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Returning 35 results for 'both of percent hour'.
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Magic Items
Dungeon Master’s Guide
Lions);Golden Lions (Rare). These gold statuettes of lions are always created in pairs. You can use one figurine or both simultaneously. Each can become a Lion for up to 1 hour. Once a lion has been used
been used, it can’t be used again until 15 days have passed.
Goat of Traveling. This figurine can become a Large goat with the same statistics as a Riding Horse. It has 24 charges, and each hour
Magic Items
Dungeon Master’s Guide
Usually found in a box or pouch, this deck contains a number of cards made of ivory or vellum. Most (75 percent) of these decks have thirteen cards, but some have twenty-two. Use the appropriate
cards drawn in excess of this number have no effect. Otherwise, as soon as you draw a card from the deck, its magic takes effect. You must draw each card no more than 1 hour after the previous draw. If
Magic Items
Candlekeep Mysteries
praying to Orcus for at least 1 hour has a 10 percent chance of summoning a smoky avatar of the demon lord. Once this avatar is summoned, it can’t be summoned again for 30 days. Orcus’s
avatar has the statistics of a wraith except that it’s chaotic evil. It attacks all non-undead creatures it encounters, and it disappears after 1 hour or when reduced to 0 hit points.
Drow Shadowblade (Summoner Variant)
Legacy
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Monsters
Mordenkainen’s Tome of Foes
target must succeed on a DC 13 Constitution saving throw or be poisoned for 1 hour. If the saving throw fails by 5 or more, the target is also unconscious while poisoned in this way. The target regains
consciousness if it takes damage or if another creature takes an action to shake it.
Summon Shadow Demon (1/Day). The drow attempts to magically summon a shadow demon with a 50 percent;{"diceNotation
Monsters
Waterdeep: Dungeon of the Mad Mage
possible in the space available.
Invisibility (Recharges after a Short or Long Rest). The mummy lord magically turns invisible for up to 1 hour or until it attacks, it casts a spell, it uses its Enlarge
vinegar, for instance.
Divination spells cast within the lair by creatures other than the mummy lord have a 25 percent chance to provide misleading results, as determined by the DM. If a divination
Monsters
Princes of the Apocalypse
much damage on a successful one.
Cyclones touch down within a 5-mile radius of Yan-C-Bin’s lair. Every hour, there is a five percent;{"diceNotation":"1d100","rollType":"roll","rollAction":"Cyclone
pale and cloudy, and he loses the Air Form trait. He can remain in polymorphed form for up to 1 hour. Reverting to his true form requires an action.
Summon Elementals (1/Day). Yan-C-Bin summons up
Monsters
Princes of the Apocalypse
.
Wildfires erupt within a 5-mile radius of Imix’s lair. Every hour, there is a ten percent;{"diceNotation":"1d100","rollType":"roll","rollAction":"Wildfire Chance"} chance that characters in this area
get out of its path. Wooden structures caught in the wildfire are destroyed.
Lava fountains erupt from the ground within 1 mile of Imix’s lair. Every hour, there is a ten percent;{"diceNotation
Monsters
Mordenkainen Presents: Monsters of the Multiverse
throw or be poisoned for 1 hour. If the saving throw fails by 5 or more, the target is also unconscious while poisoned in this way. The target regains consciousness if it takes damage or if another
will: dancing lights, darkness
1/day each: faerie fire, levitate (self only)
Summon Shadow Demon (1/Day). The drow attempts to magically summon a shadow demon (see the Monster Manual) with a 50 percent
Monsters
Mordenkainen Presents: Monsters of the Multiverse
throw or be poisoned for 1 hour. If the saving throw fails by 5 or more, the target is also unconscious while poisoned in this way. The target regains consciousness if it takes damage or if another
.
Summon Shadow Demon (1/Day). The drow attempts to magically summon a shadow demon (see the Monster Manual) with a 50 percent chance of success. If the attempt fails, the drow takes 5 (1d10
Bag of Beans
Legacy
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Magic Items
Basic Rules (2014)
creature eats a toadstool, roll any die. On an odd roll, the eater must succeed on a DC 15 Constitution saving throw or take 5d6 poison damage and become poisoned for 1 hour. On an even roll, the eater
gains 5d6 temporary hit points for 1 hour.
02-10
A geyser erupts and spouts water, beer, berry juice, tea, vinegar, wine, or oil (GM's choice) 30 feet into the air for 1d12 rounds.
11-20
A
Magic Items
The Book of Many Things
Created in the image of the Deck of Many Things, this deck of ivory or vellum cards bestows an assortment of minor benefits and penalties on those who draw from it. Most (75 percent) of these decks
. Unless a card states otherwise, as soon as you draw a card from the deck, its magic takes effect. You must draw each card you declared no more than 1 hour after the previous draw. If you fail to draw
Demogorgon
Legacy
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Monsters
Out of the Abyss
Demogorgon (for example, hitting him with an attack), there is a 50 percent;{"diceNotation":"1d100","rollType":"roll","rollAction":"illusory duplicate"} chance that it is the illusory duplicate that is
violent and crazed — even creatures that are normally docile.
If a humanoid spends at least 1 hour within 1 mile of the lair, that creature must succeed on a DC 23 Wisdom saving throw or
Magic Items
Princes of the Apocalypse
apply, as detailed in chapter 5 of the Dungeon Master’s Guide. At the end of each hour, there is a ten percent chance that the heat wave starts a wildfire in a random location within the area of
example, an air node creates a devastation orb of air. The ritual takes 1 hour to complete and requires 2,000 gp worth of special components, which are consumed.
A devastation orb measures 12 inches in
Figurine of Wondrous Power
Legacy
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Magic Items
Basic Rules (2014)
Lions (Rare). These gold statuettes of lions are always created in pairs. You can use one figurine or both simultaneously. Each can become a lion for up to 1 hour. Once a lion has been used, it can't
functions differently from the others. Their properties are as follows:
The goat of traveling can become a Large goat with the same statistics as a riding horse. It has 24 charges, and each hour or
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
face her wrath. One hour after making this announcement, Auril leaves the tower and prowls through the streets in search of the characters. For every hour that passes, there is a 20 percent chance that
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
Encounters d12 + d8 Encounter 2 Sunken ship covered in barnacles (25 percent chance that the ship contains treasure; roll randomly on the treasure tables in chapter 7) 3 Sunken ship with reef sharks
(shallow waters) or hunter sharks (deep waters) circling around it (50 percent chance that the ship contains treasure; roll randomly on the treasure tables in chapter 7) 4 Bed of giant oysters (each
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
.
At the end of each hour the adventurers stay inside either derro area, there is a 25 percent chance that 2d4 derro (see appendix C) attack without warning. If the characters kill any derro, the
chance of another attack becomes 50 percent every half hour. Sneaking through the senseless arrangement of the burrows is relatively easy, as the derro are normally too preoccupied with their own mad
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
of exhaustion (see appendix A of the Player’s Handbook). For each additional 10 percent of the air used up, the characters suffer one additional level of exhaustion. At 90 percent, the characters are
.
A lit torch or its equivalent uses up air as a character does. Briefer but hotter magical effects consume 1 hour of air per die of fire damage per round. For example, a fireball spell that deals 8d6
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
from the nearby hills. At the end of each hour, roll percentile dice and consult the Grudd Haug Reinforcements table to determine what creatures, if any, appear. Unless otherwise noted, such
creatures enter through the stockyard (area 9) and go to the feasting hall (area 2), to pay homage or deliver food to Chief Guh. There is a 25 percent chance that the creatures have 1d4 prisoners (unarmed
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
, there’s a 50 percent chance each hour that a goblin noncombatant enters the cave, looking for a drink of water. The goblin flees at the sight of intruders, heading north to area 9. The goblin has AC 10, 1 hit point, and no effective attacks.
Compendium
- Sources->Dungeons & Dragons->Bigby Presents: Glory of the Giants
altitude of 500 feet at 8 miles per hour (80 feet per round). During its turn, a creature in the control chamber who is attuned to the Labyrinth Funnel can cause the tower to ascend or descend 100 feet
, can stop the tower, or can change the tower’s speed, to a maximum of 12 miles per hour (120 feet per round), in a direction of the creature’s choice. Perpetual Storm. While uncontrolled, the storm
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
Bandits A marauding gang of bandits confronts the party. The gang consists of a bandit captain and 3d6 + 2 bandits, all wearing cloaks and mounted on riding horses. There is a 25 percent chance that
block) on a longship. Longships have a speed of 3 miles per hour. If the vessel the characters are in moves at least as fast, they can successfully flee from the pirates. Otherwise, the pirates overtake
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
bridge like it’s not there. A successful dispel magic spell cast on the bridge (DC 18) causes the entire span to disappear for 1 hour. In order to retain their magic items as they cross the bridge, the
creature on the bridge crosses the midpoint of the span, there is a 25 percent chance that the lava pool below spouts a fireball that explodes at a point centered on that creature. The effect is that of a
Compendium
- Sources->Dungeons & Dragons->The Wild Beyond the Witchlight
spell. Any creature that drinks a pint or more of the liquid is targeted by a polymorph spell (save DC 14) that lasts for 1 hour. The creature is transformed into either a giant frog (75 percent
chance) or a giant dragonfly (25 percent chance; see appendix C). Unicorn Horn. If the Story Tracker indicates that the missing unicorn’s horn is here, the characters can find it amid the coals. (Bavlorna
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
that touches an egg can feel it trembling. Each hour, there is a 10 percent chance that one of the eggs hatches. The infant hook horror that emerges imprints on the first creature it sees. It
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
Finding the Morkoth The Morkoth is sailing around a cluster of islands in the Trackless Sea known as the Purple Rocks. The ship’s precise location changes from one hour to the next and is ultimately
distance. Once the characters get within 100 miles of the Purple Rocks, they have a base 10 percent chance per day of locating the Morkoth. This chance assumes that the characters are traveling in one
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
hunting, there is a cumulative 20 percent chance per hour of it returning. The King of Feathers is a feathered tyrannosaurus rex, with these changes: The King of Feathers is a monstrosity with 200 hit
“Treasure” below). Hail to the King During the day, there is a 50 percent chance that the King of Feathers rests in the amphitheater. At night, this chance decreases to 25 percent. If the beast is out
Deck of Many Things
Legacy
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Magic Items
Basic Rules (2014)
Usually found in a box or pouch, this deck contains a number of cards made of ivory or vellum. Most (75 percent) of these decks have only thirteen cards, but the rest have twenty-two.
Before you
have no effect. Otherwise, as soon as you draw a card from the deck, its magic takes effect. You must draw each card no more than 1 hour after the previous draw. If you fail to draw the chosen number
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dragon Heist
Force Field There are no openings in the force field, which extends 1 foot underground. It takes 1 hour for a character with a shovel to dig a hole deep enough for a Medium creature to squeeze through
, going under the field to the other side of the towers’ outer wall. Since Kolat Towers is surrounded by other buildings, there’s a 75 percent chance that any digging attracts 2d6 members of the City
Compendium
- Sources->Dungeons & Dragons->Planescape: Adventures in the Multiverse->Turn of Fortune’s Wheel
: Antimagic Pockets. The Spire is protected by invisible, drifting pockets of antimagic. Anytime a creature casts a spell, there is a 10 percent chance it triggers an antimagic field spell, centered on
materials from the cave, but most of the detritus from above is worthless. Characters find evidence of R04M’s passage after searching for 5 hours or by searching for 1 hour and succeeding on a DC 14 Wisdom (Survival) check. This path leads up an incline toward a series of tunnels.
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
private hunting domain. Drow warriors patrol the forest, alert for poachers and intruders. Check for random encounters in Kyorbblivvin once every hour. Roll a d20 and consult the Kyorbblivvin Encounters
“Fungi of the Underdark” in chapter 2). Roll a d6 and consult the Exotic Fungi table to determine what they find. d6 Fungi 1 1d6 nightlights (50 percent chance they are unlit) 2 2d6 Nilhogg’s
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
sprout. If a creature eats a toadstool, roll any die. On an odd roll, the eater must succeed on a DC 15 Constitution saving throw or take 5d6 poison damage and become poisoned for 1 hour. On an even
roll, the eater gains 5d6 temporary hit points for 1 hour. 02–10 A geyser erupts and spouts water, beer, berry juice, tea, vinegar, wine, or oil (DM’s choice) 30 feet into the air for 1d12 rounds. 11
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
successful save indicates that the creature avoids a hard landing in the water below. There is a 50 percent chance that any waterfall area contains a duergar-built lock designed to traverse it, in which case
there is no risk of going over the falls. It takes a successful DC 11 Intelligence (Investigation) check to figure out how to operate the lock. Once a lock is opened, it takes 1 hour for the water
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
sprout. If a creature eats a toadstool, roll any die. On an odd roll, the eater must succeed on a DC 15 Constitution saving throw or take 5d6 poison damage and become poisoned for 1 hour. On an even
roll, the eater gains 5d6 temporary hit points for 1 hour. 02–10 A geyser erupts and spouts water, beer, berry juice, tea, vinegar, wine, or oil (DM’s choice) 30 feet into the air for 1d12 rounds. 11
Compendium
- Sources->Dungeons & Dragons->Infernal Machine Rebuild
percent cumulative chance that 1d4 lizardfolk guards arrive to fetch more supplies for the temple. They attack intruders at once. Storage Area Discoveries d100 Discovery
01–05 A pile of moldy
sacks is contaminated with toxic mold. The character who discovers them must succeed on a DC 12 Constitution saving throw or become poisoned for 1 hour.
06–15 A tiny mimic is disguised as a