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Returning 35 results for 'count diameter'.
Magic Items
Dungeon Master’s Guide
possible, understands your languages, obeys your commands, and takes its turn immediately after you on your Initiative count. The elemental disappears after 1 hour, when it dies, or when you dismiss it
as a Bonus Action. The bowl can’t be used this way again until the next dawn.
The bowl is about 1 foot in diameter and half as deep. It holds about 3 gallons.
Monsters
Planescape: Adventures in the Multiverse
the effect on itself after it succeeds on three of these saves.
Time Gate (1/Day). The dragon conjures a 20-foot-diameter, circular portal in the space between its horns or in an unoccupied space it
challenge rating of an ancient or adult time dragon;adult time dragon increases by 1 when it’s encountered in its lair.
Lair Actions
On initiative count 20 (losing initiative ties), the
Yeenoghu
Legacy
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Monsters
Out of the Abyss
of civilization on his layer of the Abyss.
Lair Actions
On initiative count 20 (losing initiative ties), Yeenoghu can take a lair action to cause one of the following effects; he can’t use the
same effect two rounds in a row.
Yeenoghu causes an iron spike—5 feet tall and 1 inch in diameter—to burst from the ground at a point he can see within 100 feet of him. Any creature in
Monsters
Mordenkainen Presents: Monsters of the Multiverse
initiative count 20 (losing initiative ties), Yeenoghu can take one of the following lair actions; he can’t take the same lair action two rounds in a row:
Incite the Pack. Until the next initiative
count 20, all gnoll;gnolls and hyena;hyenas within the lair are enraged, causing them to have advantage on melee weapon attack rolls and causing attack rolls to have advantage against them.
Iron Spike
Monsters
Princes of the Apocalypse
(such as the Weeping Colossus in chapter 5). On initiative count 20 (losing initiative ties), Imix uses his lair action to cause one of the following effects:
Any fires in the lair flare up
initiative count 20 of the next round. Creatures and objects within or beyond the smoke are heavily obscured. A creature that enters the cloud of embers for the first time on a turn or starts its turn
Monsters
Mordenkainen Presents: Monsters of the Multiverse
ooze at Juiblex’s command.
Juiblex’s challenge rating is 24 (62,000 XP) when encountered in its lair.
Lair Actions
On initiative count 20 (losing initiative ties), Juiblex can take one
, this creature can move up to 20 feet through spaces no more than an inch in diameter. It must end this movement in a space that can accommodate its full size. Otherwise, it takes 5 force damage and
Monsters
Fizban's Treasury of Dragons
than a foot in diameter that extend six to ten feet from the interior stone surfaces of the lair. These crystals resonate with the dragon’s presence, and glow with a soft inner light. The older
their lairs.
The challenge rating of a legendary amethyst dragon increases by 1 when it’s encountered in its lair.
Lair Actions
On initiative count 20 (losing initiative ties), the dragon can
Monsters
Icewind Dale: Rime of the Frostmaiden
the effect on itself on a success.Third Form
Auril’s third form, called Winter’s Womb or the Queen of Frozen Tears by her most ardent followers, is a 3-foot-diameter ice diamond containing
the regional effects that encompass the island.
While she’s on the island, the Frostmaiden can take one of the following lair actions on initiative count 20 (losing initiative ties):
Auril
Monsters
Fizban's Treasury of Dragons
split open to show their contents and clusters of crystal points more than a foot in diameter that extend six to ten feet from the interior stone surfaces of the lair. These crystals resonate with the
Actions
On initiative count 20 (losing initiative ties), the dragon can take one of the following lair actions; the dragon can’t take the same lair action two rounds in a row:
Beguiling Whisper
Monsters
Waterdeep: Dungeon of the Mad Mage
master of Undermountain, Halaster can alter the entire dungeon to some extent. His lair actions and regional effects don’t extend beyond Undermountain.
Lair Actions
On initiative count 20
ghostly, 1-foot-diameter humanoid eye surrounded by motes of light. The sensor is stationary, though Halaster can reorient the eye to face in any direction. Halaster can see through the eye as though he
Monsters
Fizban's Treasury of Dragons
needing to make an ability check.
Tunneler. The dragon can burrow through solid rock at half its burrowing speed and can leave a 20-foot-diameter tunnel in its wake.Multiattack. The dragon makes one
stone to come and go.
The challenge rating of a legendary sapphire dragon increases by 1 when it’s encountered in its lair.
Lair Actions
On initiative count 20 (losing initiative ties), the
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
appears in an unoccupied space as close to the bowl as possible, understands your languages, obeys your commands, and takes its turn immediately after you on your Initiative count. The elemental
disappears after 1 hour, when it dies, or when you dismiss it as a Bonus Action. The bowl can’t be used this way again until the next dawn. The bowl is about 1 foot in diameter and half as deep. It holds about 3 gallons.
Magic Items
Tasha’s Cauldron of Everything
inverting and exploding into a 50-foot-diameter portal. This portal functions as a permanent gate spell cast by Iggwilv. The gate then, once per round on initiative count 20, audibly speaks a fiend&rsquo
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
legendary emerald dragon increases by 1 when it’s encountered in its lair.
Lair Actions
On initiative count 20 (losing initiative ties), the dragon can take one of the following lair actions; the
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
from mundane and magical sight.
The challenge rating of a legendary emerald dragon increases by 1 when it’s encountered in its lair.
Lair Actions
On initiative count 20 (losing initiative
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
appears in an unoccupied space as close to the bowl as possible, understands your languages, obeys your commands, and takes its turn immediately after you on your Initiative count. The elemental
disappears after 1 hour, when it dies, or when you dismiss it as a Bonus Action. The bowl can’t be used this way again until the next dawn. The bowl is about 1 foot in diameter and half as deep. It holds
Monsters
Fizban's Treasury of Dragons
needing to make an ability check.
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
legendary sapphire dragon increases by 1 when it’s encountered in its lair.
Lair Actions
On initiative count 20 (losing initiative ties), the dragon can take one of the following lair actions
Compendium
- Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes
lair is a place of blood and death, populated by gnolls, hyenas, and ghouls, and there are few structures or signs of civilization on his layer of the Abyss. Lair Actions On initiative count 20
diameter — to burst from the ground at a point he can see within 100 feet of him. Any creature in the space where the spike emerges must make a DC 24 Dexterity saving throw. On a failed save, the
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
lair is a place of blood and death, populated by gnolls, hyenas, and ghouls, and there are few structures or signs of civilization on his layer of the Abyss. Lair Actions On initiative count 20
diameter — to burst from the ground at a point he can see within 100 feet of him. Any creature in the space where the spike emerges must make a DC 24 Dexterity saving throw. On a failed save, the
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
initiative count 20 (losing initiative ties), Halaster takes a lair action to cause one of the following effects: Halaster targets a volume of unoccupied space or solid stone no larger than four 10-foot cubes
, 1-foot-diameter humanoid eye surrounded by motes of light. The sensor is stationary, though Halaster can reorient the eye to face in any direction. Halaster can see through the eye as though he was
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
are chanting in unison. Each one stands next to a black stone pillar and is focused on a roiling fog cloud, 8 feet in diameter, that floats at the center of the room 10 feet above the floor. Lines of
damage from it. Surprise! Each time a cult fanatic dies, a shadow assassin (see appendix A) rises from the fanatic’s corpse and joins the battle, acting on the same initiative count as the fanatic
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
west and east walls. When that happens, all creatures in the hallway or the adjacent rooms must roll initiative. On initiative count 15, a 40-foot-diameter sphere of solid granite phases out of the
8A) animates and uses its outstretched arms to stop the sphere before it slams into the wall around the alcove. Each round thereafter on initiative count 15, the statue moves 20 feet northward
Compendium
- Sources->Dungeons & Dragons->The Book of Many Things
trap room deals damage to every creature in the area. On initiative count 20 (losing ties), each creature in the area takes 5 (1d10) radiant damage. Talons Pedestal The silver orb, which is 1 foot in
diameter, can’t be removed while the talons clutch it. The pedestal is trapped. Touching the silver orb causes the talons to snap closed. A creature that tries to take the orb takes 11 (2d10) slashing
Compendium
- Sources->Dungeons & Dragons->Curse of Strahd
can reroll initiative, but the heart’s initiative count doesn’t change. The awakened tower shakes and pitches on the Heart of Sorrow’s initiative count. Any creature on the stairs or hanging on a
succeed automatically. The Heart of Sorrow is a 10-foot-diameter red crystal heart that floats near the top of the tower. Characters standing on the nearby stairs can make melee attacks against the heart
Compendium
- Sources->Dungeons & Dragons->Monsters of the Multiverse
there are few structures or signs of civilization on his layer of the Abyss. The challenge rating of Yeenoghu is 25 (75,000 XP) when he’s encountered in his lair. Lair Actions On initiative count 20
(losing initiative ties), Yeenoghu can take one of the following lair actions; he can’t take the same lair action two rounds in a row: Incite the Pack. Until the next initiative count 20, all gnolls and
Compendium
- Sources->Dungeons & Dragons->Tales from the Yawning Portal->a7
25. Pillared Throne Room You look upon an enormous chamber colored in pastels. A forest of massive, many-hued columns support the ceiling.
Aura. Each of the 3-foot-diameter pillars radiates an
to pulse with reddish lights, growing progressively stronger, brighter and hotter. Roll initiative. On initiative count 1, the stone explodes, absolutely killing any character within a 15-foot radius
Compendium
- Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything
known, is destroyed, its magical matrix inverting and exploding into a 50-foot-diameter portal. This portal functions as a permanent gate spell cast by Iggwilv. The gate then, once per round on
initiative count 20, audibly speaks a fiend’s name in Iggwilv’s voice, doing so until the gate calls on every fiend ever banished by the Crook of Rao. If the fiend still exists, it is drawn through the
Compendium
- Sources->Dungeons & Dragons->Uni and the Hunt for the Lost Horn
from your spellbook. The chosen spells must be of a level for which you have spell slots. If another Wizard feature gives you spells that you always have prepared, those spells don’t count against the
number of spells you can prepare with this feature, but those spells otherwise count as Wizard spells for you. Changing Your Prepared Spells. Whenever you finish a Long Rest, you can change your list
Compendium
- Sources->Dungeons & Dragons->Princes of the Apocalypse
Plane of Fire, or in any elemental fire node (such as the Weeping Colossus in chapter 5). On initiative count 20 (losing initiative ties), Imix uses his lair action to cause one of the following effects
within 120 feet of Imix, lasting until initiative count 20 of the next round. Creatures and objects within or beyond the smoke are heavily obscured. A creature that enters the cloud of embers for the
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
lair actions. On initiative count 20 (losing initiative ties), N’ghathrod can take one lair action to cause one of the following effects:
N’ghathrod creates a magical duplicate of itself anywhere
images and sounds of the Far Realm that last until initiative count 20 on the next round. Any creature that isn’t an aberration that starts its turn inside the ship must succeed on a DC 15 Wisdom saving
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
. The Nether Oak is easily angered and uproots itself if driven to combat. When it attacks, four needle blights spring from the ground to assist it, acting on the same initiative count. Y11. Tower of
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
Compendium
- Sources->Dungeons & Dragons->Monsters of the Multiverse
slimes, and strange organic forms rise from the oceans of ooze at Juiblex’s command. Juiblex’s challenge rating is 24 (62,000 XP) when encountered in its lair. Lair Actions On initiative count 20
to 20 feet through spaces no more than an inch in diameter. It must end this movement in a space that can accommodate its full size. Otherwise, it takes 5 force damage and returns to the space where
Compendium
- Sources->Dungeons & Dragons->Quests from the Infinite Staircase
the sphinx’s platform is 5 feet in diameter. Medium and smaller creatures that fall into the trough must succeed on a DC 15 Strength saving throw or be swept into this opening, which empties into area
looks into the well sees a 10-foot-diameter tunnel below the surface that enters the well from the east side. Water flows into the well through this tunnel. Though the volume of water is high, the
Compendium
- Sources->Dungeons & Dragons->Storm King's Thunder
) hangs from a varnished wooden rod bolted to the door. The rod is mounted 20 feet above the floor, and the banner is 9 feet long. 20. Thullen’s Bedroom Sansuri’s younger brother, Count Thullen, sleeps in
telescopes. Piles of rocks, which the giants use for ammunition, are next to two of the telescopes. A fountain with a spout shaped like a silver dragon bound in chains feeds water into a 40-foot-diameter, 5
Compendium
- Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden
regional effects that encompass the island. While she’s on the island, the Frostmaiden can take one of the following lair actions on initiative count 20 (losing initiative ties): Auril instantly knows the
body turns to slush and melts away. Auril instantly reappears in her second form, in an unoccupied space within 60 feet of where her first form disappeared. Her initiative count doesn’t change