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Returning 35 results for 'been before diameter couple rules'.
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Magic Items
Icewind Dale: Rime of the Frostmaiden
hold. The largest mythallars are 150 feet in diameter.
The Ythryn mythallar is a relatively small device—a mere 50 feet in diameter. To attune to this mythallar, a creature must finish a short
rest within 30 feet of it, meditating on the mythallar. Up to eight creatures can be attuned to it at one time; otherwise, the Ythryn mythallar follows the attunement rules in the Dungeon Master&rsquo
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
":"Acid Spray","rollDamageType":"acid"} acid damage on a failed save, or half as much damage on a successful one.A hive lord rules each kruthik hive. When the hive lord dies, the surviving members of the
Magic Items
Princes of the Apocalypse
diameter, weighs 10 pounds, and has a solid outer shell. The orb detonates 1d100 hours after its creation, releasing the elemental energy it contains. The orb gives no outward sign of how much time
batter it. The wind is strong enough to uproot weak trees and destroy light structures after at least 10 minutes of exposure. Otherwise, the rules for strong wind apply, as detailed in chapter 5 of the
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
T1. Entry Cavern If the sinkhole opened up, this cavern has a pile of dirt in the center and a gaping, 20-foot-diameter hole in the 30-foot-high ceiling. This wide, irregularly shaped cavern has a
-ring — stands to the east. By the stone door, a couple well-used cloaks and a waterskin are on the floor.
The waterskin is half full of water. The cloaks are quite plain. They belong to Believers who
Kobold
Legacy
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Species
Volo's Guide to Monsters
creatures wouldn’t feel safe.
Kobolds take advantage of their size by creating small-diameter tunnels that they can easily pass through, but that require larger creatures to hunch over or even
provoke retaliatory attacks from the creatures they steal from. It’s better to be cautious and overlooked than to be considered dangerous and a threat.
In a couple of situations, kobolds might
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
beyond repair, lay strewn across the floor. Hidden amidthe wreckage are a couple discarded magic items (see “Treasure” below).
Rust Monsters. Three rust monsters gorge on the piles of scrap and are
to poison and psychic damage, as well as immunity to the charmed, frightened, paralyzed, petrified, and poisoned conditions. Treasure Scattered among the discarded machinery are a couple of
Compendium
- Sources->Dungeons & Dragons->Xanathar's Guide to Everything
effect, then follow the rules for that kind of area as normal (see the “Areas of Effect” section in chapter 10 of the Player’s Handbook). If an area of effect is circular and covers at least half a
using. Every 5 feet of the area equals 1 inch of the template’s size. For example, the 20-foot-radius sphere of the fireball spell, which has a 40-foot diameter, would translate into a circular
Compendium
- Sources->Dungeons & Dragons->Lost Mine of Phandelver
“Adventuring Gear” in the Basic Rules.) Characters in need of weapons or armor are directed to the Lionshield Coster (see that section). The proprietor is Elmar Barthen, a lean and balding human male shopkeeper
of fifty years with a kindly manner. He employs a couple of young clerks (Ander and Thistle), who help load and unload wagons and who wait on customers when Barthen isn’t around. Delivering the
Compendium
- Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes
Kruthik Hive Lord A hive lord rules each kruthik hive. When the hive lord dies, the surviving members of the hive abandon their lair and search for a new one. When a suitable location is found, the
. The kruthik can burrow through solid rock at half its burrowing speed and leaves a 10-foot-diameter tunnel in its wake.
Actions
Multiattack. The kruthik makes two stab attacks or two spike attacks
Compendium
- Sources->Dungeons & Dragons->Dragon of Icespire Peak
forthright and honest to a fault. Norbus is gruff and excessively cautious. They banter like an old married couple. Each dwarf has ten days of rations, a waterskin, mining tools, and one of two matching
.
Dust and Debris. The temple is choked with dusty rubble. Rubble-filled squares are difficult terrain (see the Basic Rules).
Light. There are no light sources in the temple, since the dwarf priests of Abbathor relied on darkvision to see.
Compendium
- Sources->Dungeons & Dragons->Spelljammer: Adventures in Space->Astral Adventurer’s Guide
distance equal to the longest dimension of its form. For example, a spherical planet 5,000 miles in diameter has an air envelope 15,000 miles in diameter, with the planet at the center of it. An air
121, and the foul air turns deadly 120 days later. Deadly air is unbreathable. Any creature that tries to breathe deadly air begins to suffocate (see the rules on suffocation in the Player’s Handbook
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
of an otherwise empty alcove, and carved into the top of the disk is a serpentine symbol.
The room contains four pits, each one a bell-shaped chamber 10 feet deep and 10 feet in diameter. The pits
checks made to jump. Fenthaza (see area 5) carries the keys for these bindings. See “Adventuring Gear” in chapter 5 of the Player’s Handbook for rules on breaking, escaping, and unlocking manacles (and
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
mountain with a full moon symbol above it. Close inspection of the moon reveals a half-inch-diameter hole in the middle of it. The arch is one of Halaster’s magic gates (see “Gates”). Its rules are
Compendium
- Sources->Dungeons & Dragons->Candlekeep Mysteries
View Player Version Docks Unlike the materials used for the crab maze, the docks are sturdy planks of wood tightly fastened together and treated to make the structure waterproof. Only a couple of
of wood and mud bricks has been turned into a prison where the evil yuan-ti are holding some of the followers of the Scaled Mother. The hemispherical building, 20 feet high and 50 feet in diameter, is
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
(three women and two men), and five bugbears.
Blood Circle. Painted in blood on the middle of the floor is a 10-foot-diameter circle with ten equidistant spokes extending outward from its circumference
a rust monster. Arch Gate. The arch is one of Halaster’s magic gates (see “Gates”). The Xanathar Guild forces nearby are aware of the gate but don’t know how to activate it. Its rules are as follows
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a4
monsters. White Plume Mountain is an almost perfectly conical volcanic hill formed from an ancient slow lava leakage. It is about 1,000 yards in diameter at the base, and rises about 800 feet above
coinciding with the wind cycle. If it were not for the continuous roaring of the Plume, this whistling could be heard for a great distance. The cave is about 8 feet in diameter and 40 feet long. At the
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
-foot-wide column in the middle of a 75-foot-diameter cavern. Both the cavern and the outpost are unlit. A secret door in the column’s base leads to the tower interior, but finding it requires a
(leaving the mage and eight drow to staff the outpost). Use the drow pursuit rules in chapter 2, and assume a pursuit level of 4. Drow Patrol B The characters encounter a drow elite warrior and 1d8
Compendium
- Sources->Dungeons & Dragons->Tyranny of Dragons
boulders at this end of the field are all at least 2 feet in diameter and weigh 500 pounds or more. The cyclopes speak only Giant. If any character addresses them in that language, they ignore any
questions but explain the rules of their game: the characters’ boulder must fly farther than the cyclops’s. How the characters accomplish this is unimportant to the cyclopes, but the boulder can’t be
Compendium
- Sources->Dungeons & Dragons->Rise of Tiamat
boulders at this end of the field are all at least 2 feet in diameter and weigh 500 pounds or more. The cyclopes speak only Giant. If any character addresses them in that language, they ignore any
questions but explain the rules of their game: the characters’ boulder must fly farther than the cyclops’s. How the characters accomplish this is unimportant to the cyclopes, but the boulder can’t be
Compendium
- Sources->Dungeons & Dragons->The Wild Beyond the Witchlight
challenge the monarch for the right to rule. The grounds are 20 feet in diameter. Combatants are shackled by one wrist or ankle to a 10-foot length of chain attached to the tree. Each chain has AC 19
, 11 hit points, and immunity to poison and psychic damage. Using an action, a creature can pull a chain free of the tree with a successful DC 17 Strength (Athletics) check. Combat Rules. A trial by
Compendium
- Sources->Dungeons & Dragons->Dragon of Icespire Peak
. Barthen’s doesn’t stock weapons or armor, but characters can purchase other adventuring gear here, with the exception of items that cost more than 25 gp. (For prices, see the Basic Rules.) Characters in need
proprietor, Elmar Barthen, is a lean and balding human man of fifty years. He employs a couple of young clerks (Ander and Thistle) who help load and unload wagons, and who wait on customers when Barthen isn’t
Compendium
- Sources->Dungeons & Dragons->Acquisitions Incorporated
extra cost, and traveling on foot or by means the franchise provides). A majordomo is proficient in Charisma (Persuasion) and two skills of the DM’s choice. The DM is encouraged to use the rules for
band of ex-soldiers or reformed criminals) can add personality to the group. Consider using the rules in chapter 4 of the Dungeon Master’s Guide, applying the results of a single set of rolls to the
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
neutral good priests of Celestian, the enigmatic deity of stars and wanderers on Oerth. Though apprehensive about exploring the complex, the couple are dear friends to Laysa and support her efforts. Talo
characters’ reaction to this revelation, learning it counts as a secret for the purposes of the Power of Secrets rules in this book’s introduction. Francesca Baerald Map 7.2: Tomb Complex
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
60-foot-diameter fountain adorned with eight statues that represent the Dark Seldarine (the drow pantheon). Cracked tiles fanning out from the fountain form a web-like mosaic on the floor.
Guards
hundreds of tiny, interlocking stone gears. The rules of this gate are as follows: Any creature that inspects the frame and succeeds on a DC 15 Wisdom (Perception) check sees that one of the gears has
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
ledge was added after several goblins were crushed underfoot by careless hill giants and ogres.) A wooden ladder climbs up to the ledge, and windows a couple of feet above the ledge let shafts of
barrels lie around and underneath them. Refuse covers the dried mud floor, in the middle of which are two 20-foot-diameter circular holes topped with crisscrossing wooden beams held in place by mud cement
Compendium
- Sources->Dungeons & Dragons->The Wild Beyond the Witchlight
characters corner her, Kettlesteam tells her story in the voice she stole from Candlefoot: Many years ago, she made a fey pact with Zybilna, the archfey who rules the Feywild domain of Prismeer. Recently
useful in chapter 4 (see the “Fey Beacons” section). Once he regains his voice, Candlefoot seeks out Palasha and proposes marriage to her. Reuniting the couple causes the carnival’s mood to rise by 2
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
5-foot-diameter, crimson, semitranslucent crystal sphere in a low stand. A door in the side of each sphere opens when a creature that has telepathy approaches within 5 feet of it; half the door swings
ceremorph (see appendix C) is equipped with two nonmagical items: Laser Pistol. Rules for laser pistols appear in the Dungeon Master’s Guide. This weapon can fire 33 shots before its energy cell is
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
Magic Item Categories Every magic item belongs to a category. The Magic Item Categories table lists the nine categories and provides examples. Rules for the categories appear after the table. Magic
and attempt to activate it unless its description notes otherwise. Staffs Items in the Staff category vary widely in appearance: some are of nearly equal diameter throughout and smooth, others are
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
orb measures 12 inches in diameter, weighs 10 pounds, and has a solid outer shell. The orb detonates 1d100 hours after its creation, releasing the elemental energy it contains. The orb gives no
and debris batter it. The wind is strong enough to uproot weak trees and destroy light structures after at least 10 minutes of exposure. Otherwise, the rules for strong wind apply, as detailed in
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
sunlight, and creatures averse to sunlight are affected by it. The gargoyle heads are 5 feet tall and 5 feet wide, with mouths that are 2 feet in diameter. Behind each head, an airtight stone valve blocks a
fully immersed in wine. After 12 rounds, the wine fills the tomb. Use the underwater combat rules in chapter 9 of the Player’s Handbook to handle fighting in these conditions. Visibility within the
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
unlock this gate.”
Gong. A 3-foot-diameter bronze gong hangs from a sturdy wooden frame anchored to the floor near the west wall. The gong is embossed with carvings of ears of corn. A padded wooden
arch’s gold inlay can’t be removed. The rules of this gate are as follows: The gate opens for 1 minute when a real or illusory dragon touches the arch. An artistic rendering of a dragon, such as a
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
39. Arcturia’s Boudoirs Mounted above the double door to these chambers is a 4-foot-diameter, 2-inch-thick disk of black stone upon which is engraved a white symbol depicting a bony human hand. A
. The arch is one of Halaster’s magic gates (see “Gates”). Its rules are as follows: If three humanoids hold hands while standing within 5 feet of the gate, it opens for 1 minute. Characters must be
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
Words of the Oracle Etched into the floor of area 11 and hidden under a thin layer of frost is a 20-foot-diameter, mithral-inlaid circle inscribed with the kong (king) rune (see "Giant Runes" in the
, and she needs your help.”
Who rules in Hekaton’s stead? “His daughter, Serissa.”
What befell Hekaton? “He was misled by his eldest daughters, Mirran and Nym, who covet his throne.”
Are Mirran and
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
, communicate your expectations about these rules to the players ahead of time. If you don’t plan on tracking Rations, tell your players that before they spend an hour purchasing supplies for their
a few hours, a day, or a couple of days to the current stage of the journey), here are some other consequences you can impose if characters fail to overcome or bypass an obstacle: Combat Encounter
Compendium
- Sources->Dungeons & Dragons->Dragons of Stormwreck Isle
of kobolds. These small, reptilian folk eye you curiously while a couple of humans watch from a distance. All the cloister’s residents are dressed in simple clothes, and no one carries a visible
, heal, and get information they need for the next part of their adventures. In addition, they can buy any of the equipment described in the Basic Rules from Myla (see “Kobolds”). During their time at