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Returning 35 results for 'effects rock'.
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Monsters
Monster Manual
Tunneler. The worm can burrow through solid rock at half its Burrow Speed and leaves a 10-foot-diameter tunnel in its wake.Multiattack. The worm makes one Bite attack and one Tail Stinger attack
condition ends. A swallowed creature has the Blinded and Restrained conditions, has Total Cover against attacks and other effects outside the worm, and takes 17 (5d6);{"diceNotation":"5d6", "rollType
Spells
Elemental Evil Player's Companion
You choose an area of stone or mud that you can see that fits within a 40-foot cube and is within range, and choose one of the following effects.
Transmute Rock to Mud. Nonmagical rock of any
takes 4d8 bludgeoning damage on a failed save, or half as much damage on a successful one.
Transmute Mud to Rock. Nonmagical mud or quicksand in the area no more than 10 feet deep transforms into
Monsters
Bigby Presents: Glory of the Giants
saving throws against spells and other magical effects.
Siege Monster. The cradle deals double damage to objects and structures.Multiattack. The cradle makes two Slam or Spit Rock attacks.
Slam
", "rollAction":"Slam", "rollDamageType":"bludgeoning"} bludgeoning damage.
Spit Rock. Ranged Weapon Attack: +15;{"diceNotation":"1d20+15", "rollType":"to hit", "rollAction":"Spit Rock"} to hit, range 120 ft
Monsters
Bigby Presents: Glory of the Giants
Legendary Resistance (6/Day). If the scion fails a saving throw, it can choose to succeed instead.
Magic Resistance. The scion has advantage on saving throws against spells and other magical effects
being embedded in hardening rock. A creature can make a DC 25 Strength (Athletics) check as an action, freeing itself or a creature within reach from the rock on a success. The rock has AC 17 and 40 hit
Monsters
Bigby Presents: Glory of the Giants
advantage on saving throws against spells and other magical effects.
Siege Monster. The cradle deals double damage to objects and structures.Multiattack. The cradle makes three Slam or Spit Rock attacks
+ 7);{"diceNotation":"4d12+7", "rollType":"damage", "rollAction":"Slam", "rollDamageType":"bludgeoning"} bludgeoning damage.
Spit Rock. Ranged Weapon Attack: +14;{"diceNotation":"1d20+14", "rollType
Monsters
Guildmasters’ Guide to Ravnica
":"force"} force damage.
Siege Monster. The wurm deals double damage to objects and structures.
Tunneler. The wurm can burrow through solid rock at half its burrow speed and leaves a 10-foot-diameter
. A swallowed creature is blinded and restrained, has total cover against attacks and other effects outside the wurm, and takes 17 (5d6);{"diceNotation":"5d6","rollType":"damage","rollAction":"Bite
Monsters
Princes of the Apocalypse
choose to succeed instead.
Magic Resistance. Ogrémoch has advantage on saving throws against spells and other magical effects.
Siege Monster. Ogrémoch deals double damage to objects and
breaks off a chunk of his body and places it on the ground in an unoccupied space within 15 feet of him. The chunk of rock instantly transforms into a gargoyle and acts on the same initiative count
Purple Worm
Legacy
This doesn't reflect the latest rules and lore.
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Monsters
Basic Rules (2014)
Tunneler. The worm can burrow through solid rock at half its burrow speed and leaves a 10-foot-diameter tunnel in its wake.Multiattack. The worm makes two attacks: one with its bite and one with its
swallowed creature is blinded and restrained, it has total cover against attacks and other effects outside the worm, and it takes 21 (6d6);{"diceNotation":"6d6","rollType":"damage","rollAction":"Bite
Monsters
Princes of the Apocalypse
Tunneler. The worm can burrow through solid rock at half its burrow speed and leaves a 10-foot-diameter tunnel in its wake.Multiattack. The worm makes two attacks: one with its bite and one with its
swallowed creature is blinded and restrained, it has total cover against attacks and other effects outside the worm, and it takes 21 (6d6);{"diceNotation":"6d6","rollType":"damage","rollAction":"Bite
Monsters
Mordenkainen's Fiendish Folio Volume 1
Denizen of the Mist. During its turn, the fog giant ignores the effects of fog cloud spells cast by it or other allied fog giants.
Keen Smell. The giant has advantage on Wisdom (Perception) checks
damage.
Rock. Ranged Weapon Attack: +12;{"diceNotation":"1d20+12","rollType":"to hit","rollAction":"Rock"} to hit, range 60/240 ft., one target. Hit: 30 (4d10 + 8);{"diceNotation":"4d10+8","rollType
Monsters
Acquisitions Incorporated
of volcanic rock the creatures prize as roosts are common in such places, whose ambient warmth provides constant temperature regulation for the creature's eggs.
Regional Effects
The region containing
Magic Resistance. The ancient deep crow has advantage on saving throws against spells and other magical effects.
Shadow Stealth. While in dim light or darkness, the ancient deep crow can take the
Monsters
Planescape: Adventures in the Multiverse
Tunneler. The eyestalk can burrow through solid rock at half its burrow speed and leaves a 10-foot-diameter tunnel in its wake.Multiattack. The eyestalk uses Eradication Gaze, if available, and makes
eyestalk. A swallowed creature is blinded and restrained, it has total cover against attacks and other effects outside the eyestalk, and it takes 21 (6d6);{"diceNotation":"6d6","rollType":"damage
Monsters
Spelljammer: Adventures in Space
Legendary Resistance (2/Day). If the dragon fails a saving throw, it can choose to succeed instead.
Tunneler. The dragon can burrow through solid rock at half its burrowing speed and leaves a 15
(also known as moon dragons or phase dragons) are capricious, xenophobic creatures that make their lairs inside desolate moons by burrowing through the rock.
Before laying eggs, a female lunar dragon
Monsters
Spelljammer: Adventures in Space
Legendary Resistance (3/Day). If the dragon fails a saving throw, it can choose to succeed instead.
Tunneler. The dragon can burrow through solid rock at half its burrowing speed and leaves a 20
attacks.Lunar dragons (also known as moon dragons or phase dragons) are capricious, xenophobic creatures that make their lairs inside desolate moons by burrowing through the rock.
Before laying eggs, a
Monsters
Bigby Presents: Glory of the Giants
advantage on saving throws against spells and other magical effects.
Siege Monster. The cradle deals double damage to objects and structures.Multiattack. The cradle makes three Slam or Hurl Lava attacks
rage.
If intruders disturb its resting place, the fire scion’s cradle rises as a bipedal juggernaut of molten rock. Sometimes miners risk their lives to find rich veins of ore in a scion&rsquo
Monsters
Monstrous Compendium Vol. 2: Dragonlance Creatures
);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Generate Gadget"}. The mastermind quickly assembles a clockwork gadget, producing one of the following effects (the mastermind’s choice
appendages, or both.
Nevermind Gnomes
Mount Nevermind is a hollow, dormant volcano on the island of Sancrist in Krynn. Within the mountain, a vibrant community of rock gnome tinkerers and other inventors relentlessly study various scientific pursuits to create mechanical marvels.
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
be knocked prone, in addition to the normal damage for contact with molten rock.
A thick cloud of black smoke and burning embers fills a 40-foot-radius sphere within 120 feet of Imix, lasting until
Monsters
Spelljammer: Adventures in Space
A solar dragon customarily lairs in a star’s radiant core or nests in a gigantic, hollowed-out rock engulfed by the star’s blinding radiance. A star in which a solar dragon makes its lair
has the following effects on creatures:
Brilliant Light. A creature that is within 10 miles of the star or inside it is blinded by its intense light unless the creature has protective gear to shield
Monsters
Spelljammer: Adventures in Space
solar dragon customarily lairs in a star’s radiant core or nests in a gigantic, hollowed-out rock engulfed by the star’s blinding radiance. A star in which a solar dragon makes its lair
has the following effects on creatures:
Brilliant Light. A creature that is within 10 miles of the star or inside it is blinded by its intense light unless the creature has protective gear to shield
Monsters
Fizban's Treasury of Dragons
needing to make an ability check.
Tunneler. The dragon can burrow through solid rock at half its burrowing speed and can leave a 20-foot-diameter tunnel in its wake.Multiattack. The dragon makes one
themselves at odds with a sapphire dragon if they cross into the dragon’s territory. But sapphire dragons sometimes forge peaceful relationships with rock gnomes or deep gnomes, relying on these folk
Monsters
Fizban's Treasury of Dragons
Tunneler. The dragon can burrow through solid rock at half its burrowing speed and can leave a 10-foot-diameter tunnel in its wake.Bite. Melee Weapon Attack: +4;{"diceNotation":"1d20+4", "rollType
, the creature takes half as much damage with no additional effects.
Spellcasting (Psionics). The dragon casts one of the following spells, requiring no spell components and using Intelligence as the
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
fits within a 40-foot cube and is within range, and choose one of the following effects. Transmute Rock to Mud. Nonmagical rock of any sort in the area becomes an equal volume of thick, flowing mud
Transmute Rock 5th-level transmutation Casting Time: 1 action Range: 120 feet Components: V, S, M (clay and water) Duration: Until dispelled You choose an area of stone or mud that you can see that
Compendium
- Sources->Dungeons & Dragons->Xanathar's Guide to Everything
fits within a 40-foot cube and is within range, and choose one of the following effects. Transmute Rock to Mud. Nonmagical rock of any sort in the area becomes an equal volume of thick, flowing mud
Transmute Rock 5th-level transmutation Casting Time: 1 action Range: 120 feet Components: V, S, M (clay and water) Duration: Until dispelled You choose an area of stone or mud that you can see that
Monsters
Fizban's Treasury of Dragons
, one in the rock face just above one tarn and one below the surface of the other tarn. The dragon uses the underwater passage as a secret entrance and emergency exit.
Main Caves. The lair is a complex
which version of itself is moving or acting. If an effect or attack can target both of the dragon’s spaces at the same time, the dragon is affected only once.
Regional Effects
The region
Compendium
- Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Boo’s Astral Menagerie
A Solar Dragon’s Lair A solar dragon customarily lairs in a star’s radiant core or nests in a gigantic, hollowed-out rock engulfed by the star’s blinding radiance. A star in which a solar dragon
makes its lair has the following effects on creatures: Brilliant Light. A creature that is within 10 miles of the star or inside it is blinded by its intense light unless the creature has protective gear
Monsters
Fizban's Treasury of Dragons
Tunneler. The dragon can burrow through solid rock at half its burrowing speed and can leave a 10-foot-diameter tunnel in its wake.Multiattack. The dragon makes one Bite attack and two Claw attacks
;{"diceNotation":"1d6", "rollType":"roll", "rollAction":"Disorienting Breath"} and reduce the total by the number rolled. On a successful save, the creature takes half as much damage with no additional effects
Compendium
- Sources->Dungeons & Dragons->Netheril’s Fall: Tales of Terror, Treasure, and Time Travel
Time Gates’ Environments The existence of a time gate warps the surrounding area. The following effects persist within 1 mile of a time gate: Strange Weather. The atmosphere of another era mixes with
features. Geography is often warped, with strange rock or ice formations arising at angles that defy gravity. As a Study action, a character can examine the surroundings and make a DC 10 Intelligence
Monsters
Fizban's Treasury of Dragons
needing to make an ability check.
Tunneler. The dragon can burrow through solid rock at half its burrowing speed and can leave a 10-foot-diameter tunnel in its wake.Multiattack. The dragon makes one
they cross into the dragon’s territory. But sapphire dragons sometimes forge peaceful relationships with rock gnomes or deep gnomes, relying on these folk to help protect the territory
Monsters
Fizban's Treasury of Dragons
flowing down toward the lowlands. The lair has the following features:
Entrances. Two cave entrances provide access to the lair, one in the rock face just above one tarn and one below the surface of
can target both of the dragon’s spaces at the same time, the dragon is affected only once.
Regional Effects
The region surrounding a legendary amethyst dragon’s lair is altered by the
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
are set aside as guard barracks. The east building contains six bunk beds (twelve beds in all) and a dozen footlockers containing worthless personal effects. The west building was similarly furnished
, but a falling rock destroyed half the building’s contents. Characters searching the damaged gatehouse find the bodies of three human guards who died when the roof fell on them.
Compendium
- Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus
Forge Features Bel’s forge is carved out of volcanic rock and has soaring, 50-foot-high ceilings throughout. Other features of the forge are summarized below. Heat. Bel’s forge is unbearably hot
, with an ambient temperature of 130 to 150 degrees Fahrenheit. The extreme heat has detrimental effects on creatures not acclimated to such environments (see “Extreme Heat” in chapter 5 of the Dungeon
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
craters and rock jumbles as the effects of powerful earth-based magic. None of the Mirabar delegates are here, but almost all of their escorts were killed. The large cairn contains the bodies of five dead
on the ground, dressed in black surcoats bearing the emblem of a red axe. Most appear to have died from battle injuries, although some lie in small craters or jumbles of broken rock. Abandoned and
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
Ogrémoch The Prince of Evil Earth is Ogrémoch (pronounced oh-gray-mock), the Mountain that Walks. His natural form is a shambling, 50-foot-tall colossus of rock, with crystal growths embedded
advantage on saving throws against spells and other magical effects.
Siege Monster. Ogrémoch deals double damage to objects and structures with his melee and ranged weapon attacks.
Actions
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
Pandemonium Pandemonium is a plane of overwhelming chaos, a great mass of rock riddled with tunnels carved by howling winds. It is cold, noisy, and dark, with no natural light. Wind quickly
extinguishes nonmagical open flames such as torches and campfires. It also makes conversation possible only by yelling, and even then only to a maximum distance of 10 feet. See “Environmental Effects” in
Compendium
- Sources->Dungeons & Dragons->Bigby Presents: Glory of the Giants
20 Constitution saving throw or take 11 (2d10) cold damage.
Magic Resistance. The fury has advantage on saving throws against spells and other magical effects.
Actions
Multiattack. The fury
makes two Fist or Rock attacks.
Fist. Melee Weapon Attack: +13 to hit, reach 10 ft., one target. Hit: 17 (2d8 + 8) bludgeoning damage plus 10 (3d6) cold damage, or 17 (5d6) cold damage if the target