before being diameter cold rock

Ankheg

Monsters Monster Manual

Tunneler. The ankheg can burrow through solid rock at half its Burrow Speed and leaves a 10-foot-diameter tunnel in its wake.Bite. Melee Attack Roll: +5;{"diceNotation":"1d20+5", "rollType":"to

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

Purple Worm

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

Prismatic Wall

Spells Player’s Handbook

wall into a globe up to 30 feet in diameter centered on a point within range. The wall lasts for the duration. If you position the wall in a space occupied by a creature, the spell ends instantly

through this layer, which is destroyed if it takes at least 25 Cold damage. 2 Orange. Failed Save: 12d6 Acid damage. Successful Save: Half as much damage. Additional Effects: Magical ranged

Glyph of Warding

Spells Player’s Handbook

) to conceal the glyph. The glyph can cover an area no larger than 10 feet in diameter. If the surface or object is moved more than 10 feet from where you cast this spell, the glyph is broken, and the

glyph erupts with magical energy in a 20-foot-radius Sphere centered on the glyph. Each creature in the area makes a Dexterity saving throw. A creature takes 5d8 Acid, Cold, Fire, Lightning, or

Ankheg (Stranger Things)

Monsters Stranger Things: Welcome to the Hellfire Club

Tunneler. The ankheg can burrow through solid rock at half its Burrow Speed and leaves a 10-foot-diameter tunnel in its wake.Bite. Melee Attack Roll: +5 (with Advantage if the target is Grappled by

Orb of Damara

Magic Items Forgotten Realms: Adventures in Faerûn

away. The Orb of Damara is about 6 inches in diameter and is made of a glassy, iridescent material that's like obsidian but incredibly hard. If held to one's own lips with the intention of consuming

Cone. When you do, choose Acid, Cold, Fire, Lightning, or Poison. Each creature in the Cone makes a DC 18 Dexterity saving throw, taking 6d6;{"diceNotation":"6d6", "rollType":"roll", "rollAction

Young Lunar Dragon

Monsters Spelljammer: Adventures in Space

Tunneler. The dragon can burrow through solid rock at half its burrowing speed and leaves a 10-foot-diameter tunnel in its wake. Unusual Nature. The dragon doesn't require air.Multiattack. The

);{"diceNotation":"1d6+4","rollType":"damage","rollAction":"Bite","rollDamageType":"piercing"} piercing damage plus 3 (1d6);{"diceNotation":"1d6","rollType":"damage","rollAction":"Bite (cold)","rollDamageType

Lunar Dragon Wyrmling

Monsters Spelljammer: Adventures in Space

Tunneler. The dragon can burrow through solid rock at half its burrowing speed and leaves a 5-foot-diameter tunnel in its wake. Unusual Nature. The dragon doesn’t require air.Bite. Melee

","rollDamageType":"piercing"} piercing damage plus 3 (1d6);{"diceNotation":"1d6","rollType":"damage","rollAction":"Bite (cold)","rollDamageType":"cold"} cold damage. Cold Breath (Recharge 5–6);{"diceNotation

Young Kruthik Legacy

Monsters Mordenkainen’s Tome of Foes

allies is within 5 feet of the creature and the ally isn't incapacitated. Tunneler. The kruthik can burrow through solid rock at half its burrowing speed and leaves a 2½-foot-diameter tunnel in its

Fury of Kostchtchie

Monsters Bigby Presents: Glory of the Giants

":"Chilling Aura", "rollDamageType":"cold"} cold damage. Magic Resistance. The fury has advantage on saving throws against spells and other magical effects.Multiattack. The fury makes two Fist or Rock

":"damage", "rollAction":"Fist", "rollDamageType":"bludgeoning"} bludgeoning damage plus 10 (3d6);{"diceNotation":"3d6", "rollType":"damage", "rollAction":"Fist", "rollDamageType":"cold"} cold damage, or

Bore Worm

Monsters Waterdeep: Dungeon of the Mad Mage

Tunneler. The worm can burrow through solid rock at half its burrow speed and leaves a 10-foot-diameter tunnel in its wake. Regeneration. The worm regains 10 hit points at the start of each of its

Ice Devil Legacy

Monsters Basic Rules (2014)

","rollAction":"Bite","rollDamageType":"cold"} cold damage. Claws. Melee Weapon Attack: +10;{"diceNotation":"1d20+10","rollType":"to hit","rollAction":"Claws"} to hit, reach 5 ft., one target. Hit: 10 (2d4

","rollDamageType":"cold"} cold damage. Tail. Melee Weapon Attack: +10;{"diceNotation":"1d20+10","rollType":"to hit","rollAction":"Tail"} to hit, reach 10 ft., one target. Hit: 12 (2d6 + 5);{"diceNotation":"2d6

Ice Devil (Spear Variant) Legacy

Monsters Monster Manual (2014)

":"Ice Spear","rollDamageType":"cold"} cold damage. If the target is a creature, it must succeed on a DC 15 Constitution saving throw, or for 1 minute, its speed is reduced by 10 feet; it can take either

","rollAction":"Bite","rollDamageType":"piercing"} piercing damage plus 10 (3d6);{"diceNotation":"3d6","rollType":"damage","rollAction":"Bite","rollDamageType":"cold"} cold damage. Claws. Melee Weapon

Adult Lunar Dragon

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

-foot-diameter tunnel in its wake. Unusual Nature. The dragon doesn’t require air.Multiattack. The dragon makes one Bite attack and two Claw attacks. Bite. Melee Weapon Attack: +11;{"diceNotation

Ancient 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

-foot-diameter tunnel in its wake. Unusual Nature. The dragon doesn’t require air.Multiattack. The dragon makes one Bite attack and two Claw attacks. Bite. Melee Weapon Attack: +14;{"diceNotation

Adult Kruthik Legacy

Monsters Mordenkainen’s Tome of Foes

allies is within 5 feet of the creature and the ally isn't incapacitated. Tunneler. The kruthik can burrow through solid rock at half its burrowing speed and leaves a 5-foot-diameter tunnel in its

Piercer (Ice variant)

Monsters Icewind Dale: Rime of the Frostmaiden

","rollAction":"Drop","rollDamageType":"cold"} cold damage. Miss: The ice piercer takes half the normal falling damage for the distance fallen. Auril the Frostmaiden has transformed icicles into creatures that

resemble piercer;piercers. Clinging to the ceilings of caverns and large subterranean passages, piercers blend in perfectly with natural rock, dropping in silence to impale unsuspecting foes on the

Purple Worm Legacy

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

Ice Devil (Summoner Variant) Legacy

Monsters Monster Manual (2014)

","rollAction":"Bite","rollDamageType":"cold"} cold damage. Claws. Melee Weapon Attack: +10;{"diceNotation":"1d20+10","rollType":"to hit","rollAction":"Claws"} to hit, reach 5 ft., one target. Hit: 10 (2d4

","rollDamageType":"cold"} cold damage. Tail. Melee Weapon Attack: +10;{"diceNotation":"1d20+10","rollType":"to hit","rollAction":"Tail"} to hit, reach 10 ft., one target. Hit: 12 (2d6 + 5);{"diceNotation":"2d6

Ice Storm Legacy

Spells Basic Rules (2014)

A hail of rock-hard ice pounds to the ground in a 20-foot-radius, 40-foot-high cylinder centered on a point within range. Each creature in the cylinder must make a Dexterity saving throw. A creature

takes 2d8 bludgeoning damage and 4d6 cold damage on a failed save, or half as much damage on a successful one. Hailstones turn the storm's area of effect into difficult terrain until the end of your

Zephyros

Monsters Storm King's Thunder

considered magical. 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":"damage","rollAction":"Rock","rollDamageType":"bludgeoning"} bludgeoning damage. Spellcasting. Zephyros casts one of the following spells, requiring no material components and using

Wurm

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

earth in front of it and swim through the area. The soil resolidifies and closes behind it. Moving through rock is slower and more difficult, and the wurm leaves a tunnel in its wake. The Gruul Clans

Kruthik Hive Lord Legacy

Monsters Mordenkainen’s Tome of Foes

allies is within 5 feet of the creature and the ally isn't incapacitated. Tunneler. The kruthik can burrow through solid rock at half its burrowing speed and leaves a 10-foot-diameter tunnel in its

Ruin Grinder

Monsters Strixhaven: A Curriculum of Chaos

objects and structures. Tunneler. The ruin grinder can burrow through solid rock at half its burrowing speed and leaves a 10-foot-diameter tunnel in its wake.Multiattack. The ruin grinder makes two

Fiendish Auger

Monsters Phandelver and Below: The Shattered Obelisk

Siege Monster. The auger deals double damage to objects and structures. Tunneler. The auger can burrow through solid rock at half its burrow speed and leaves a 10-foot-diameter tunnel in its

augers can rapidly churn through solid rock. However, those who employ a fiendish auger must keep a keen eye on the machine. Without careful instruction, a fiendish auger indiscriminately bores

Chromatic Orb Legacy

Spells Player’s Handbook (2014)

You hurl a 4-inch-diameter sphere of energy at a creature that you can see within range. You choose acid, cold, fire, lightning, poison, or thunder for the type of orb you create, and then make a

Young Purple Worm

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

Young Kruthik

Monsters Mordenkainen Presents: Monsters of the Multiverse

. Tunneler. The kruthik can burrow through solid rock at half its burrowing speed and leaves a 2½-foot-diameter tunnel in its wake.Stab. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType

grind up the flesh and bones with mandibles strong enough to chew rock. When several kruthiks gang up on a single foe, they become frenzied and even more lethal. Kruthiks abide the presence of

Aurumvorax Den Leader

Monsters Journeys through the Radiant Citadel

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

Eyestalk of Gzemnid

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

Aurumvorax

Monsters Journeys through the Radiant Citadel

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

Harshnag the Grim

Monsters Storm King's Thunder

human. As an action, Harshnag can cast a version of the heat metal spell (save DC 13) that deals cold damage instead of fire damage. Once this power is used, it can’t be used again until the

next dawn. Rock. Ranged Weapon Attack: +9;{"diceNotation":"1d20+9","rollType":"to hit","rollAction":"Rock"} to hit, range 60/240 ft., one target. Hit: 28 (4d10 + 6);{"diceNotation":"4d10+6","rollType

Kruthik Hive Lord

Monsters Mordenkainen Presents: Monsters of the Multiverse

. Tunneler. The kruthik can burrow through solid rock at half its burrowing speed and leaves a 10-foot-diameter tunnel in its wake.Multiattack. The kruthik makes two Stab or Spike attacks.. Stab. Melee

carrion, kruthiks prefer live prey. They kill enemies by impaling them on their spiked limbs, then grind up the flesh and bones with mandibles strong enough to chew rock. When several kruthiks gang up on

Reduced-threat Gray Ooze

Monsters Tales from the Yawning Portal

damage. The ooze can eat through 2-inch-thick, nonmagical metal in 1 round. False Appearance. While the ooze remains motionless, it is indistinguishable from an oily pool or wet rock. Reduced Threat

","rollAction":"Pseudopod","rollDamageType":"acid"} acid damage, and if the target is wearing nonmagical metal armor, its armor is partly corroded and takes a permanent and cumulative −1 penalty to the AC it offers. The armor is destroyed if the penalty reduces its AC to 10.Acid, Cold, Fire

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