its speed as she directs or to make a weapon

Geryon (Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

teleports, along with any equipment he is wearing and carrying, up to 120 feet to an unoccupied space he can see. Sound the Horn (1/Day). Geryon blows his horn, which causes 5d4;{"diceNotation":"5d4

one of the following lair actions; he can’t take the same lair action two rounds in a row: Banish. Geryon casts the banishment spell. Chill Blast. Geryon causes a blast of cold to burst from the

Fog Giant

Monsters Mordenkainen's Fiendish Folio Volume 1

shouts bloodcurdling threats at the creatures that serve it. Each medium or smaller ally of the giant within 120 feet of it that can see or hear it can use its reaction to make a melee attack.The place of

treasure plundered fall to the bottom of the ordning, becoming outcasts known as fog giants. Cut off from their proper place in society, they become raiders and marauders who seek to reclaim their

Baba Lysaga

Monsters Curse of Strahd

imparted to Lysaga the secret of longevity, which requires her to bathe in the blood of beasts on nights of the new moon. Failure to do so causes Lysaga to age rapidly, becoming mere dust and bones in a

Storm Giant Quintessent Legacy

Monsters Volo's Guide to Monsters

of its turns, becoming a giant once more and appearing in any location it chooses within its lair. While dispersed, the giant can't take any actions other than lair actions, and it can't be targeted

protected from the wind. Rain, snow, or blowing dust or sand (whichever is most appropriate) is constant within 1 mile of the lair. Rain causes rivers and streams to fill or overflow their banks; snow

Geryon

Monsters Mordenkainen Presents: Monsters of the Multiverse

following lair actions; he can’t take the same lair action two rounds in a row: Banish. Geryon casts the banishment spell. Chill Blast. Geryon causes a blast of cold to burst from the ground

–6). As a reaction when this creature takes damage, it can roll a d10 and subtract the number rolled from the damage. Geryon (Variant);VARIANT: SOUND THE HORN Geryon can have an action that

Storm Giant Quintessent

Monsters Mordenkainen Presents: Monsters of the Multiverse

, dispersing itself into the storm surrounding its lair. The giant can end this effect at the start of any of its turns, becoming a giant once more and appearing in any location it chooses within its lair

of the following effects: Downpour. Rain, snow, or blowing dust or sand (whichever is most appropriate) is constant within 1 mile of the lair. Rain causes rivers and streams to fill or overflow

Relentless Slasher

Monsters Van Richten’s Guide to Ravenloft

the target is a creature, it suffers a lingering wound that causes it to take 7 (2d6);{"diceNotation":"2d6","rollType":"damage","rollAction":"Slasher's Knife","rollDamageType":"necrotic"} necrotic

disguise, its visage becoming a symbol of its crimes. 6 Penitent. The killer can’t help itself from committing crimes and seeks help to thwart its own continuing violence. 7 Ritualist

Duergar Mind Master

Monsters Mordenkainen Presents: Monsters of the Multiverse

. The duergar targets one creature it can see within 60 feet of it. The target must succeed on a DC 12 Intelligence saving throw, or the duergar causes it to use its reaction, if available, either to

Archon of Falling Stars

Monsters Mythic Odysseys of Theros

makes a radiant spear attack, and then its mount can use its reaction to make a melee weapon attack. Return to Nyx (Costs 3 Actions). The archon causes a corpse it can see within 30 feet of it to burst

Hythonia

Monsters Mythic Odysseys of Theros

failed save the creature begins to turn to stone and is restrained. The restrained creature must repeat the saving throw at the end of its next turn, becoming petrified on a failure or ending the

up to her speed without provoking opportunity attacks. Snaky Hair. Hythonia makes one attack with her snaky hair. Petrified Earth (Costs 2 Actions). Hythonia causes stone spikes to erupt from the

Zuggtmoy

Monsters Mordenkainen Presents: Monsters of the Multiverse

. One creature charmed by Zuggtmoy that she can see must use its reaction, if available, to move up to its speed as she directs or to make one weapon attack against a target that she designates.The Demon

and make one weapon attack. Summon Fungi. Zuggtmoy causes four gas spore;gas spores or violet fungus;violet fungi (both appear in the Monster Manual) to appear in unoccupied spaces that she chooses

Yeenoghu Legacy

Monsters Out of the Abyss

same effect two rounds in a row. Yeenoghu causes an iron spike—5 feet tall and 1 inch in diameter—to burst from the ground at a point he can see within 100 feet of him. Any creature in

condition. Each gnoll or hyena that Yeenoghu can see can use its reaction to move up to its speed. Until the next initiative count 20, all gnoll;gnolls and hyena;hyenas within the lair are enraged

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

. Yeenoghu causes an iron spike—5 feet tall and 1 inch in diameter—to burst from the ground at a point he can see within 100 feet of him. Any creature in the space where the spike emerges

or hyena that Yeenoghu can see can use its reaction to move up to its speed. Regional Effects The region containing Yeenoghu’s lair is warped by his magic, creating one or more of the

Wand of Wonder Legacy

Magic Items Basic Rules (2014)

. Roll d100 and consult the following table to discover what happens. If the effect causes you to cast a spell from the wand, the spell's save DC is 15. If the spell normally has a range expressed in

any other failed save, the target is restrained and begins to turn to stone. While restrained in this way, the target must repeat the saving throw at the end of its next turn, becoming petrified on a

Staff of the Forgotten One

Magic Items Tomb of Annihilation

force tries to possess the staff wielder. The wielder must succeed on a DC 20 Charisma saving throw or be possessed, becoming an NPC under the DM’s control. If the intruding life force is targeted

destroys both the staff and the life force trapped within it. The staff doesn’t explode if destroyed in this manner, but its destruction causes the sphere to be destroyed as well.

Ruinblade

Magic Items Infernal Machine Rebuild

version of the green devil face of the Tomb of Horrors is fashioned into the hilt of the weapon, with the blade extending from its open mouth. The blade always appears ruined and rusting, and causes its

property of the weapon can’t be used until dawn seven days later. Curse. This weapon is cursed, and becoming attuned to it extends the curse to you. Until the curse is broken with a remove curse

Adult Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

creature within 30 feet of it that it can see. The target must succeed on a DC 16 Wisdom saving throw or use its reaction to make a melee weapon attack against a random creature within reach. If no

creatures are within reach, or the target can’t take a reaction, it takes 5 (1d10);{"diceNotation":"1d10", "rollType":"damage", "rollAction":"Commanding Spores", "rollDamageType":"psychic"} psychic

Yuan-ti Pureblood Legacy

races Volo's Guide to Monsters

cannibalizing their victims, and then performed a sorcerous ritual while writhing in pools filled with living snakes that enabled them to mix their flesh with that of serpents, becoming like the gods in

they don’t believe they have a reasonable chance of success. This reaction isn’t out of cowardice, but practicality—yuan-ti value their own lives much too highly to risk them when the

Ancient Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

around a creature within 30 feet of it that it can see. The target must succeed on a DC 19 Wisdom saving throw or use its reaction to make a melee weapon attack against a random creature within reach. If

no creatures are within reach, or the target can’t take a reaction, it takes 11 (2d10);{"diceNotation":"2d10", "rollType":"damage", "rollAction":"Commanding Spores", "rollDamageType":"psychic

K40. Belfry

Compendium - Sources->Dungeons & Dragons->Curse of Strahd

climb it brings forth a loud, long “GONG.” That sound causes five giant spiders to drop from their webs and attack. The spiders attack only if they are attacked or if the bell is sounded. Most of the

belfry is filled with giant spider webs (see “Dungeon Hazards” in chapter 5, “Adventure Environments,” of the Dungeon Master’s Guide). Characters who blunder into them risk becoming stuck. At the west end of the north wall, behind thick webs, is a secret door that opens into area K41.

K40. Belfry

Compendium - Sources->Dungeons & Dragons->Curse of Strahd

climb it brings forth a loud, long “GONG.” That sound causes five giant spiders to drop from their webs and attack. The spiders attack only if they are attacked or if the bell is sounded. Most of the

belfry is filled with giant spider webs (see “Dungeon Hazards” in chapter 5, “Adventure Environments,” of the Dungeon Master’s Guide). Characters who blunder into them risk becoming stuck. At the west end of the north wall, behind thick webs, is a secret door that opens into area K41.

K40. Belfry

Compendium - Sources->Dungeons & Dragons->Curse of Strahd

climb it brings forth a loud, long “GONG.” That sound causes five giant spiders to drop from their webs and attack. The spiders attack only if they are attacked or if the bell is sounded. Most of the

belfry is filled with giant spider webs (see “Dungeon Hazards” in chapter 5, “Adventure Environments,” of the Dungeon Master’s Guide). Characters who blunder into them risk becoming stuck. At the west end of the north wall, behind thick webs, is a secret door that opens into area K41.

Leather Golem Armor

Compendium - Sources->Dungeons & Dragons->Lost Laboratory of Kwalish

would alter your form. Lightning Absorption. You gain resistance to lightning damage. Whenever you take lightning damage, you gain 5 temporary hit points. Curse. This armor is cursed, and becoming

against you, roll a d6. On a 6, the armor causes you to go berserk. On each of your turns while berserk, you attack the nearest creature you can see. If no creature is near enough to move to and

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