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Otiluke's Resilient Sphere

Spells Player’s Handbook

physical objects, energy, or other spell effects—can pass through the barrier, in or out, though a creature in the sphere can breathe there. The sphere is immune to all damage, and a creature or

Resilient Sphere Legacy

Spells Basic Rules (2014)

for the duration. Nothing--not physical objects, energy, or other spell effects--can pass through the barrier, in or out, though a creature in the sphere can breathe there. The sphere is immune to

Sahuagin Hatchling Swarm

Monsters Ghosts of Saltmarsh

the end of its turn if it did not make an attack on that turn. This damage ignores resistance, and it cannot reduce the swarm to 0 hit points. Swarm. The swarm can occupy another creature's space and

vice versa, and it can move through any opening large enough for a Tiny creature. The swarm can't regain hit points or gain temporary hit points. Water Breathing. The swarm can breathe only

Ancient Blue Dragon Legacy

Monsters Basic Rules (2014)

same effect two rounds in a row: Part of the ceiling collapses above one creature that the dragon can see within 120 feet of it. The creature must succeed on a DC 15 Dexterity saving throw or take 10

(3d6);{"diceNotation":"3d6","rollType":"damage","rollAction":"Ceiling Collapse","rollDamageType":"bludgeoning"} bludgeoning damage and be knocked prone and buried. The buried target is restrained and

Adult Blue Dragon Legacy

Monsters Basic Rules (2014)

effect two rounds in a row: Part of the ceiling collapses above one creature that the dragon can see within 120 feet of it. The creature must succeed on a DC 15 Dexterity saving throw or take 10

(3d6);{"diceNotation":"3d6","rollType":"damage","rollAction":"Ceiling Collapse","rollDamageType":"bludgeoning"} bludgeoning damage and be knocked prone and buried. The buried target is restrained and

Otiluke's Resilient Sphere Legacy

Spells Player’s Handbook (2014)

for the duration.Nothing—not physical objects, energy, or other spell effects—can pass through the barrier, in or out, though a creature in the sphere can breathe there. The sphere is

Ashen Rider

Monsters Mythic Odysseys of Theros

spellcasting ability is Wisdom (spell save DC 18). The rider can innately cast the following spells, requiring no material components: At will: command, compelled duel 1/day each: banishment, blade barrier

Assault (Costs 2 Actions). The ashen rider makes an attack using its ashen blade or bolt of ash, and then its mount can use its reaction to make a melee weapon attack. Reduce to Ash (Costs 3 Actions). The

Zegana

Monsters Guildmasters’ Guide to Ravnica

Amphibious. Zegana can breathe air and water. Legendary Resistance (3/Day). If Zegana fails a saving throw, she can choose to succeed instead. Magic Resistance. Zegana has advantage on saving

slots): color spray, expeditious retreat, fog cloud, shield 2nd level (3 slots): enlarge/reduce, gust of wind 3rd level (3 slots): counterspell, fly, slow 4th level (3 slots): control water, ice

Iymrith

Monsters Storm King's Thunder

","rollType":"damage","rollAction":"Collapsing Ceiling","rollDamageType":"bludgeoning"} bludgeoning damage and be knocked prone and buried. The buried target is restrained and unable to breathe or

row: Part of the ceiling collapses above one creature that the dragon can see within 120 feet of it. The creature must succeed on a DC 15 Dexterity saving throw or take 10 (3d6);{"diceNotation":"3d6

Kraken Legacy

Monsters Basic Rules (2014)

Amphibious. The kraken can breathe air and water. Freedom of Movement. The kraken ignores difficult terrain, and magical effects can't reduce its speed or cause it to be restrained. It can spend 5

Slarkrethel

Monsters Storm King's Thunder

Amphibious. Slarkrethel can breathe air and water. Freedom of Movement. Slarkrethel ignores difficult terrain, and magical effects can't reduce its speed or cause it to be restrained. It can spend 5

Juvenile Kraken

Monsters Ghosts of Saltmarsh

Amphibious. The kraken can breathe air and water. Freedom of Movement. The kraken ignores difficult terrain, and magical effects can't reduce its speed or cause it to be restrained. It can spend 5

Thessalkraken

Monsters Infernal Machine Rebuild

Amphibious. The thessalkraken can breathe air and water. Freedom of Movement. The thessalkraken ignores difficult terrain, and magical effects can’t reduce its speed or cause it to be

Ancient Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

or ambush visitors if the need arises. A well-cultivated lair abounds with Underdark fungi and plants, with the floor, walls, and ceiling covered in carpets of mold and moss, or featuring larger

conjures sludge-like moss that briefly covers surfaces in the lair. The ceiling, floor, and walls of the lair become difficult terrain until initiative count 20 on the next round. Toxic Spores. The

Adult Deep Dragon Legacy

Monsters Fizban's Treasury of Dragons

that allow them to escape or ambush visitors if the need arises. A well-cultivated lair abounds with Underdark fungi and plants, with the floor, walls, and ceiling covered in carpets of mold and moss

. Mossy Sludge. The dragon conjures sludge-like moss that briefly covers surfaces in the lair. The ceiling, floor, and walls of the lair become difficult terrain until initiative count 20 on the next round

Hierophant Medusa

Monsters The Book of Many Things

2/day: Mass Cure Wounds (cast at 8th level) 1/day each: Blade Barrier, Divination, Greater RestorationThe medusa can take 3 legendary actions, choosing from the options below. It can take only one

a surface such as a ceiling with no way to remain there (for example, sufficient handholds), it falls at the end of this movement. Regional Effects The region containing a medusa’s lair is

Random Obstacles

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

barrier to many characters but easily navigated by water-breathing creatures. Obstacles can affect more than one room. A chasm might run through several passages and chambers, or send cracks through

Obstacle 1 Antilife aura with a radius of 1d10 × 10 ft.; while in the aura, living creatures can’t regain hit points 2 Battering winds reduce speed by half, impose disadvantage on ranged attack rolls 3

Adult Amethyst Dragon

Monsters Fizban's Treasury of Dragons

Amphibious. The dragon can breathe both air and water. Legendary Resistance (3/Day). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes one Bite

the air is cool 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

Powered Armor

equipment

Physicality. You have advantage on Strength checks, and your carrying capacity is doubled. Environmental Adaptation. The armor seals airtight and provides its own atmosphere. You can breathe normally in

reaction to expend 1 of the armor’s charges to deploy a defensive force field. Roll 3d10 and reduce the damage taken by the total rolled. Propulsion. As a bonus action, you can expend 1 of the

Ancient Amethyst Dragon

Monsters Fizban's Treasury of Dragons

Amphibious. The dragon can breathe both air and water. Legendary Resistance (3/Day). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes one Bite

ceiling, casting dim light in a 30-foot radius. Chimneys. Two chimneys connect the main caves to the three chambers above. Each chimney appears to continue up through the ceiling of the upper level and

Ancient Topaz Dragon

Monsters Fizban's Treasury of Dragons

Amphibious. The dragon can breathe both air and water. Fabricate (1/Day). The dragon can cast fabricate, requiring no spell components and using Intelligence as the spellcasting ability. Legendary

creation and growth, much as a forest fire clears dead wood, replenishes the soil, and allows the forest to regrow even healthier than before. To this end, topaz dragons use their power to reduce

Adult Topaz Dragon

Monsters Fizban's Treasury of Dragons

Amphibious. The dragon can breathe both air and water. Fabricate (1/Day). The dragon can cast fabricate, requiring no spell components and using Intelligence as the spellcasting ability. Legendary

, much as a forest fire clears dead wood, replenishes the soil, and allows the forest to regrow even healthier than before. To this end, topaz dragons use their power to reduce crumbling structures and

30. Iron Barrier

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

characters can use spells such as gaseous form and misty step to move past the iron sheet. Any character who examines the barrier discovers that it slides up into the ceiling. Coiled springs provide

30. Iron Barrier Ahead of you, the face of a snarling minotaur is etched into a sheet of iron that bisects the crawlway. Its eyes have been cut out, letting you see through the sheet, beyond which

Topaz Dragon Wyrmling

Monsters Fizban's Treasury of Dragons

Amphibious. The dragon can breathe both air and water.Bite. Melee Weapon Attack: +4;{"diceNotation":"1d20+4", "rollType":"to hit", "rollAction":"Bite"} to hit, reach 5 ft., one target. Hit: 7 (1d10

fire clears dead wood, replenishes the soil, and allows the forest to regrow even healthier than before. To this end, topaz dragons use their power to reduce crumbling structures and diseased plants to

Young Topaz Dragon

Monsters Fizban's Treasury of Dragons

Amphibious. The dragon can breathe both air and water.Multiattack. The dragon makes one Bite attack and two Claw attacks. Bite. Melee Weapon Attack: +6;{"diceNotation":"1d20+6", "rollType":"to hit

, replenishes the soil, and allows the forest to regrow even healthier than before. To this end, topaz dragons use their power to reduce crumbling structures and diseased plants to dust, clearing the way

Wave

Compendium - Sources->Dungeons & Dragons->Locathah Rising

a bubble of air around your head. It allows you to breathe normally underwater. This bubble stays with you until you speak the command word again, the cap is removed, or you are no longer underwater

insuﬃcient charges remaining, nothing happens. Otherwise, a barrier of invisible force springs into existence, forming a cube 15 feet on a side. The barrier is centered on you, moves with you, and lasts

1. Entrance

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

track or reaches its maximum speed of 60 feet. A cart stops if it hits a stopped cart or the iron guard barrier at either end of the track. Each cart weighs 300 pounds empty and is equipped with a

hand brake. A creature inside a cart or next to one can use its action to pull the hand brake to reduce the cart’s speed by up to 30 feet, bringing it to a stop if its speed drops to 0. Moving out of

Otiluke's Resilient Sphere

Compendium - Sources->Dungeons & Dragons->Player’s Handbook

spell effects—can pass through the barrier, in or out, though a creature in the sphere can breathe there. The sphere is immune to all damage, and a creature or object inside can’t be damaged by

Otiluke's Resilient Sphere

Compendium - Sources->Dungeons & Dragons->Player's Handbook (2014)

failed save, the creature is enclosed for the duration. Nothing—not physical objects, energy, or other spell effects—can pass through the barrier, in or out, though a creature in the sphere can breathe

Otiluke's Resilient Sphere

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

spell effects—can pass through the barrier, in or out, though a creature in the sphere can breathe there. The sphere is immune to all damage, and a creature or object inside can’t be damaged by attacks

2. Reversed Library

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

bookshelves, fully stocked with upside-down history books from the many parts of the world Halaster has explored. Desk. In the middle of the 15-foot-high ceiling is an upside-down desk topped with a stack of

. Unless anchored, held down, or affected by a fly spell or similar magic, any creature or object that enters this room falls up toward the ceiling. The desk is empty except for the array of nine books

Geode Features

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

umber hulk (bursts out of a nearby wall) 5 Bleeding earth 6 Ceiling collapse 7 Crystal extrusion 8 Fissure 9 Flowstone growth 10–20 None Bleeding Earth. A nearby wall swells and splits open, oozing

thick black mud. Ceiling Collapse. A tremor causes part of the ceiling to collapse above one random party member. If the party includes NPCs, be sure to count them as well. The target must succeed on a

21. Secret Stairs

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

through the lower levels of the house as it makes its descent. Thick cobwebs fill the shaft and reduce visibility in the staircase to 5 feet. The secret door and shaft don’t exist until the house

. Rooms are 8 feet tall and supported by thick wooden posts with crossbeams. The only exception is area 38, which has a 16-foot-high ceiling supported by stone pillars. Characters without darkvision

Sahuagin Hatchling Swarm

Compendium - Sources->Dungeons & Dragons->Ghosts of Saltmarsh

damage to itself at the end of its turn if it did not make an attack on that turn. This damage ignores resistance, and it cannot reduce the swarm to 0 hit points. Swarm. The swarm can occupy another

breathe only underwater. Actions Bites. Melee Weapon Attack: +6 to hit, reach 0 ft., one creature in the swarm’s space. Hit: 14 (4d6) piercing damage, or 7 (2d6) piercing damage if the swarm has half of its hit points or fewer.

Powered Armor

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

Physicality. You have advantage on Strength checks, and your carrying capacity is doubled. Environmental Adaptation. The armor seals airtight and provides its own atmosphere. You can breathe normally in any

expend 1 of the armor’s charges to deploy a defensive force field. Roll 3d10 and reduce the damage taken by the total rolled. Propulsion. As a bonus action, you can expend 1 of the armor’s charges to

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