Search Results
All Results
Characters
Compendium
Spells
Items
Monsters
Vehicles
Forums
Returning 35 results for 'both being diameter could rules'.
Other Suggestions:
both being diameter cold rolls
boat being diameter cold rolls
body being diameter cold rolls
boat being diameter cloud rolls
body being diameter cloud rolls
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->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->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->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->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->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->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->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->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->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->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->Dragonlance: Shadow of the Dragon Queen
doors in the room should lead outside, no other entrances into the Barb were visible from the exterior. A Spellbook Emblazoned with the
Symbol of the Mages of High Sorcery Rules of the Trial Rovina
in diameter, with a door on the wall opposite the characters and the pedestal at the center. The door is locked and can be opened only by the key at the center of the rotunda or by casting the knock
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
60-foot-diameter hut with a beaded curtain entrance in the northeast wall, facing an outdoor campfire. The interior of the hut is one large chamber dominated by a shallow, 10-foot-diameter, circular
: General Features” sidebar for rules on opening doors and lifting portcullises). From the room beyond comes the sound of rushing water from the nearby river. The passage leads to a cold, dark, and vast
compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
copper that has turned green with age. It is 4 feet wide, has a mouth 3½ feet in diameter, weighs 50 pounds, and can hold up to 30 gallons of liquid. Embossed on its bulging sides are images of satyrs and
with an Intelligence score of 3 or higher)
This crystal grants you telepathy for as long as you remain attuned to it. See the introduction of the Monster Manual for rules on how this telepathy works
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
. The rival team is composed of six galvan magen in white garments. All these magen are magically summoned to the field. The rules of Chain Lightning are summarized in the accompanying sidebar. If the
characters aren’t familiar with the rules, they have disadvantage on all skill checks made to play the game. (A written copy of the game’s rules can be found in area Y9.) When the game ends, the
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
dark, icicle-festooned roof of the great ice cavern beyond.
Silver light emanates from a three-foot-diameter glass orb situated atop a two-foot-high cylindrical stone plinth in the center of a thirty
-foot-diameter, rubble-strewn circular chamber. Eyeballs drift inside the orb, like fish in a bowl. Some have cataracts, while others are bloodshot or pus-filled, but all turn and gaze at you as you
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
the graven image of an old man clutching a staff. The rules of this gate are as follows: Tapping the arch three times with a staff of any kind causes the gate to open for 1 minute. Characters must be
toads lurk in the far corners of the room. They leap forward and attack anyone not accompanied by Wyllow.
Calendar Stone. Set into the floor is a 15-foot-diameter stone device engraved with a
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
several broken wine bottles, is a mostly incinerated skeleton and a round, frost-covered object about six inches in diameter.
The important features of this room are the charred book, the partially
gold, and the pendant bears the symbol of two hands cupping the sun. Summer Star Summer Star. This magic item looks like a 6-inch-diameter gyroscope featuring two scorched rings inlaid with runes and a
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
the palace are summarized here. Ceilings. The ceilings throughout the palace are 20 feet high. Doors. The palace is sealed off by 7-foot-diameter circular doors, each one made of riveted iron plates
in the west wall is one of Halaster’s magic gates (see “Gates”). Its rules are as follows: The gate opens for 1 minute if a creature stands within 5 feet of the arch and either sings a D note or plays
Compendium
- Sources->Dungeons & Dragons->Vecna: Eve of Ruin
of the characters’ reaction to this revelation, learning it counts as a secret for the purposes of the Power of Secrets rules. At your discretion, if the characters help Naxa return to her sister and
. The room’s west end contains a jumble of stones stacked to create a vertical ring about five feet in diameter. A sleek staff—the Rod of Seven Parts—is jammed between two encircling stones like a
Compendium
- Sources->Dungeons & Dragons->The Wild Beyond the Witchlight
distance. If they investigate, they come to an o’-well that is 10 feet tall and 5 feet in diameter. A steady geyser of water shoots from the well, rising to a height of 30 feet above the well. Characters
of reciprocity dictates that guests repay her kindness (see “Rules of Conduct” earlier in the chapter). If the characters aren’t sure what to give her, Tsu says, “Any old trinket will do.” If the
Compendium
- Sources->Dungeons & Dragons->The Wild Beyond the Witchlight
shaft in pursuit, emerging from the well and thus unplugging it. The cylinder is 10 feet high and 10 feet in diameter. When it is lured out of the well or killed, the flow of water resumes in a torrent
desperation compels you to enter my home, little darlings?”
See “Dealing with Bavlorna” below for advice on how to run an encounter with the hag, keeping in mind the rules of hospitality, ownership, and
Compendium
- Sources->Dungeons & Dragons->Planescape: Adventures in the Multiverse->Turn of Fortune’s Wheel
spacefaring pirates in the Astral Sea. The rules are as follows: Each participant’s player chooses any number of d6s (known as “bones”) and shakes them in a cup. You choose any number of d6s as well
shaped like an icosahedron that rolls itself on the table once all bets have been placed to determine the outcome. The rules are as follows: Participant Bets. Participants bet on one or more numbers
Compendium
- Sources->Dungeons & Dragons->Tomb of Annihilation
2nd level (3 slots): gust of wind, hold person, lesser restoration
3rd level (2 slots): call lightning, wind wall
The aarakocra of Kir Sabal lead ritualistic lives and follow strict rules of
behavior laid down by tradition and the Teacher. To a large extent, the rules and rituals have taken on a life of their own irrespective of any religious observance. If the characters approach peacefully
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dragon Heist
while Xanathar watchessilently. Rules for running a tournament are described at the end of this chapter (see “Blood and Fortune”). If a character joins the tournament and wins, or defeats its
reveals that these are Underdark spores. A 20-foot-diameter fishbowl dominates the room. Filled with water, it also contains a small coral reef, a miniature shipwreck, and a sunken treasure chest. A