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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

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

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

Mudslick Tower

Magic Items Phandelver and Below: The Shattered Obelisk

You can use an action to place this 1-inch-diameter granite sphere on the ground and speak its command word, which is “petrification” in Terran. The sphere rapidly grows into a stout

tower that remains until you use an action to touch the tower and speak the command word again, whereupon the tower shrinks back to a 1-inch-diameter granite sphere. The tower must be empty to shrink in

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

Halaster Blackcloak

Monsters Waterdeep: Dungeon of the Mad Mage

casting elder runes on them. Halaster’s gates connect the different levels of Undermountain, thus enabling him to bring new monsters into the dungeon to replenish those that die or escape. Even as

ghostly, 1-foot-diameter humanoid eye surrounded by motes of light. The sensor is stationary, though Halaster can reorient the eye to face in any direction. Halaster can see through the eye as though he

Ancient Amethyst Dragon

Monsters Fizban's Treasury of Dragons

connections with other creatures. When they do connect with others, it is most often for intellectual and philosophical pursuits or to fulfill some arcane purpose involving the dragons’ echoes across

split open to show their contents and clusters of crystal points more than a foot in diameter that extend six to ten feet from the interior stone surfaces of the lair. These crystals resonate with the

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

Adult Amethyst Dragon

Monsters Fizban's Treasury of Dragons

and rarely cultivating connections with other creatures. When they do connect with others, it is most often for intellectual and philosophical pursuits or to fulfill some arcane purpose involving the

than a foot in diameter that extend six to ten feet from the interior stone surfaces of the lair. These crystals resonate with the dragon’s presence, and glow with a soft inner light. The older

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

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

, 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

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

. 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

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

, this creature can move up to 20 feet through spaces no more than an inch in diameter. It must end this movement in a space that can accommodate its full size. Otherwise, it takes 5 force damage and

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

Infiltrating the Fortress

Compendium - Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus

. The corridor is not guarded while the flying fortress is moored at the Stygian Dock. Signal Vents Tiny hatches in the hull connect to 1-foot-diameter chutes that ascend to the vessel’s command deck

deck. Soul Intake Pipe Souls from the River Styx are drawn up into the flying fortress through a grilled vent at the bottom end of the fortress. This vent leads to a 5-foot-diameter, iron pipe that

Dampened Magic Zone

Compendium - Sources->Dungeons & Dragons->Netheril’s Fall: Tales of Terror, Treasure, and Time Travel

as at twilight or after magical weather. In a dampened magic zone, which is typically no more than 300 feet in diameter, magical effects sputter feebly or appear ephemeral. When a creature in the area

casts a spell with a duration of 1 minute or longer, the spell’s duration is halved. Spell attack rolls in the area are made with Disadvantage, and creatures have Advantage on saving throws against spells and other magical effects.

Empowered Force Zone

Compendium - Sources->Dungeons & Dragons->Netheril’s Fall: Tales of Terror, Treasure, and Time Travel

magic has been frequently refined, known as empowered force zones, amplify raw magical energy and are typically no more than 300 feet in diameter. When a creature in an empowered force zone rolls damage for a spell or attack that deals Force damage, it treats any 1 or 2 on a damage die as a 3.

Mudslick Tower

Compendium - Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk

Mudslick Tower Wondrous Item, Very Rare You can use an action to place this 1-inch-diameter granite sphere on the ground and speak its command word, which is “petrification” in Terran. The sphere

rapidly grows into a stout tower that remains until you use an action to touch the tower and speak the command word again, whereupon the tower shrinks back to a 1-inch-diameter granite sphere. The tower

Staff of the Woodlands

Compendium - Sources->Dungeons & Dragons->D&D Beyond Basic Rules

Staff of the Woodlands Staff, Rare (Requires Attunement by a Druid) 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. Spells. While holding the staff, you can cast one of the spells on the following table from it, using your spell save DC. The table

Kobold Legacy

Species Volo's Guide to Monsters

creatures wouldn’t feel safe. Kobolds take advantage of their size by creating small-diameter tunnels that they can easily pass through, but that require larger creatures to hunch over or even

crawl to make progress. In places where a tunnel opens into a chasm and continues on the other side, the kobolds might connect the two passages with a rope bridge or some other rickety structure

Staff of the Woodlands

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide

Staff of the Woodlands Staff, Rare (Requires Attunement by a Druid) 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. Spells. While holding the staff, you can cast one of the spells on the following table from it, using your spell save DC. The table

Staff of the Woodlands

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)

Staff of the Woodlands Staff, rare (requires attunement by a druid) 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 charges for the following properties. It regains 1d6 + 4 expended charges daily at dawn. If you expend the last charge, roll a d20. On

Staff of the Woodlands

Compendium - Sources->Dungeons & Dragons->Basic Rules (2014)

Staff of the Woodlands Staff, rare (requires attunement by a druid) 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 charges for the following properties. It regains 1d6 + 4 expended charges daily at dawn. If you expend the last charge, roll a d20. On a 1

Amethyst Dragon Lairs

Compendium - Sources->Dungeons & Dragons->Fizban's Treasury of Dragons

clusters of amethyst crystals, including massive cathedral geodes split open to show their contents and clusters of crystal points more than a foot in diameter that extend six to ten feet from the

and slightly damp. Glowing Crystals. Large clusters of glowing amethyst crystals grow out from the walls and ceiling, casting dim light in a 30-foot radius. Chimneys. Two chimneys connect the main

Yeenoghu's Lair

Compendium - Sources->Dungeons & Dragons->Out of the Abyss

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 must make a DC 24 Dexterity saving throw. On a failed save, the

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 magic, creating one or more

6. Hallway

Compendium - Sources->Dungeons & Dragons->Tyranny of Dragons

floor in area 4 slides back and a 7-foot-diameter sphere made of hundreds of skeletal bodies rises magically from the floor. This bone boulder tilts toward area 6 and rolls down the sloping hallway

before crashing against the wall in area 7. As it rolls through, the bone boulder crushes and slashes at any creature in area 6, dealing 18 (4d8) bludgeoning damage and 18 (4d8) slashing damage, or half

Yeenoghu's Lair

Compendium - Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes

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 must make a DC 24 Dexterity saving throw. On a failed save, the

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 magic, creating one or more

6. Hallway

Compendium - Sources->Dungeons & Dragons->Rise of Tiamat

in area 4 slides back and a 7-foot-diameter sphere made of hundreds of skeletal bodies rises magically from the floor. This bone boulder tilts toward area 6 and rolls down the sloping hallway before

crashing against the wall in area 7. As it rolls through, the bone boulder crushes and slashes at any creature in area 6, dealing 18 (4d8) bludgeoning damage and 18 (4d8) slashing damage, or half as

72. Trial of the Triangle

Compendium - Sources->Dungeons & Dragons->Tomb of Annihilation

on the floor. To reach the lever, the characters must figure out a way to enter or bypass the cylinder. If the lever is pulled, the triangle seal on the skeleton gate in area 71 rolls aside

, revealing a triangular keyhole behind it. The cylinder is 5 feet in diameter, shaped of glass 2 inches thick. The triangular hole in the glass is 1 inch wide. The cylinder is normally impervious to damage and

Faerzress

Compendium - Sources->Dungeons & Dragons->Out of the Abyss

. Areas suffused with faerzress can range in size from a few dozen feet across to several miles in diameter, and feature the following effects: Areas suffused with faerzress are always filled with dim light

faerzress have become tainted by the chaos of the demon lords. When a spell is cast in a faerzress-suffused area, the caster rolls a d20. On a roll of 1, the spell has an additional effect, determined by

Kobold

Compendium - Sources->Dungeons & Dragons->Monster Manual (2014)

might connect to a spring-loaded trap that hurls clay pots of flesh-eating green slime or flings crates of venomous giant centipedes at intruders. The Lost God. In addition to the dragons they revere

darkvision 60 ft., passive Perception 8 Languages Common, Draconic Challenge 1/8 (25 XP) Sunlight Sensitivity. While in sunlight, the kobold has disadvantage on attack rolls, as well as on Wisdom

22. Garrux's Brewery

Compendium - Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage

of each dwarf protrudes from the wall. Three of these hands grasp copper tankards. The stone pillar has copper pipes running through it. These pipes connect to the vats in area 22c. When the brewery

stone cylinder 10 feet high and 10 feet in diameter, with 6-inch-thick walls. A copper spigot is embedded in the vats on the side facing the nearest wall, at a height of 3 feet. A narrow stone staircase

Expert Tunnelers

Compendium - Sources->Dungeons & Dragons->Volo's Guide to Monsters

advantage of their size by creating small-diameter tunnels that they can easily pass through, but that require larger creatures to hunch over or even crawl to make progress. In places where a tunnel

opens into a chasm and continues on the other side, the kobolds might connect the two passages with a rope bridge or some other rickety structure, designed to collapse under the weight of any creature

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