both boulders diffusing chasing reduced

Hill Giant Avalancher

Monsters Bigby Presents: Glory of the Giants

it turns to dust if reduced to 0 hit points or when the giant dies. If the rune is destroyed, the giant can inscribe a hill rune on an object in its possession when it finishes a short or long rest

, combined with their ability to defeat and devour their prey as quickly as a torrent of boulders cascades down a mountain, leads other giants to call them avalanchers.

Y3. Druids' Circle

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

Y3. Druids’ Circle Atop the hill is a wide ring of black boulders and smaller rocks that collectively form a makeshift wall enclosing a field of dead grass. Lightning strikes the edge of the ring

from time to time, illuminating a ghastly, fifty-foot-tall statue made of tightly woven twigs and packed with black earth. The statue resembles a towering, cloaked man with fangs. The ring of boulders

Death's Head Phalanx

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

denizens are purged and the trees are reduced to ashen spines. Since arriving in Arcturiadoom, however, Doomcrown has developed strange habits. He spends more and more time locked away in his quarters

, chasing some strange new obsession. His followers remain loyal, but they worry about the mental state of their warlord. Hobgoblin Patrols Hobgoblins of Doomcrown’s phalanx have secured most of the

The Dawn Mother

Compendium - Sources->Dungeons & Dragons->Journeys through the Radiant Citadel

tree roots and vines stomps after the mantis-folk. Amid her roaring, she occasionally plucks a sizable seed pod from her garb and chucks it after her quarry. The hostile storm giant chasing the thri

, she has attacked Cht-Chak’s innocent band. If attacked, the Dawn Mother turns her rage on whoever harmed her. Her rage continues until she is reduced 50 hit points or fewer, after which she comes to

Lower Level Locations

Compendium - Sources->Dungeons & Dragons->Dragon Delves

drawer (see “Treasure” below). He fights as a last resort and surrenders if reduced to 20 Hit Points or fewer and unable to flee. Veen. Veen is an Oni that has cast Invisibility on herself. Veen

prefers to swim around them. They are Difficult Terrain for him to swim through. M33: Blocked and Submerged Tunnel This 10-foot-diameter tunnel is completely submerged and blocked by heavy boulders. As

4. Fungi Thicket

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

through it, or by eating pygmywort mushrooms first to move through without disturbing the other fungi present. If the characters are chasing Droki, he uses the thicket to his advantage, eating a

pygmywort to sneak his way across. At reduced size, he leaves no trail that normal-sized pursuers can follow. Tiny creatures can move through the thicket at no penalty. For Small and Medium creatures, the

Adult Emerald Dragon

Monsters Fizban's Treasury of Dragons

, usually when no one is watching. Often the rocks obstruct the approach to the emerald dragon’s lair, with boulders moving to block narrow defiles, way-markers tumbling off the path, or smaller stones

Shape. The dragon magically transforms into any creature that is Medium or Small, while retaining its game statistics (other than its size). This transformation ends if the dragon is reduced to 0 hit

Ancient Emerald Dragon

Monsters Fizban's Treasury of Dragons

dragon’s lair sometimes move of their own accord, usually when no one is watching. Often the rocks obstruct the approach to the emerald dragon’s lair, with boulders moving to block narrow

transformation ends if the dragon is reduced to 0 hit points or uses a bonus action to end it. Psychic Step. The dragon magically teleports to an unoccupied space it can see within 60 feet of it.

Hill Giant Avalancher

Compendium - Sources->Dungeons & Dragons->Bigby Presents: Glory of the Giants

with their ability to defeat and devour their prey as quickly as a torrent of boulders cascades down a mountain, leads other giants to call them avalanchers. Hill Giant Avalancher Huge Giant (Druid

object bearing the rune has AC 15; 20 hit points; and immunity to necrotic, poison, and psychic damage. The object regains all its hit points at the end of every turn, but it turns to dust if reduced to

Attack on Triboar

Compendium - Sources->Dungeons & Dragons->Storm King's Thunder

the Fire Giants”), destroying anything that gets in their way. As they approach the center of Triboar, they hurl boulders into the town to strike fear into the hearts of the townsfolk, hoping to

initial volley of boulders. Their job is to distract the town’s defenders and engage enemy archers in melee combat. The axe beaks act on the orcs’ initiative count. Rules for mounted combat can be found

Geode Locations

Compendium - Sources->Dungeons & Dragons->Princes of the Apocalypse

it can. It closes its eye and retracts it tendrils when reduced to 20 hit points, hoping the characters leave it alone. Treasure Scattered amid the broken weapons and armor are 65 gp, a brass

, their rib cages shattered by boulders lying atop them. Only one skeleton remains whole, and it clutches to its chest an open-faced steel helmet decorated with a golden circlet above the brow, from which

Mbala

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

Mbala A 1,800-foot-high plateau with sheer cliffs rises above heaps of boulders as large as ships. A narrow path is cut into the cliff face and seems to climb all the way to the top. The plateau’s

the plateau. Through many switchbacks, it winds across the cliff face for 3 miles before reaching the top. The path width varies but averages 5 feet. Tumbled boulders and tangled roots block the path

Talhundereth Locations

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

descends deeper underground. Several landings on the staircase hold statues, and some bear doorways. The stairs end abruptly at a wall of tumbled boulders from some long-ago collapse. Two galeb duhr

, Fremine and Frowode, lurk near the collapse, disguised as boulders. They are guards for the medusa in area T3. If anyone approaches the door to area T3, one of them stands and commands the intruders

Monsters F - M

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

prone. Actions Slam. Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 5) bludgeoning damage. Animate Boulders (1/Day). The galeb duhr magically animates up to two boulders it

reduced to 0 until the start of its next turn. Gibbering. The mouther babbles incoherently while it can see any creature and isn’t incapacitated. Each creature that starts its turn within 20 feet of

Random Encounters

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

line in search of food. The baboons can be placated by tossing each of them a day’s supply of food. Otherwise, they attack, fleeing once their numbers are reduced by half. Blood Hawks These bright red

encounter occurs during the day, the characters are ambushed by 2d4 geonids (see “Geonid”) disguised as small boulders. They demand at least 25 gp worth of treasure for safe passage throughout their

Greater Caverns Locations

Compendium - Sources->Dungeons & Dragons->Quests from the Infinite Staircase

to the ceiling down to the floor. Tracks have worn smooth paths from ledge to ledge across the curving floor. The thunderous griding of stone echoes throughout the cave, as three boulders roll along

the tracks at dangerous speeds. Other large rocks, worn nearly spherical, sit motionless throughout the gallery. The rolling boulders are three galeb duhr, created and bound by Iggwilv to defend

Random Encounters in Yon

Compendium - Sources->Dungeons & Dragons->The Wild Beyond the Witchlight

ground beneath them. This Elemental can’t speak and is a manifestation of the Feywild’s anger toward the characters. It attacks the party and fights until destroyed. There are plenty of boulders in the

area that the galeb duhr can animate using its Animate Boulders action. Mudlump the cyclops searches for his missing queen bee Cyclops Beekeeper A cyclops beekeeper named Mudlump stumbles upon the

Lesser Caverns Locations

Compendium - Sources->Dungeons & Dragons->Quests from the Infinite Staircase

attacks any creatures that enter the chamber. The golem fights to the death and pursues trespassers relentlessly, even chasing them out of the caverns. Treasure. The weapon stuck in the clay golem is a

by. The two creatures work together to burn, petrify, and trample intruders. If Chossos is reduced to 50 hit points or fewer, the chimera feigns surrender and vows to give the characters his treasure

Lyn Armaal, Level 1

Compendium - Sources->Dungeons & Dragons->Storm King's Thunder

giants chasing silver dragons while riding rocs and golden sky-chariots drawn by griffons. Marble bleachers hug the walls near the entrance, across from which stands an ornate alabaster throne inlaid

Shape ability, and he can’t use his Frightful Presence ability while chained up. While he is muzzled, Felgolos can speak with some difficulty, but the range of his breath weapons is reduced to 5 feet

Lesser Cavern Locations

Compendium - Sources->Dungeons & Dragons->Descent into the Lost Caverns of Tsojcanth

relentlessly, even chasing them out of the caverns. Treasure. The weapon stuck in the clay golem is a slender-bladed Giant Slayer (shortsword). The sword’s name (“Longtooth”) is engraved into the

a Periapt of Proof against Poison left over from an unlucky explorer the behir digested. L16: Boulder Heap Small, rounded boulders are carefully stacked here, blocking the entrance to a wide tunnel

Locations R - U

Compendium - Sources->Dungeons & Dragons->Storm King's Thunder

than boulders peeking up above the waves. The Red Rocks have sunk countless ships over the centuries, so sailors tend to give the area a wide berth. Fishers in small vessels frequent these waters

points, a damage threshold of 10, and immunity to psychic damage. Attacking or destroying it has no effect on a ghost that has already manifested. Even if the tree is reduced to 0 hit points, it grows

Maze of Mists

Compendium - Sources->Dungeons & Dragons->Quests from the Infinite Staircase

Maze of Mists Encounters d4 Encounter 1 Four phase spiders 2 Two invisible stalkers 3 Eight ghouls 4 Two minotaurs chasing a scared human bandit who belongs to the Hands of Plenty (see area P16

(losing initiative ties), and the damage on subsequent rounds is reduced by 1d10. When the number of damage dice reaches 0, the blade stops. Secret Door. A secret door atop this room’s 30-foot-high

The Fissure

Compendium - Sources->Dungeons & Dragons->Acquisitions Incorporated

before it starts biting. If reduced to 10 hit points or fewer, the spider retreats into a nearby narrow fissure. However, it attacks again when the characters come back through this area. Treasure. If the

it. A small, brass-colored dragon thrashes madly at the far end of the cavern, trapped beneath two large boulders that block a northern tunnel. Two dark creatures resembling flying squids dart just out

Locations E - H

Compendium - Sources->Dungeons & Dragons->Storm King's Thunder

present to defend the town, the frost giant raiders force hundreds of townsfolk to take refuge in the mines. The giants pile boulders in front of the mine entrances to trap the townsfolk inside, then loot

the town. Townsfolk who fled into the tundra rather than hide in the mines return 2d6 hours later to find their homes reduced to rubble and their supplies gone. The giants pay no mind to Dasharra’s

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