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Returning 35 results for 'some of rules diameter visible'.
Spells
Player’s Handbook
diameter. You can orient the portal in any direction you choose. The portal lasts for the duration, and the portal’s destination is visible through it.
The portal has a front and a back on
Monsters
Spelljammer: Adventures in Space
object.
Crew of the Last Breath. The following rules apply to Agony the ghost:
As long as the Last Breath has at least 1 hit point, the ghost can’t be permanently slain. If the ghost is reduced
Plane, or vice versa. It is visible on the Material Plane while it is in the Border Ethereal, and vice versa, yet it can't affect or be affected by anything on the other plane.
Horrifying Visage
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
Arcane Gate
Legacy
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Spells
Player’s Handbook (2014)
circular portal, 10 feet in diameter, opens over each point. If the portal would open in the space occupied by a creature, the spell fails, and the casting is lost. The portals are two-dimensional
glowing rings filled with mist, hovering inches from the ground and perpendicular to it at the points you choose. A ring is visible only from one side (your choice), which is the side that functions as a
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
Hexblood
Legacy
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Species
Van Richten’s Guide to Ravenloft
unusual crown, often called an eldercross or a witch’s turn. This living, garland-like part of a hexblood’s body extends from their temples and wraps behind the head, serving as a visible
player, unless the DM rules otherwise.
Creating Your Character
At 1st level, you choose whether your character is a member of the human race or of one of the game’s fantastical races
Baphomet
Legacy
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Monsters
Out of the Abyss
, the Horned King and the Prince of Beasts. He rules over minotaur;minotaurs and others with savage hearts. He is worshiped by those who want to break the confines of civility and unleash their bestial
become frightened and disoriented, as though constantly under threat of being hunted, and might lash out or panic even when no visible threat is nearby.
If a humanoid spends at least 1 hour within 1 mile
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
21. Night and Day Timekeeper. Four pillars support the 20-foot-high ceiling. An iron ring 20 feet in diameter is suspended from iron brackets affixed to the tops of the pillars so that it hangs
parallel to the floor 20 feet below. Nested inside this ring is a circular iron disk of slightly smaller diameter with a symbol of the sun embossed on one side and a symbol of the moon on the opposite side
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
wall at the south end of the cave. The arch is not visible from the cave entrance because of the webs concealing it.)
The driders while away the days carving zurkhwood figurines and writing poems on
Compendium
- Sources->Dungeons & Dragons->Player's Handbook (2014)
duration. Choose two points on the ground that you can see, one point within 10 feet of you and one point within 500 feet of you. A circular portal, 10 feet in diameter, opens over each point. If the
perpendicular to it at the points you choose. A ring is visible only from one side (your choice), which is the side that functions as a portal. Any creature or object entering the portal exits from the
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
diameter. You can orient the portal in any direction you choose. The portal lasts for the duration, and the portal’s destination is visible through it. The portal has a front and a back on each plane where
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
Approaching the Spire When the characters come within sight of the section of the spire that’s visible on the surface, read: A twenty-foot-high, irregularly shaped spur of rock juts out of the tundra
a larger structure that continues underground. Slippery Entrance Characters who search the area around the protrusion find a slippery, 5-foot-diameter tunnel that enters the ground at a steep angle
Compendium
- Sources->Dungeons & Dragons->Player’s Handbook
diameter. You can orient the portal in any direction you choose. The portal lasts for the duration, and the portal’s destination is visible through it. The portal has a front and a back on each plane where
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7
. Describe the gem, once it is wiped clean and visible, as an oval diamond, with two flat and polished sides, very clear, and about 1 inch in diameter by a quarter-inch thick. It will operate only twelve times, then shatter.
Compendium
- Sources->Dungeons & Dragons->Dragon of Icespire Peak
H1. Narrow Trail This narrow trail clings to the mountainside as it twists around and up to the gatehouse. Tracks from horses coming and going along the trail are clearly visible. Characters must
-long stretch of it is buried under rubble that is difficult terrain (see the Basic Rules). Reaching the Gatehouse.The trail ends at the outer door of the gatehouse. This door can be barred shut from
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->Tales from the Yawning Portal->a4
keyhole on the inside of the door will unlock it. In the room, suspended from the ceiling by unbreakable wires, are nine silvered glass spheres, each about 2 feet in diameter. Unless otherwise noted
1 through 9 for your own reference. The globes contain the following items: Sphere 1. Three folded-up shadows, 300 worthless lead pieces, and a false key. (The shadows aren’t visible to magical
Compendium
- Sources->Dungeons & Dragons->The Wild Beyond the Witchlight
feet deep, but the bottom is not visible through the murk. Four of the five stepstones are boulders sunk deep in the mire. The middle stepstone is actually the top of a galeb duhr. If someone steps on it
). If the characters offer the bullywugs nothing in return for their help, the bullywugs take no offense. They don’t expect foreigners to honor the rule of reciprocity (see “Rules of Conduct” earlier in the chapter).
Compendium
- Sources->Dungeons & Dragons->Dragons of Stormwreck Isle
Sparkrender’s Kobold Allies The kobolds who joined forces with Sparkrender are lawful evil and cruel. Their initial reaction toward outsiders is hostile (see “Social Interaction” in the Basic Rules
around inside the tower (area D6) since then. Caved-In Wall. Though the kobolds have been trying to tidy the ruins, Sparkrender specifically told them not to clean up the newly caved-in wall at the base of the observatory tower (area D6). The caved-in wall is visible from area D3.
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
establish telepathic communication to allow everyone to speak freely. The guards aren’t observant enough to notice. You might wish to consult the social interaction rules in the Dungeon Master’s Guide
from the hanging guard tower across the rope bridge, visible through the locked gate. The cell has some sort of antimagic effect on it (see area 11 for details). Jorlan the drow warrior suffered
Compendium
- Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft
Noteworthy Features Those familiar with Hazlan know the following facts: The wizard Hazlik rules Hazlan. His apprentices have free rein to exploit the land and its people to further their magical
visible effects of magical disasters disfigure the domain, from rivers poisoned by alchemical runoff to craters caused by magical explosions. Creatures warped by magical experiments infest the domain
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
remains of a scaladar and smaller, unidentifiable constructs litter the floor.
Shockerstomper. Not visible from the cavern entrance is a Gargantuan contraption made of wood, metal, and stone. It looms
in the northeastern alcove.
Shockerstomper consists of a 30-foot-diameter, saucer-shaped platform mounted atop seven mechanical legs. Crowning the platform are three spherical turrets, each with a
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->Vecna: Eve of Ruin
behind him and pulls him through. Visible within the rift is a smoky, red-tinged skyline full of mountains. Kas’s Secret. As Kas is pulled back to Tovag, the characters’ links to Vecna flare. The
Vecna’s location in an attempt to save his life. It’s up to the characters what happens to Kas next. Learning Vecna’s location counts as a secret for the purposes of the Power of Secrets rules, and it allows the characters to move on to the next chapter of the adventure.
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
15. Ruined Armory Chasm. The air is hot and dry. A crumbling ledge overlooks a great chasm brightly lit by a bubbling pool of lava 30 feet below. Visible from this location is a spectral bridge that
pounds. The rules of this gate are as follows: Only one piece of the arch can be removed at any given time. A detect magic spell reveals that one of the pieces (determined randomly) is magical. When that
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
above the stone floor. All the visible items are trapped within the body of a gelatinous cube named Glabbagool — or at least, that’s what it has chosen to call itself. Unlike most gelatinous cubes
, this monster has an Intelligence of 10 (+0) and telepathy out to a range of 60 feet (see the Monster Manual introduction for telepathy rules). Juiblex’s arrival in the Underdark has granted Glabbagool
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->Storm King's Thunder
and her horn are visible, and only to characters who have a passive Wisdom (Perception) score of 17 or higher. Any character who searches that corner of the room spots the dragon automatically. Iymrith
glares down at a 20-foot-diameter hole in the sandstone floor. The hole represents the top of an 800-foot-deep shaft, the bottom quarter of which is filled with sand and old bones (previous sacrifices to
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
stalagmites have been sawed off, and a lintel stone rests atop them. Chiseled into the lintel stone are the words “DON THE CRYSTAL CROWN” in Dwarvish. The rules of this gate are as follows: The gate
gate might open just long enough to expel 1d4 + 2 trolls and an equal number of chickens. The trolls immediately chase the chickens — or any other visible food source.
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
it, becoming visible as they do so.
Bunk Beds. Four stone bunk beds are pushed against the long walls of the room.
The arch is one of Halaster’s magic gates (see “Gates”). Its rules are as follows
Compendium
- Sources->Dungeons & Dragons->Lost Mine of Phandelver
from a submerged rope attached along the south wall of the cistern, about 2 feet below the surface of the water. It’s not visible from above the water, but can be found with a successful DC 15 Wisdom
area 2 take notice if the characters make a lot of noise here. They creep into the room, gaining surprise if the characters don’t hear them (see “Surprise” in the Basic Rules). If the ruffians fight in
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
Narration in Combat Although it’s important that the players understand what’s going on in terms of the rules, the game can get dull if everyone uses only “gamespeak”: “That’s an 18 to hit,” “You hit
; now roll damage,” “11 points,” and “OK, now we’re to Initiative count 13.” Instead, use the rules and your knowledge of the scene to help your narration. If 18 is barely a hit, but the 11 points of
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
, flumphs, and stirges (see “Arch Gate” below).
Guard. An invisible nycaloth stands against the south wall, protecting the arch gate. The nycaloth becomes visible when it attacks or casts a spell.
The
. Arch Gate. The arch is one of Halaster’s magic gates (see “Gates”). Its rules are as follows: If a creature flies or levitates within 5 feet of the arch, the gate opens for 1 minute. Characters must be
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