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Returning 35 results for 'being both diameter cousins 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
Species
Mordenkainen Presents: Monsters of the Multiverse
Neither bugs nor bears, bugbears are the hulking cousins of goblins and hobgoblins. With roots in the Feywild, early bugbears resided in hidden places, in hard-to-reach and shadowed spaces. Long ago
character is a member of the human race or of a fantastical race. If you select a fantastical race, follow these additional rules during character creation.
Ability Score Increases
When determining
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
Deep Dragon Wyrmling
Legacy
This doesn't reflect the latest rules and lore.
Learn More
Monsters
Fizban's Treasury of Dragons
nightmarish cousins of chromatic dragons. The warped magical energy of their subterranean realm gives them the ability to exhale magical spores that instill fear and scar the mind.
Deep dragons&rsquo
it to the surface world. Lost and confused, the wyrmling has been captured by a group of cruel adventurers.
3
A deep dragon wyrmling whimsically rules over a worshipful group of kobolds, sending
Monsters
Fizban's Treasury of Dragons
Tunneler. The dragon can burrow through solid rock at half its burrowing speed and can leave a 10-foot-diameter tunnel in its wake.Bite. Melee Weapon Attack: +4;{"diceNotation":"1d20+4", "rollType
; attentiveness to unusual events makes them particularly useful to their sapphire dragon cousins, who hunt down Aberrations and seek evidence of Far Realm incursions into the Material Plane. These gem
Species
Mordenkainen Presents: Monsters of the Multiverse
Distant cousins of giants, the first firbolgs wandered the primeval forests of the multiverse, and the magic of those forests entwined itself with the firbolgs’ souls. Centuries later, that
Character
At 1st level, you choose whether your character is a member of the human race or of a fantastical race. If you select a fantastical race, follow these additional rules during character
Species
Mordenkainen Presents: Monsters of the Multiverse
Once members of a people who escaped servitude to mind flayers, githyanki split from their cousins, githzerai, and fled to the Astral Plane. In that timeless, silvery realm, githyanki honed their
race. If you select a fantastical race, follow these additional rules during character creation.
Ability Score Increases
When determining your character’s ability scores, increase one score
Species
Mordenkainen Presents: Monsters of the Multiverse
hobgoblin legions have emerged, with ranks of devoted soldiers famed for their unity.
Hobgoblins are generally taller than their goblin cousins but not quite as big as bugbears. They have curved
fantastical race. If you select a fantastical race, follow these additional rules during character creation.
Ability Score Increases
When determining your character’s ability scores, increase one score
Species
Mordenkainen Presents: Monsters of the Multiverse
Githzerai migrated to the Everchanging Chaos of Limbo after the ancient schism that split their ancestors from their cousins, githyanki. Limbo is a roiling maelstrom of matter and energy, collapsing
choose whether your character is a member of the human race or of a fantastical race. If you select a fantastical race, follow these additional rules during character creation.
Ability Score
Species
Mordenkainen Presents: Monsters of the Multiverse
The saurian lizardfolk are thought by some sages to be distant cousins of dragonborn and kobolds. Despite their resemblance to those other scaled folk, however, lizardfolk are their own people and
level, you choose whether your character is a member of the human race or of a fantastical race. If you select a fantastical race, follow these additional rules during character creation.
Ability Score
Monsters
Fizban's Treasury of Dragons
Tunneler. The dragon can burrow through solid rock at half its burrowing speed and can leave a 10-foot-diameter tunnel in its wake.Multiattack. The dragon makes one Bite attack and two Claw attacks
’ attentiveness to unusual events makes them particularly useful to their sapphire dragon cousins, who hunt down Aberrations and seek evidence of Far Realm incursions into the Material Plane
Compendium
- Sources->Dungeons & Dragons->Wayfinder's Guide to Eberron
to flourish in Brelish cities and churches. The Sovereign Host is the dominant religion of Breland, but in general the Brelish aren’t as devout as their cousins in other nations. King Boranel ir’Wynarn
of Breland rules in conjunction with an elected parliament. Boranel is a popular leader celebrated for his exploits during the Last War. But his children have yet to prove themselves, and there is a growing movement that advocates abandoning royal rule when Boranel passes.
Kobold
Legacy
This doesn't reflect the latest rules and lore.
Learn More
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
’s mother is. This practice and the communal raising of the hatchlings mean that the tribe operates like a group of cousins.
Because they lay eggs, and the eggs don’t require much tending
Compendium
- Sources->Dungeons & Dragons->Monster Manual (2014)
overwhelming — numbers. They crave power and regularly abuse whatever authority they obtain. Goblinoids. Goblins belong to a family of creatures called goblinoids. Their larger cousins, hobgoblins
than a glorified goblin boss) rules hundreds of goblins, spread out among multiple lairs to ensure the tribe’s survival. Goblin bosses are easily ousted, and many goblin tribes are taken over by
Compendium
- Sources->Dungeons & Dragons->Sword Coast Adventurer’s Guide
by their gold dwarf cousins. Shield dwarf crafters build to last, and each one’s signature mark placed upon an enduring masterpiece serves as a way of gaining immortality. DWARF CLANS OF THE NORTH
, Worldthrone, Wyrmslayer, and Yund.
Some dwarves hail from the family that founded or rules a given clan, and so they use the clan name as their family name. Others are simply “of” the clan, but bear the clan name with as much pride as their own surnames.
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
Monsters
Fizban's Treasury of Dragons
and using Intelligence as the spellcasting ability (spell save DC 17).
Tunneler. The dragon can burrow through solid rock at half its burrowing speed and can leave a 15-foot-diameter tunnel in its
; attentiveness to unusual events makes them particularly useful to their sapphire dragon cousins, who hunt down Aberrations and seek evidence of Far Realm incursions into the Material Plane. These gem dragons
Monsters
Fizban's Treasury of Dragons
-foot-diameter tunnel in its wake.
Warp Perception (1/Day). The dragon can cast mirage arcane, requiring no spell components and using Intelligence as the spellcasting ability.Multiattack. The dragon
events makes them particularly useful to their sapphire dragon cousins, who hunt down Aberrations and seek evidence of Far Realm incursions into the Material Plane. These gem dragons often work
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->Bigby Presents: Glory of the Giants
. The Many Meanings of “Giant”
The word “giant” has multiple meanings in English and in the rules of D&D, opening the possibility of some confusion.
As a rule, when this book talks about “giants
not capitalized or otherwise qualified.
“Giant” is also a creature type in the D&D rules, and as such, it’s capitalized whenever it’s used. This book usually refers to “creatures of the Giant type” to
Compendium
- Sources->Dungeons & Dragons->Sword Coast Adventurer’s Guide
: fierceness, cunning, courage, strength, and sailing skill.
Gundarlun The fisherfolk and merchants of Gundarlun are more like their mainland cousins than most island folk. Unlike other Northlanders, they are
like any sailor with sense, I’ve avoided the island by a great distance, so I can’t tell you which bloodthirsty knave currently rules the roost. The Whalebones The tiny outcrops that make up the
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






