both being diameter count rolls

Bowl of Commanding Water Elementals

Magic Items Dungeon Master’s Guide

possible, understands your languages, obeys your commands, and takes its turn immediately after you on your Initiative count. The elemental disappears after 1 hour, when it dies, or when you dismiss it

as a Bonus Action. The bowl can’t be used this way again until the next dawn. The bowl is about 1 foot in diameter and half as deep. It holds about 3 gallons.

Umber Hulk

Monsters Monster Manual

Tunneler. The umber hulk can burrow through solid rock at half its Burrow Speed and leaves a 10-foot-diameter tunnel in its wake.Multiattack. The umber hulk makes three Rend attacks. Rend. Melee

. Failure: The target can’t take Reactions until the start of the umber hulk’s next turn, and the target rolls 1d8;{"diceNotation":"1d8", "rollType":"roll", "rollAction":"Confusing Gaze"} to

Staff of the Woodlands

Magic Items Dungeon Master’s Guide

This staff has 6 charges and can be wielded as a magic Quarterstaff that grants a +2 bonus to attack rolls and damage rolls made with it. While holding it, you have a +2 bonus to spell attack rolls

is 60 feet tall and has a 5-foot-diameter trunk, and its branches at the top spread out in a 20-foot radius. The tree appears ordinary but radiates a faint aura of Transmutation magic that can be

Axe of the Dwarvish Lords

Magic Items Dungeon Master’s Guide

. The Axe of the Dwarvish Lords is a magic weapon that grants a +3 bonus to attack rolls and damage rolls made with it. When you attack a creature with the axe and roll a 20 on the d20 for the attack

immediately after you on your Initiative count. The elemental disappears after 24 hours, when it dies, or when you dismiss it as a Bonus Action. You can’t use this property again until the next

Symbol

Spells Player’s Handbook

feet in diameter. If you choose an object, it must remain in place; if it is moved more than 10 feet from where you cast this spell, the glyph is broken, and the spell ends without being triggered

Disadvantage on attack rolls and ability checks. Fear. Each target must succeed on a Wisdom saving throw or have the Frightened condition for 1 minute. While Frightened, the target must move at least 30

Aurumvorax Den Leader

Monsters Journeys through the Radiant Citadel

Pack Leader. The aurumvorax’s allies have advantage on attack rolls while within 10 feet of the aurumvorax, provided it isn’t incapacitated. Tunneler. The aurumvorax can burrow through

solid rock and metal at half its burrowing speed and leaves a 5-foot-diameter tunnel in its wake.Multiattack. The aurumvorax makes one Bite attack and two Claw attacks. Bite. Melee Weapon

Demilich Legacy

Monsters Monster Manual (2014)

. A demilich in its lair has a challenge rating of 20 (24,500 XP). Lair Actions On initiative count 20 (losing initiative ties), the demilich rolls a d20;{"diceNotation":"1d20","rollType":"roll

15 Wisdom saving throw or be magically cursed. Until the curse ends, the target has disadvantage on attack rolls and saving throws. The target can repeat the saving throw at the end of each of its

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

one. Weakening Breath. The dragon exhales gas in a 90-foot cone. Each creature in that area must succeed on a DC 24 Strength saving throw or have disadvantage on Strength-based attack rolls, Strength

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

. Weakening Breath. The dragon exhales gas in a 60-foot cone. Each creature in that area must succeed on a DC 21 Strength saving throw or have disadvantage on Strength-based attack rolls, Strength checks

Ancient Time Dragon

Monsters Planescape: Adventures in the Multiverse

damage and is magically weakened as it is desynchronized from the time stream. While the creature is in this state, attack rolls against it have advantage, it has the poisoned condition, and other

the effect on itself after it succeeds on three of these saves. Time Gate (1/Day). The dragon conjures a 20-foot-diameter, circular portal in the space between its horns or in an unoccupied space it

Young Red Shadow Dragon Legacy

Monsters Monster Manual (2014)

the Hide action as a bonus action. Sunlight Sensitivity. While in sunlight, the dragon has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.Multiattack. The

shadow rises from its corpse and acts immediately after the dragon in the initiative count. The shadow is under the dragon’s control.FireNecrotic

Yeenoghu Legacy

Monsters Out of the Abyss

of civilization on his layer of the Abyss. Lair Actions On initiative count 20 (losing initiative ties), Yeenoghu can take a lair action to cause one of the following effects; he can’t use the

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

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

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. Iron Spike

initiative count 20 (losing initiative ties), Yeenoghu can take one of the following lair actions; he can’t take the same lair action two rounds in a row: Incite the Pack. Until the next initiative

Staff of the Woodlands Legacy

Magic Items Basic Rules (2014)

This staff can be wielded as a magic quarterstaff that grants a +2 bonus to attack and damage rolls made with it. While holding it, you have a +2 bonus to spell attack rolls. The staff has 10

tree. The tree is 60 feet tall and has a 5-foot-diameter trunk, and its branches at the top spread out in a 20-foot radius. The tree appears ordinary but radiates a faint aura of transmutation magic

Demilich (Variant) Legacy

Monsters Monster Manual (2014)

lair has a challenge rating of 23 (50,000 XP). Lair Actions On initiative count 20 (losing initiative ties), the demilich rolls a d20;{"diceNotation":"1d20","rollType":"roll","rollAction":"Take Lair

throw or be magically cursed. Until the curse ends, the target has disadvantage on attack rolls and saving throws. The target can repeat the saving throw at the end of each of its turns, ending the

Elder Tempest

Monsters Mordenkainen Presents: Monsters of the Multiverse

tempest is always at the center of a storm 1d6 + 4;{"diceNotation":"1d6+4","rollType":"roll","rollAction":"Living Storm"} miles in diameter. Heavy precipitation in the form of either rain or snow

in the area covered by the storm. The winds impose disadvantage on ranged attack rolls. The winds extinguish open flames and disperse fog. Siege Monster. The tempest deals double damage to objects

Lich Legacy

Monsters Basic Rules (2014)

, emerging to destroy those who dare to disturb 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 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

Juiblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

weapon the target is carrying or wearing takes a permanent −1 penalty to damage rolls. The penalty worsens each time a target is subjected to this effect. If the penalty on an object drops to

ooze at Juiblex’s command. Juiblex’s challenge rating is 24 (62,000 XP) when encountered in its lair. Lair Actions On initiative count 20 (losing initiative ties), Juiblex can take one

Adult Time Dragon

Monsters Planescape: Adventures in the Multiverse

", "rollDamageType":"force"} force damage and is magically weakened as it is desynchronized from the time stream. While the creature is in this state, attack rolls against it have advantage, and it has the

dragon;ancient or adult time dragon increases by 1 when it’s encountered in its lair. Lair Actions On initiative count 20 (losing initiative ties), the dragon can take one of the following

Baphomet Legacy

Monsters Out of the Abyss

effects. Magic Weapons. Baphomet’s weapon attacks are magical. Reckless. At the start of his turn, Baphomet can gain advantage on all melee weapon attack rolls during that turn, but attack rolls

, 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

Elder Tempest Legacy

Monsters Mordenkainen’s Tome of Foes

storm 1d6 + 4;{"diceNotation":"1d6+4","rollType":"roll","rollAction":"Living Storm"} miles in diameter. Heavy precipitation in the form of either rain or snow falls there, causing the area to be lightly

winds impose disadvantage on ranged attack rolls. The winds extinguish open flames and disperse fog. Siege Monster. The tempest deals double damage to objects and structures.Multiattack. The tempest

Umbraxakar

Monsters Waterdeep: Dungeon of the Mad Mage

Sensitivity. While in sunlight, the dragon has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.Multiattack. The dragon can use its Frightful Presence. It then

successful one. A humanoid reduced to 0 hit points by this damage dies, and an undead shadow rises from its corpse and acts immediately after Umbraxakar in the initiative count. The shadow is under

Murgaxor

Monsters Strixhaven: A Curriculum of Chaos

a blot on the university’s reputation. Murgaxor's Lair Actions. On initiative count 20 (losing initiative ties), Murgaxor can take one of the following lair actions; after he does so, he can't

, takes its turns on initiative count 10 (losing initiative ties), fights until destroyed, and reverts to a mound of inanimate clay after 1 hour. Earthen Fist. A medium fist of packed earth rises

Arcturia

Monsters Waterdeep: Dungeon of the Mad Mage

recesses, emerging to destroy those who dare to disturb 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 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

Drow Mother of Rebellion

Monsters Mordenkainen Presents: Monsters of the Multiverse

. While in sunlight, the drow has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.Multiattack. The drow makes two Demon Staff attacks or one Demon Staff attack

lair actions while within it. Lair Actions On initiative count 20 (losing initiative ties), the drow can take one of the following lair actions when in her lair; she can’t take the same lair

Veiled Presence

Monsters The Book of Many Things

Actions). The veiled presence magically emanates dazzling light in a 10-foot-radius sphere centered on itself until the end of its next turn, during which time attack rolls against it have disadvantage

and it has advantage on attack rolls. The sphere moves with the veiled presence. When another creature starts its turn in the light or enters the light for the first time on its turn, that creature must

Otherworldly Corrupter

Monsters The Book of Many Things

transformation lasts until the end of the corrupter’s next turn. While transformed, the corrupter has advantage on attack rolls, attack rolls made against it have disadvantage, and it can move through

kill intruders. The villain’s challenge rating increases while the villain is in this lair: Otherworldly Corrupter. Challenge 18 (20,000 XP) Lair Actions On initiative count 20 (losing

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

; Exethanter can’t use the same effect two rounds in a row: Exethanter rolls a d8;{"diceNotation":"1d8","rollType":"roll","rollAction":"Spell Slot Level"} and regains a spell slot of that level or

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

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 slot of that level or lower. If it has no spent spell

Initiative Legacy

Rules

Initiative determines the order of turns during combat. When combat starts, every participant rolls Initiative; they make a Dexterity check that determines their place in the Initiative order. The DM

rolls for monsters.Surprise. If a combatant is surprised by combat starting, that combatant has Disadvantage on their Initiative roll. For example, if an ambusher starts combat while hidden from a

Nightmare Shepherd

Monsters Mythic Odysseys of Theros

Aura of Nightmares. Undead creatures within 30 feet of the shepherd gain a +5 bonus to attack and damage rolls. When any other creature that isn’t undead or a construct starts its turn within

Sunlight Weakness; see the Monster Manual) arise in unoccupied spaces within 20 feet of the shepherd. The shadows act right after the shepherd on the same initiative count and fight until they’re

Frost Giant Ice Shaper

Monsters Bigby Presents: Glory of the Giants

Monstrosities). The wolves appear in unoccupied spaces the giant can see within 30 feet of itself. The wolves take their turn immediately after the giant on the same initiative count, and they obey the

giant’s commands. The wolves gain a +6 bonus to their attack and damage rolls while they are within 30 feet of the giant. The wolves disappear after 1 minute, when the giant dies, or when the

Yan-C-Bin

Monsters Princes of the Apocalypse

Caves, described in chapter 5), Yan-C-Bin is master. He can use the following actions in his lair. Lair Actions On initiative count 20 (losing initiative ties), Yan-C-Bin takes a lair action to cause

lasts until initiative count 20 on the next round. The debris lightly obscures every creature and object in the area for the duration. All creatures in the area must succeed at a DC 24 Wisdom saving throw

Symbol Legacy

Spells Basic Rules (2014)

, a scroll, or a treasure chest). If you choose a surface, the glyph can cover an area of the surface no larger than 10 feet in diameter. If you choose an object, that object must remain in its place

communication and has disadvantage on attack rolls and ability checks. Fear. Each target must make a Wisdom saving throw and becomes frightened for 1 minute on a failed save. While frightened, the

Imix

Monsters Princes of the Apocalypse

(such as the Weeping Colossus in chapter 5). On initiative count 20 (losing initiative ties), Imix uses his lair action to cause one of the following effects: Any fires in the lair flare up

initiative count 20 of the next round. Creatures and objects within or beyond the smoke are heavily obscured. A creature that enters the cloud of embers for the first time on a turn or starts its turn

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