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Returning 35 results for 'before building during check rules'.
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Monsters
Quests from the Infinite Staircase
, Phantasmal Force
1/day each: Fabricate (as an action), MisleadAstonishing Luck. When the leprechaun fails an ability check, an attack roll, or a saving throw, it can roll a new d20 and choose which
roll to use, potentially turning the failure into a success.Leprechauns are manifestations of the Feywild rules of hospitality and reciprocity. These rules infuse leprechauns with a deep connection to
Monsters
Dragonlance: Shadow of the Dragon Queen
Spider Climb. The drone can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.
Unusual Nature. The drone doesn’t require air, food, drink
scuttling insectile legs and barbed, scythe-shaped arms for carrying and placing building materials. The drones create a viscous gel that hardens into crystalline mortar, which they can repurpose to restrain attackers.Lightning, Poison
Monsters
Planescape: Adventures in the Multiverse
armor, mage hand, prestidigitationProbability Loophole (3/Day). When the law bender or a creature it can see makes an attack roll, a saving throw, or an ability check, the law bender can cause the roll
to be made with advantage or disadvantage.Members of the Fraternity of Order find and exploit loopholes in the laws of the multiverse. Law benders are magistrates who skirt the rules of probability
Monsters
Vecna: Eve of Ruin
ceilings, without needing to make an ability check.
Web Walker. The spiderdragon ignores movement restrictions caused by webbing.Multiattack. The spiderdragon makes one Bite attack and two Claw attacks
powerful as their black dragon progenitors, though, and they often drain the enclaves’ resources with their selfish demands.
Uninterested in building lairs, spiderdragons weave powerful webs and
Monsters
Curse of Strahd
attacks with its flailing and stomping roots. It can also use its roots to fling large rocks.
Hut Interior. The hut is a 15-foot-square, ramshackle wooden building with a gently sloping thatch roof. Its
contained in a cavity in the stump, beneath the rotted floorboards of the hut. The floorboards can be ripped up with a successful DC 14 Strength check or smashed by dealing 10 damage to them. Once the
Monsters
Vecna: Eve of Ruin
, it fails and has no effect. If the spell is 6th level or higher, Alustriel makes an Intelligence check (DC 10 plus the spell’s level). On a successful check, the spell fails and has no effect
are to spread kindness, reward virtue, and promote a culture of compassion throughout the multiverse. She is good at building alliances and quick to intervene when she senses a threat to the forces of
Monsters
Curse of Strahd
successful DC 10 Wisdom (Insight) check.
Regeneration. The wereraven regains 10 hit points at the start of its turn. If the wereraven takes damage from a silvered weapon or a spell, this trait
, modestly give money to charity. They take steps to keep magic items out of evil hands by stashing them in secret hiding places.
Characters as Wereravens. The Monster Manual has rules for characters
Giff
Legacy
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Monsters
Mordenkainen’s Tome of Foes
building a bomb big enough to level a fortification. They gladly accept payment in kegs of gunpowder in preference to gold, gems, or other currency.
No Honor in Magic. Some giff become wizards
much damage and isn’t knocked prone.
Every other keg of gunpowder within 20 feet of an exploding keg has a 50 percent chance of also exploding. Check each keg only once per turn, no matter how many other kegs explode around it.
Proficiency Bonus
Legacy
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Rules
Characters have a proficiency bonus determined by level, as detailed in chapter 1. Monsters also have this bonus, which is incorporated in their stat blocks. The bonus is used in the rules on ability
checks, saving throws, and attack rolls.
Your proficiency bonus can’t be added to a single die roll or other number more than once. For example, if two different rules say you can add your
Senses (Passive Checks)
Legacy
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Rules
Passive Checks
A passive check is a special kind of ability check that doesn't involve any die rolls. Such a check can represent the average result for a task done repeatedly, such as searching for
how to determine a character's total for a passive check:
10 + all modifiers that normally apply to the check
If the character has advantage on the check, add 5. For disadvantage, subtract 5. The game
Backgrounds
Baldur’s Gate: Descent into Avernus
underbelly of civilization, and you have survived up to this point by flouting the rules and regulations of society.
Skill Proficiencies: Deception, Stealth
Tool Proficiencies: One
Guild took over your family business, ran it into the ground, and burned the building for insurance money. You were driven into crime yourself, but you’ll never work for the Guild. You take
Compendium
- Sources->Dungeons & Dragons->Player’s Handbook
describes what happens. Sometimes, however, rules govern what you can do with an object, as detailed in the following sections. What Is an Object? For the purpose of the rules, an object is a discrete
, inanimate item like a window, door, sword, book, table, chair, or stone. It isn’t a building or a vehicle, which are composed of many objects. Time-Limited Object Interactions When time is short, such
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
describes what happens. Sometimes, however, rules govern what you can do with an object, as detailed in the following sections. What Is an Object? For the purpose of the rules, an object is a discrete
, inanimate item like a window, door, sword, book, table, chair, or stone. It isn’t a building or a vehicle, which are composed of many objects. Time-Limited Object Interactions When time is short, such
Compendium
- Sources->Dungeons & Dragons->Lost Mine of Phandelver
DC 10 Strength check to force open. The windows of any intact building are 2 feet wide and covered by wooden shutters containing 6-inch wide arrow slits. Creatures on one side of an arrow slit gain
General Features Many of Thundertree’s buildings have crumbled in the years since the town was abandoned, even as nature threatens to swallow what remains. Buildings. A building in Thundertree is
Compendium
- Sources->Dungeons & Dragons->Xanathar's Guide to Everything
Encounter Building This section introduces new guidelines on building combat encounters for an adventure. They are an alternative to the rules in “Creating Encounters” in chapter 3 of the Dungeon
Master’s Guide. This approach uses the same math that underlies the rules presented in that book, but it makes a few adjustments to the way that math is presented to produce a more flexible system. This
Compendium
- Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything
run a special session—colloquially called session zero—to establish expectations, outline the terms of a social contract, and share house rules. Making and sticking to these rules can help ensure
that the game is a fun experience for everyone involved. Often a session zero includes building characters together. As the DM, you can help players during the character creation process by advising them to select options that will serve the adventure or campaign that awaits.
Magic Items
Infernal Machine Rebuild
Lum. By experimenting with its many controls, he was able to achieve astounding and destructive magical effects in the building of his empire, and so the artifact came to be known as the Infernal
make an Intelligence check or use divination magic to learn something about a creature, that knowledge comes with added trivia of the DM’s devising.
05
You emanate a weak magnetic aura
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
before the wall does. For the purpose of these rules, an object is a discrete, inanimate item like a window, door, sword, book, table, chair, or stone, not a building or a vehicle that is composed of many other objects.
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
before the wall does. For the purpose of these rules, an object is a discrete, inanimate item like a window, door, sword, book, table, chair, or stone, not a building or a vehicle that is composed of many other objects.
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
the DM change the pitch or tempo of narration in different situations? Player Participation. Did the players participate in the world-building or make decisions that seemed to send the adventure in an
unexpected direction? How did the DM handle it? Rules Adjudication. To what extent did the DM lean on the rules to adjudicate outcomes? Did the DM adjudicate situations wisely or in ways that made the
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
the DM change the pitch or tempo of narration in different situations? Player Participation. Did the players participate in the world-building or make decisions that seemed to send the adventure in an
unexpected direction? How did the DM handle it? Rules Adjudication. To what extent did the DM lean on the rules to adjudicate outcomes? Did the DM adjudicate situations wisely or in ways that made the
Compendium
- Sources->Dungeons & Dragons->Xanathar's Guide to Everything
. The chapter opens with optional rules meant to help you run certain parts of the game more smoothly. The chapter then goes into greater depth on several topics — encounter building, random encounters
you. It gives you new rules options, as well as some refined tools for creating and running adventures and campaigns. It is a supplement to the tools and advice offered in the Dungeon Master’s Guide
Compendium
- Sources->Dungeons & Dragons->Player's Handbook (2014)
refers to a passive check total as a score. For example, if a 1st-level character has a Wisdom of 15 and proficiency in Perception, he or she has a passive Wisdom (Perception) score of 14. The rules on
Passive Checks A passive check is a special kind of ability check that doesn’t involve any die rolls. Such a check can represent the average result for a task done repeatedly, such as searching for
Compendium
- Sources->Dungeons & Dragons->Basic Rules (2014)
refers to a passive check total as a score. For example, if a 1st-level character has a Wisdom of 15 and proficiency in Perception, he or she has a passive Wisdom (Perception) score of 14.
The rules on hiding in the “Dexterity” section below rely on passive checks, as do the exploration rules.
Passive Checks A passive check is a special kind of ability check that doesn't involve any die rolls. Such a check can represent the average result for a task done repeatedly, such as searching for
Compendium
- Sources->Dungeons & Dragons->Monster Manual
the rules for monster customization and encounter building in the Dungeon Master’s Guide—to build your own adventures. Consult appendix B for monster lists that will help your adventure building. What’s
New in the 2025 Version?
This is the 2025 version of the fifth edition Monster Manual. If you’ve read the 2014 version, much of this book will feel familiar, since the fundamental rules and variety
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
will it allow characters to enter the building or use the gate inside unless they have Wyllow’s permission to do so. If a character tries to deceive the dragon, it can make a Wisdom (Insight) check
two stone walkways raised atop 20-foot-high marble columns.
Bridge. A stone bridge on the platform spans the river to the east. (See area 10 for more information on the bridge.)
Building. A mossy
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
Outside the Lodge This ancient building has a wood and plaster upper floor over a fieldstone lower floor. Its shuttered windows are all closed. In places, the roof is overgrown with moss. A single
door stands slightly open. Smoke pours from one of three large chimneys.
The lodge stands in a forest, among tall pines and in excellent hunting territory. The building can be accessed through the
Compendium
- Sources->Dungeons & Dragons->Storm Lord’s Wrath
building to the party, who are easier to reach. If the zombies are defeated and examined, each bears a brand on its forehead in the shape of a skull. A successful DC 15 Intelligence (Religion) check reveals
Undead Attack This encounter occurs at night. As the characters approach the junction of the Triboar Trail and the High Road, set the scene: An oddly shaped building sits at the juncture of the
Compendium
- Sources->Dungeons & Dragons->Hoard of the Dragon Queen
Outside the Lodge This ancient building has a wood and plaster upper floor over a fieldstone lower floor: its shuttered windows are all closed. The roof is completely overgrown with moss. A single
door stands slightly open. Smoke pours from one of three large chimneys. The lodge stands in a forest, among tall pines and in excellent hunting territory. The building can be accessed through the front
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
and width of any building found in Ten-Towns.
The lodge has three tall openings on the east side. On the southern side of the building is a tunnel left behind by a remorhaz that raided the lodge’s
a successful DC 15 Wisdom (Insight) check, tell that the wolves are lying about Garagai—the frost giant is in fact inside the lodge. Are they afraid to face their master, perhaps, or is there another
Compendium
- Sources->Dungeons & Dragons->Eberron: Forge of the Artificer
associate with different houses but have a common purpose. (See the “Building a Party” section below for suggestions on bringing together a party from different houses.) If the characters work for a single
house or an organization, like the Twelve, that unites them in a mutual purpose, use the group patron rules in Eberron: Rising from the Last War to provide benefits from their shared mission. The House
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
requires a successful DC 15 Strength (Athletics) check to force open. Piled behind the doors are broken chairs, shattered benches, and empty chests. Inside the building, characters find the following: Arch
in this guardhouse, believing that act would prevent the will-o’-wisp from reaching him. An examination of his corpse and a successful DC 12 Wisdom (Medicine) check reveals that he died from several
Compendium
- Sources->Dungeons & Dragons->Keys from the Golden Vault
guards are posted on the balcony and one guard patrols around the outside of the building at ground level. A character can avoid the notice of the exterior guards with a successful DC 12 Dexterity
(Stealth) check. An effective distraction might lower the DC or even bypass this check entirely. At night, the DC of this check decreases to 9. Interior Security Characters who learned the guard
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
a cipher. The DM and the rules often call for an ability check when a creature attempts something other than an attack that has a chance of meaningful failure. When the outcome is uncertain and
ability check represents the task’s difficulty. The more difficult the task, the higher its DC. The rules provide DCs for certain checks, but the DM ultimately sets them. The Typical Difficulty
Compendium
- Sources->Dungeons & Dragons->Lost Mine of Phandelver
feet (spending half their speed to do so—see the “Being Prone” section in the Basic Rules). They pursue any characters they see, attacking until destroyed. The eastern half of the building is the old
Basic Rules for the effects of being restrained). A snared creature can take an action each round to attempt to break free with a DC 12 Strength check, or it can try to cut its way free by using a light