containing reaction grows to have response

Hydra

Monsters Monster Manual

damage since its last turn. The hydra regains 20 Hit Points when it grows new heads. Reactive Heads. For each head the hydra has beyond one, it gets an extra Reaction that can be used only for

all its heads are dead. At the end of each of its turns when it has at least one living head, the hydra grows two heads for each of its heads that died since its last turn, unless it has taken Fire

Warrior Commander

Monsters Monster Manual

effects: Sap. The target has Disadvantage on its next attack roll before the start of the warrior’s next turn. Maneuver. One ally who can see or hear the warrior can take a Reaction to move up

until the end of the target’s next turn.Counterattack. Trigger: The warrior is hit by an attack roll. Response: The warrior adds 4 to its AC against that attack, possibly causing it to miss. On a

Marilith

Monsters Monster Manual

Resistance. The marilith has Advantage on saving throws against spells and other magical effects. Reactive. The marilith can take one Reaction on every turn of combat.Multiattack. The marilith makes six Pact

ends.Parry. Trigger: The marilith is hit by a melee attack roll while holding a weapon. Response: The marilith adds 5 to its AC against that attack, possibly causing it to miss.PoisonCold, Fire

Bag of Beans

Magic Items Dungeon Master’s Guide

disappears in a puff of bright-pink smoke. 61–70 A hungry Bulette burrows up and attacks. 71–80 A fruit tree grows. It has 1d10 + 20 fruit, 1d8 of which act as randomly

takes 10d6 Force damage from an internal explosion. 91–95 A pyramid with a 60-foot-square base bursts upward. Inside is a burial chamber containing a Mummy, a Mummy Lord, or some other

Arch-hag

Monsters Monster Manual

hag casts Counterspell in response to that spell’s trigger, using the same spellcasting ability as Spellcasting. If the target fails its saving throw, it is cursed until the end of its next turn

lairs frequently change or exhibit bewildering features. The region containing an arch-hag’s lair is altered by its presence, creating the following effects: Lapsus Linguae. Creatures

Telepathic Pentacle

Monsters Icewind Dale: Rime of the Frostmaiden

. If all its heads die, the Telepathic Pentacle dies. At the end of its turn, it grows two heads for each of its heads that died since its last turn, unless it has taken fire damage since its last turn

. The Telepathic Pentacle regains 10 hit points for each head regrown in this way. Reactive Heads. For each head the Telepathic Pentacle has beyond one, it gets an extra reaction that can be used only

Ironscale Hydra

Monsters Mythic Odysseys of Theros

hydra dies. At the end of its turn, it grows two heads for each of its heads that died since its last turn, unless it has taken fire damage since its last turn. The hydra regains 10 hit points for

each head regrown in this way. Reactive Heads. For each head the hydra has beyond one, it gets an extra reaction that can be used only for opportunity attacks. Wakeful. While the hydra sleeps, at least

Maw of Yeenoghu

Monsters Bigby Presents: Glory of the Giants

grapple ends, the target has the restrained condition. The maw can have only one creature grappled in this way at a time.Fanged Rebuke. In response to taking damage, the maw makes one Bite attack

result is a ravenous monster called a maw of Yeenoghu, which is wholly devoted to the demon lord. A maw of Yeenoghu grows a mane of hair and hunches over like a gnoll. Its jaw grows and widens, and

Snapping Hydra

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

, the hydra dies. At the end of its turn, the hydra grows two heads for each of its heads that died since its last turn, unless it has taken cold damage since its last turn. The hydra regains 10 hit

points for each head regrown this way. Reactive Heads. For each head the hydra has beyond one, it gets an extra reaction that can be used only for opportunity attack;opportunity attacks. Wakeful. While

Dracohydra

Monsters Fizban's Treasury of Dragons

knocked unconscious. Whenever the dracohydra takes 30 or more damage in a single turn, one of its heads dies. If all its heads die, the dracohydra dies. At the end of its turn, the dracohydra grows two

. For each head the dracohydra has beyond one, it gets an extra reaction that can be used only for opportunity attacks. Wakeful. While the dracohydra sleeps, at least one of its heads is

Goose Mother

Monsters Monstrous Compendium Vol. 4: Eldraine Creatures

damage in a single turn, one of its heads dies. If all its heads die, the Goose Mother dies. At the end of its turn, the Goose Mother grows two heads for each of its heads that died since its last

an extra reaction that can be used only for opportunity attack;opportunity attacks. Wakeful. While the Goose Mother sleeps, at least one of its heads is awake.Multiattack. The Goose Mother makes as

Graz'zt

Monsters Mordenkainen Presents: Monsters of the Multiverse

one Wave of Sorrow attack. Dance, My Puppet! One creature charmed by Graz’zt that Graz’zt can see must use its reaction to move up to its speed as Graz’zt directs.The appearance of

have disadvantage on Dexterity (Stealth) checks made to hide. Regional Effects The region containing Graz’zt’s lair is warped by his magic, creating one or more of the following effects

Baphomet

Monsters Mordenkainen Presents: Monsters of the Multiverse

for 1 minute or until Baphomet takes this lair action again. Regional Effects The region containing Baphomet’s lair is warped by his magic, creating one or more of the following effects

. Hedge Mazes. Plant life within 1 mile of the lair grows thick and forms walls of trees, hedges, and other flora in the form of small mazes. Panicked Beasts. Beasts within 1 mile of the lair become

Geryon (Variant)

Monsters Mordenkainen Presents: Monsters of the Multiverse

innumerable times. Currently, Levistus claims lordship over Stygia, but he has been trapped in an enormous block of ice at the command of Asmodeus. In response, Geryon is marshaling his followers, hoping to

Effects The region containing Geryon’s lair is warped by his magic, creating one or more of the following effects: Chilling Wind. Freezing strong winds howl around the area within 1 mile of

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

Monsters Mordenkainen Presents: Monsters of the Multiverse

times. Currently, Levistus claims lordship over Stygia, but he has been trapped in an enormous block of ice at the command of Asmodeus. In response, Geryon is marshaling his followers, hoping to use this

The region containing Geryon’s lair is warped by his magic, creating one or more of the following effects: Chilling Wind. Freezing strong winds howl around the area within 1 mile of the lair

Polukranos

Monsters Mythic Odysseys of Theros

. Whenever Polukranos takes 40 or more damage in a single turn, one of its heads dies. If all its heads die, Polukranos dies. At the end of its turn, it grows two heads for each of its heads that died

beyond one, it gets an extra reaction that can be used only to make opportunity attacks. Siege Monster. Polukranos deals double damage to objects and structures. Wakeful. While Polukranos sleeps, at

Satyr Legacy

Species Mythic Odysseys of Theros

all, and the proper response to such a gift, as far as most satyrs are concerned, is to accept it with relish. Born of the Wild In their physical forms, satyrs embody a fusion of humanoid

longer below the knees. Short, soft hair grows down their neck and spine, along their shoulders, and on their forearms. Embracing Life Most satyrs believe that the other peoples of Theros are woefully

Balhannoth

Monsters Mordenkainen Presents: Monsters of the Multiverse

transformation lasts until the balhannoth dies or takes this lair action again. Regional Effects A region containing a balhannoth’s lair becomes warped by the creature’s unnatural presence

desire most. The sensation grows stronger the closer the creatures come to the balhannoth’s lair. If the balhannoth dies, these effects end immediately.

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

action on its turn, not both. The creature also can’t take a reaction or a bonus action. Timeline Divergence. The dragon chooses a space it can fit into within its lair. The dragon exists

Demogorgon

Monsters Mordenkainen Presents: Monsters of the Multiverse

its action, reaction, and movement. Spellcasting. Demogorgon casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability (spell save DC 23

hitting him with an attack), there is a 50 percent chance that the illusory duplicate is affected, not Demogorgon, in which case the illusion disappears. Regional Effects The region containing Demogorgon

Baphomet Legacy

Monsters Out of the Abyss

that is no longer in any dimension than 100 feet. The effect ends on the next initiative count 20. Regional Effects The region containing Baphomet’s lair is warped by his magic, creating one or

more of the following effects: Plant life within 1 mile of the lair grows thick and forms walls of trees, hedges, and other flora in the form of small mazes. Beasts within 1 mile of the lair

Rak Tulkhesh

Monsters Eberron: Rising from the Last War

). Each creature within 60 feet of Rak Tulkhesh must succeed on a DC 24 Wisdom saving throw or use its reaction to make a melee weapon attack against a random creature within reach. If no creatures

and reclaim the world above. As long as the overlords are bound by the Silver Flame, they can't physically manifest in the world. But each overlord embodies a particular aspect of evil, which grows in

Fomorian Warlock of the Dark

Monsters Bigby Presents: Glory of the Giants

action and Poisoning Rebuke reaction. The object bearing the blood rune has AC 15; 30 hit points; and immunity to necrotic, poison, and psychic damage. The object regains all its hit points at the end

, suggestion, telekinesisPoisoning Rebuke (Requires Blood Rune). In response to being damaged by a creature the fomorian can see within 60 feet of itself, the fomorian forces that creature to make a DC 16

Feylost

Backgrounds The Wild Beyond the Witchlight

traveler’s clothes, three trinkets (each determined by rolling on the Feywild Trinkets table), and a pouch containing 8 gp Fey Mark You were transformed in some small way by your stay in the Feywild

(your choice) in your presence. 7 Your hair is made of vines or brambles and grows back to normal length within 1 hour of being cut. 8 You have a tail like that of a dog or another animal

Yeenoghu Legacy

Monsters Out of the Abyss

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

, causing them to have advantage on melee weapon attack rolls and causing attack rolls to have advantage against them. Regional Effects The region containing Yeenoghu’s lair is warped by his

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

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

Ancient Time Dragon

Monsters Planescape: Adventures in the Multiverse

Legendary Resistance or in response to being hit by an attack roll, the dragon makes one Rend attack. Slow Time. Immediately after a creature the dragon can see ends its turn, the dragon targets a creature

affected creature can move or take an action on its turn, not both. The creature also can’t take a reaction or a bonus action. Timeline Divergence. The dragon chooses a space it can fit into

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

herself. Regional Effects The region containing Zuggtmoy’s lair is warped by her magic, creating one or more of the following effects: Corrupted Nature. Within 6 miles of the lair, all Wisdom

Graz'zt Legacy

Monsters Out of the Abyss

reaction to move up to its speed as Graz’zt directs. Sow Discord. Graz’zt casts crown of madness or dissonant whispers. Teleport. Graz’zt uses his Teleport action.The appearance of the

(Stealth) checks made to hide. Regional Effects The region containing Graz’zt’s lair is warped by his magic, creating one or more of the following effects: Flat surfaces within 1 mile of

Hierophant Medusa

Monsters The Book of Many Things

a surface such as a ceiling with no way to remain there (for example, sufficient handholds), it falls at the end of this movement. Regional Effects The region containing a medusa’s lair is

until the creature is freed by the Greater Restoration spell or other magic. A creature can use its reaction, if available, to shut its eyes to avoid the saving throw. If the creature does so, it has the blinded condition until the end of its next turn.

Nafas

Monsters Quests from the Infinite Staircase

. Zephyr Step. In response to being hit by an attack roll, Nafas moves up to half his flying speed without provoking opportunity attack;opportunity attacks.Nafas is the breath of the multiverse, an

dust lasts until Nafas disperses it (no action required) or uses this lair action again, and it can’t be dispersed by wind. Regional Effects The region containing Nafas’s lair is warped

Arasta

Monsters Mythic Odysseys of Theros

paraphrase the following text when Arasta uses her Armor of Spiders trait: The nightmarish arachnid unleashes a shriek that sounds like a thousand spider carapaces scarring slate. In response, the

The region containing Arasta’s lair is warped by her presence, which creates one or more of the following effects: Spiders and insects within 1 mile of Arasta’s lair serve as her eyes

Belashyrra

Monsters Eberron: Rising from the Last War

succeed on a DC 22 Wisdom saving throw or take 22 (4d10);{"diceNotation":"4d10","rollType":"damage","rollAction":"Implant Fear","rollDamageType":"psychic"} psychic damage and immediately use its reaction

’s lair is known to touch remote areas of the Shadow Marches and caverns below Xen’drik. A region containing a passage to Belashyrra’s lair is warped by its magic, which creates one or

Hydra Legacy

Monsters Basic Rules (2014)

its turn, it grows two heads for each of its heads that died since its last turn, unless it has taken fire damage since its last turn. The hydra regains 10 hit points for each head regrown in this way

. Reactive Heads. For each head the hydra has beyond one, it gets an extra reaction that can be used only for opportunity attacks. Wakeful. While the hydra sleeps, at least one of its heads is

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