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Returning 24 results for 'flooding must'.
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Magic Items
Princes of the Apocalypse
. Reducing it to 0 hit points causes it to explode instantly.
A special container can be crafted to contain a devastation orb and prevent it from detonating. The container must be inscribed with symbols
that lasts for 1 hour. Whenever a creature ends its turn exposed to the wind, the creature must succeed on a DC 18 Constitution saving throw or take 1d4 bludgeoning damage, as the wind and debris
Control Water
Legacy
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Spells
Basic Rules (2014)
includes a shore, the flooding water spills over onto dry land.
If you choose an area in a large body of water, you instead create a 20-foot tall wave that travels from one side of the area to the other
Strength (Athletics) check against your spell save DC.
When a creature enters the vortex for the first time on a turn or starts its turn there, it must make a Strength saving throw. On a failed save
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
Blade barrier blocks passage 4–8 Cave-in 9–12 Chasm 1d4 × 10 ft. wide and 2d6 × 10 ft. deep, possibly connected to other levels of the dungeon 13–14 Flooding leaves 2d10 ft. of water in the area; create
progress and must be hacked down (25 percent chance of a mold or fungus dungeon hazard hidden among them) 17 Poisonous gas (deals 1d6 poison damage per minute of exposure) 18 Reverse gravity effect causes creatures to fall toward the ceiling 19 Wall of fire blocks passage 20 Wall of force blocks passage
Compendium
- Sources->Dungeons & Dragons->Hoard of the Dragon Queen
the southeastern passage, never cultists or lizardfolk. The water flooding the center of the chamber is little more than a puddle; it reaches a depth of 1 foot near the center. The water is slightly
acidic, but not enough to cause damage. The gap in the wall connecting to area 2 is only about 3 feet high above the water, so most characters must crouch to get through.
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
use the southeastern passage, never cultists or lizardfolk. The water flooding the center of the chamber is little more than a puddle; it reaches a depth of 1 foot near the center. The water is
slightly acidic, but not enough to cause damage. The gap in the wall connecting to area 2 is only about 3 feet high above the water, so most characters must crouch to get through.
Compendium
- Sources->Dungeons & Dragons->Xanathar's Guide to Everything
merchant in town — someone to whom even the prince must yield. Assets. Marina has a small fortune in gold; her abilities as a wererat, alchemist, and necromancer; a group of wererats dedicated to her
against them. Event A sudden storm creates minor flooding, washing dozens of dead, bloated, diseased rats from the sewers. Terror over the plague rips through town. Action Marina fans the flames of panic, spreading rumors that the characters or other rivals in town are responsible for the disease.
Compendium
- Sources->Dungeons & Dragons->Ghosts of Saltmarsh
monstrosities. The climax of the adventure is a race against time as the octopus returns for a final onslaught, with decks flooding, the ship sinking, and characters scrambling through the
receive their payment from Aubreck, they must bring back a heavy box from the cargo hold — potentially forcing them to choose between making a quick escape and accomplishing their mission. PLACING THE
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
location, the main doors of Ravenloft stand open. A rich, warm light spills from within, flooding the courtyard. Torches flutter sadly in sconces on both sides of the open doors.
The drawbridge appears
percent chance of one of its boards breaking under the creature. If a board breaks, the creature must succeed on a DC 10 Dexterity saving throw or fall to the bottom of the cliffs, 1,000 feet below. If a
Compendium
- Sources->Dungeons & Dragons->Player's Handbook (2014)
flooding water spills over onto dry land. If you choose an area in a large body of water, you instead create a 20-foot tall wave that travels from one side of the area to the other and then crashes down
against your spell save DC. When a creature enters the vortex for the first time on a turn or starts its turn there, it must make a Strength saving throw. On a failed save, the creature takes 2d8
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
flooding water spills over onto dry land. If you choose an area in a large body of water, you instead create a 20-foot tall wave that travels from one side of the area to the other and then crashes down
against your spell save DC. When a creature enters the vortex for the first time on a turn or starts its turn there, it must make a Strength saving throw. On a failed save, the creature takes 2d8
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
is tinted blue on the map. Submerged areas are tinted blue from wall to wall. Characters who can’t breathe underwater must hold their breath in a submerged area. While submerged, they are also
top. Any other creature that comes into contact with an anemone must make a DC 10 Dexterity saving throw. On a failed save, the creature takes 11 (2d10) poison damage from the anemone’s poisonous
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
items that harness the power of the elemental nodes themselves. These items rely on energy siphoned from a node, and some of them must be recharged inside the appropriate type of node, as noted in the
poison and psychic damage. Reducing it to 0 hit points causes it to explode instantly. A special container can be crafted to contain a devastation orb and prevent it from detonating. The container must
Compendium
- Sources->Dungeons & Dragons->Dragonlance: Shadow of the Dragon Queen
innocent intentions. If the spirits aren’t immediately calmed, each creature in the hall on the round after the spirits manifest must succeed on a DC 16 Wisdom saving throw or use its action to make a melee
size or larger that attempt to swim through the tunnel will have to squeeze through the rubble. Creatures that attempt to squeeze through must succeed on a DC 16 Strength (Athletics) check to progress
Compendium
- Sources->Dungeons & Dragons->Candlekeep Mysteries
must swim to cross the room, which acts as a reservoir to prevent the incoming tide from flooding the rest of the cave system. L4. Zikran’s Quarters This chamber appears to have been dug out of the
flooded cave, the characters must wade or swim into the water that fills it. This cave has a twelve-foot-high ceiling and rough, natural walls. The clear water that flows into the cave is four feet
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
the corridor before flooding it with magical fire. Each creature inside the closed-off corridor must make a DC 20 Dexterity saving throw, taking 28 (8d6) fire damage on a failed save or half as much
there triggers a fusillade of arrows and must make a DC 20 Dexterity saving throw, taking 27 (6d8) piercing damage from the arrows on a failed save or half as much damage on a successful one. The 5-foot
Compendium
- Sources->Dungeons & Dragons->Acquisitions Incorporated
characters thwarted the Six at every turn, Splugoth holds at least the far gear.) All franchisees must note: Expenses incurred during extraplanar excursions are NOT eligible for reimbursement.
— Omin
strange mutations. The Far Realm goblins push forward, trying to press through the portal and into your world.
Splugoth laughs. “You are too late! The ritual is under my control, and now you must hear
Compendium
- Sources->Dungeons & Dragons->Ghosts of Saltmarsh
if any creature passes from the corridor into the chamber. If that occurs, each creature within 20 feet of the glyph must make a DC 15 Dexterity saving throw, taking 22 (5d8) cold damage on a failed
secret door). Any creatures standing near the door must make a successful DC 14 Dexterity saving throw or take 18 (4d8) bludgeoning damage from the door as it closes. Trapped Inside. The slab is badly
Compendium
- Sources->Dungeons & Dragons->Bigby Presents: Glory of the Giants
giants eat them all? 2 A family of stone giants fell under the sway of Lolth and allied with Lolth-worshiping drow to raid the surface. Adventurers must break the alliance or eliminate the stone
giant, a frost giant tries to bind a powerful elemental, but the elemental escapes and rampages across the region. 5 A dejected storm or cloud giant causes a drought or flooding across nearby farmlands
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
flooded pit. The dark water ripples and splashes strangely, as though something lurks deep within it.
The collapse that occurred here long ago disturbed an underground wellspring, flooding the whole
took over a significant portion of the Underdark, including Talhundereth. They must have invaded the crypt because there are so many restless Undead and haunts. Rivibiddel adds, sadly, that the
Compendium
- Sources->Dungeons & Dragons->Quests from the Infinite Staircase
odorous liquid that attracts nearby predators. When a creature brushes past a globe palm, the tree drops several globes, which burst on impact. Characters who move through this area must succeed on a
key card, leads into area S61. Anti-flooding pumps in the stairwell prevent water from entering that area.
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
gets its name from the thousands who died in the flood. Travelers on the High Road, which skirts the Mere to the east, must resist the urge to be lured into the swamp by bobbing will-o’-wisps
natural rampart along the west and south sides of the settlement, protecting it against flooding when the Surbrin River swells in the spring. At the northeast end of Mornbryn’s Shield is a small stone keep
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
damage to whatever triggered the trap, and if the target of the trap is a creature, it must succeed on a DC 14 Constitution saving throw or take 14 (4d6) poison damage. The trap resets after 1 minute
pressure here and in area C12, the basins in areas area C14 and area C15 start to overflow. After 10 minutes, those areas become difficult terrain due to flooding. Five minutes after that, the denizens
Compendium
- Sources->Dungeons & Dragons->Baldur’s Gate Gazetteer
shaft where prisoners must constantly tread water or risk drowning, while also fending off the blind, biting shrimp that dwell there. Though long-term incarceration is rare in the city, there are
windows, and anyone trying to break through the walls of the lower cells risks catastrophic flooding. Sentries are constantly on alert for ships drawing suspiciously near the island, and no one is
Compendium
- Sources->Dungeons & Dragons->Baldur's Gate: Descent into Avernus
dank lower levels. Particularly problematic inmates end up in the Swimming Hole — a flooded and lightless shaft where prisoners must constantly tread water or risk drowning, while also fending off the
flooding. Sentries are constantly on alert for ships drawing suspiciously near the island, and no one is allowed through the fortress’s gate without a reason and an escort. Cells themselves have heavy






