beast become driven certain reaction

Arrow-Catching Shield

Magic Items Dungeon Master’s Guide

attack roll against a target within 5 feet of you, you can take a Reaction to become the target of the attack instead.

Dominate Beast

Spells Player’s Handbook

One Beast you can see within range must succeed on a Wisdom saving throw or have the Charmed condition for the duration. The target has Advantage on the save if you or your allies are fighting it

command the target to take a Reaction but must take your own Reaction to do so. Using a Higher-Level Spell Slot. Your Concentration can last longer with a spell slot of level 5 (up to 10 minutes), 6 (up to 1 hour), or 7+ (up to 8 hours).

Find Familiar

Spells Player’s Handbook

You gain the service of a familiar, a spirit that takes an animal form you choose: Bat, Cat, Frog, Hawk, Lizard, Octopus, Owl, Rat, Raven, Spider, Weasel, or another Beast that has a Challenge Rating

of 0. Appearing in an unoccupied space within range, the familiar has the statistics of the chosen form, though it is a Celestial, Fey, or Fiend (your choice) instead of a Beast. Your familiar acts

Figurine of Wondrous Power

Magic Items Dungeon Master’s Guide

the creature, the figurine doesn’t become a creature. The creature is Friendly to you and your allies. It understands your languages, obeys your commands, and takes its turn immediately after

figurine form. When the creature becomes a figurine again, its property can’t be used again until a certain amount of time has passed, as specified in the figurine’s description. Figurine

Quarterstaff of the Acrobat

Magic Items Dungeon Master’s Guide

) or a 10-foot pole, or reverting it a Quarterstaff; the weapon will elongate only as far as the surrounding space allows. In certain forms, the weapon has the following additional properties

an attack while holding the weapon, you can take a Reaction to twirl the weapon around you, gaining a +5 bonus to your Armor Class against the triggering attack, potentially causing the attack to miss

Rod of Absorption

Magic Items Dungeon Master’s Guide

While holding this rod, you can take a Reaction to absorb a spell that is targeting only you and doesn’t create an area of effect. The absorbed spell’s effect is canceled, and the spell

by a spell that the rod can’t store, the rod has no effect on that spell. When you become attuned to the rod, you know how many levels of energy the rod has absorbed over the course of its

Giant Insect

Spells Player’s Handbook

determines certain details in its stat block. The creature disappears when it drops to 0 Hit Points or when the spell ends. The creature is an ally to you and your allies. In combat, the creature

its movement to avoid danger. Using a Higher-Level Spell Slot. Use the spell slot’s level for the spell’s level in the stat block. Giant Insect Large Beast, Unaligned AC 11 + the spell

Summon Beast

Spells Player’s Handbook

, or Water. The creature resembles an animal of your choice that is native to the chosen environment, which determines certain details in its stat block. The creature disappears when it drops to 0 Hit

for the spell’s level in the stat block. Bestial Spirit Small Beast, Neutral AC 11 + the spell’s level HP 20 (Air only) or 30 (Land and Water only) + 5 for each spell level above 2

Vampire

Monsters Monster Manual

, the vampire uses Shape-Shift to become mist (no action required). If it can’t use Shape-Shift, it is destroyed. While it has 0 Hit Points in mist form, it can’t return to its vampire form

water. Stake to the Heart. If a weapon that deals Piercing damage is driven into the vampire’s heart while the vampire has the Incapacitated condition in its resting place, the vampire has the

Vadalis Heir

Monsters Eberron: Forge of the Artificer

Beast. The heir targets a Beast it can see within 30 feet. The target can take a Reaction to move up to half its Speed and make one melee attack.

Greater Mark of Handling

Feats Eberron: Forge of the Artificer

feet of your mount with a melee attack roll, your mount can take a Reaction to move up to its Speed or take the Attack action to make one attack only (your choice). Subdue Animal. As a Magic action

, you exert command over one Beast or Monstrosity you can see within 30 feet of yourself. The target must succeed on a Wisdom saving throw (DC 8 plus your Wisdom modifier and Proficiency Bonus) or have

Adult Deep Dragon

Monsters Forgotten Realms: Adventures in Faerûn

Underdark. They are stealthy hunters with an affinity for lost lore and fungi that flourish in the depths. As deep dragons age, their smooth, serpentine bodies become riddled with fungal rot, particularly

;s lair is changed by its presence, creating the following effects: Preservation of Knowledge. Books and other written forms of communication with 1 mile of the lair become magically protected and can

Ancient Deep Dragon

Monsters Forgotten Realms: Adventures in Faerûn

hunters with an affinity for lost lore and fungi that flourish in the depths. As deep dragons age, their smooth, serpentine bodies become riddled with fungal rot, particularly around their faces, to

presence, creating the following effects: Preservation of Knowledge. Books and other written forms of communication with 1 mile of the lair become magically protected and can’t be damaged by

Vampire Infernalist

Monsters Astarion's Book of Hungers

, the vampire uses Shape-Shift to become mist (no action required). If it can’t use Shape-Shift, it is destroyed. While it has 0 Hit Points in mist form, it can’t return to its vampire form

. Running Water. The vampire takes 20 Acid damage if it ends its turn in running water. Stake to the Heart. If a weapon that deals Piercing damage is driven into the vampire’s heart while the

Beast Whistle

Equipment

This bone whistle is carved in the shape of a gargath. When blown, it produces a high-pitched sound that can only be heard clearly by certain creatures. When you blow this whistle, any beast within

training a friendly beast in this way, you can use it to deliver coded instructions to a trained beast within the whistle’s range.

Horncaller

Monsters Guildmasters’ Guide to Ravnica

damage if used with two hands. One with the Worldsoul. The horncaller chooses one beast it can see within 30 feet of it. If the beast can hear the horncaller, the beast uses its reaction to make one melee

Nupperibo

Monsters Mordenkainen Presents: Monsters of the Multiverse

suitable only to become nupperibos. These pitiful creatures shuffle across the landscape, driven to purposeful action only when the clouds of swarming vermin that surround them find them prey to destroy or

","rollType":"damage","rollAction":"Cloud of Vermin","rollDamageType":"acid"} acid damage. A creature within the areas of two or more nupperibos makes the saving throw with disadvantage. Driven

Figurine of Wondrous Power Legacy

Magic Items Basic Rules (2014)

A figurine of wondrous power is a statuette of a beast small enough to fit in a pocket. If you use an action to speak the command word and throw the figurine to a point on the ground within 60 feet

doesn't become a creature. The creature is friendly to you and your companions. It understands your languages and obeys your spoken commands. If you issue no commands, the creature defends itself but

Dominate Beast Legacy

Spells Basic Rules (2014)

You attempt to beguile a beast that you can see within range. It must succeed on a Wisdom saving throw or be charmed by you for the duration. If you or creatures that are friendly to you are fighting

it, it has advantage on the saving throw. While the beast is charmed, you have a telepathic link with it as long as the two of you are on the same plane of existence. You can use this telepathic

Quasit Legacy

Monsters Basic Rules (2014)

Shapechanger. The quasit can use its action to polymorph into a beast form that resembles a bat (speed 10 ft. fly 40 ft.), a centipede (40 ft., climb 40 ft.), or a toad (40 ft., swim 40 ft.), or back

. Magic Resistance. The quasit has advantage on saving throws against spells and other magical effects.Claws (Bite in Beast Form). Melee Weapon Attack: +4;{"diceNotation":"1d20+4","rollType":"to hit

Ironscale Hydra

Monsters Mythic Odysseys of Theros

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

hibernation during which it continues to grow. When it awakens, it goes on a feeding rampage, so beginning the cycle once again. These rhythms of destruction sometimes become so ingrained in the minds and

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

":"necrotic"} necrotic damage. Cast a Spell (Costs 2 Actions). Demogorgon uses Spellcasting.Prince of Demons, the Sibilant Beast, and Master of the Spiraling Depths, Demogorgon is the embodiment of

Guardian of Nature

Spells Xanathar's Guide to Everything

Tree. Primal Beast. Bestial fur covers your body, your facial features become feral, and you gain the following benefits: Your walking speed increases by 10 feet. You gain darkvision with a range

A nature spirit answers your call and transforms you into a powerful guardian. The transformation lasts until the spell ends. You choose one of the following forms to assume: Primal Beast or Great

Jarl Grugnur

Monsters Tales from the Yawning Portal

attacker makes a ranged attack against a target within 5 feet of Grugnur, he can use his reaction to become the target of the attack instead.Cold

Quasit (familiar variant) Legacy

Monsters Monster Manual (2014)

Shapechanger. The quasit can use its action to polymorph into a beast form that resembles a bat (speed 10 ft. fly 40 ft.), a centipede (40 ft., climb 40 ft.), or a toad (40 ft., swim 40 ft.), or back

shares the quasit’s Magic Resistance trait. At any time and for any reason, the quasit can end its service as a familiar, ending the telepathic bond.Claws (Bite in Beast Form). Melee Weapon Attack

Shifter

Monsters Eberron: Rising from the Last War

noses, pointed ears, and light fur over much of their bodies. When a shifter fully embraces the beast within by “shifting,” these features become even more pronounced.

","rollDamageType":"piercing"} piercing damage.Shifters are tied to primal spirits, which most of them refer to as the beast within. They are lithe of form and have bestial features: large eyes, flat

Symbol Legacy

Spells Basic Rules (2014)

stepping on the glyph, removing another object covering it, approaching within a certain distance of it, or manipulating the object that holds it. For glyphs inscribed within an object, the most

common triggers are opening the object, approaching within a certain distance of it, or seeing or reading the glyph. You can further refine the trigger so the spell is activated only under certain

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

cloud giants in the ordning—the set of values and expectations that determines their rank in giant society—is driven by wealth. Those cloud giants foolish or unlucky enough to have their

Summon Beast Legacy

Spells Tasha’s Cauldron of Everything

environment: Air, Land, or Water. The creature resembles an animal of your choice that is native to the chosen environment, which determines certain traits in its stat block. The creature disappears when it

spell slot of 3rd level or higher, use the higher level wherever the spell’s level appears in the stat block. Bestial Spirit Small beast Armor Class 11 + the level of the spell (natural

Humanoid Mutate

Monsters Phandelver and Below: The Shattered Obelisk

as smooth as a salamander’s. Some intelligent Humanoid mutates retain their personalities from before they were exposed to the Far Realm. Some, driven by the allure of otherworldly powers, seek

this transformation to become malevolent prophets and harbingers. Others find magical ways to return to their previous forms. Mutates A creature exposed to the strange energy of the Far Realm

Vargouille Legacy

Monsters Volo's Guide to Monsters

kisses one incapacitated humanoid within 5 feet of it. The target must succeed on a DC 12 Charisma saving throw or become cursed. The cursed target loses 1 point of Charisma after each hour, as its head

undoes the changes made to the target by the curse. Stunning Shriek. The vargouille shrieks. Each humanoid and beast within 30 feet of the vargouille and able to hear it must succeed on a DC 12 Wisdom

Gold Canary Figurine of Wondrous Power

Magic Items Fizban's Treasury of Dragons

60 feet of you, the figurine becomes a living creature in one of two forms (you choose). If there isn’t enough space for the creature where it would appear, the figurine doesn’t become a

creature. The two forms are as follows: Giant Canary Form. The figurine becomes a giant canary for up to 8 hours and can be ridden as a mount. Once the figurine has become a giant canary, it can

Simulacrum Legacy

Spells Basic Rules (2014)

You shape an illusory duplicate of one beast or humanoid that is within range for the entire casting time of the spell. The duplicate is a creature, partially real and formed from ice or snow, and it

, moving and acting in accordance with your wishes and acting on your turn in combat. The simulacrum lacks the ability to learn or become more powerful, so it never increases its level or other

Duergar Kavalrachni Legacy

Monsters Out of the Abyss

Cavalry Training. When the duergar hits a target with a melee attack while mounted on a female steeder, the steeder can make a melee attack against the same target as a reaction. Duergar Resilience

), and makes Strength checks and Strength saving throws with advantage. If the duergar lacks the room to become Large, it attains the maximum size possible in the space available. War Pick. Melee

Narrak

Monsters Out of the Abyss

. One with Shadows. While he is in dim light or darkness, Narrak can become invisible. He remains so until he moves or takes an action or reaction.

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