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Returning 35 results for 'being both duplicates causes rules'.
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Monsters
Phandelver and Below: The Shattered Obelisk
causes a cloaker to merge with the rotted corpse of its last meal, resulting in a hideous puppeteering Aberration. The cloaker mutate shrouds its actions in a miasma of phantasmic duplicates. It uses the
, PsychicPhantasmal Duplicates. The mutate magically projects up to four illusory copies of itself. These duplicates make it difficult to ascertain the mutate’s true location and last until the end of
Gazer Familiar
Legacy
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Monsters
Volo's Guide to Monsters
. If its master causes it physical harm, the gazer will end its service as a familiar, breaking the telepathic bond.Bite. Melee Weapon Attack: +5;{"diceNotation":"1d20+5","rollType":"to hit","rollAction
Rays"} (reroll duplicates), choosing one or two targets it can see within 60 feet of it:
1. Dazing Ray. The targeted creature must succeed on a DC 12 Wisdom saving throw or be charmed until the start
Monsters
Mordenkainen Presents: Monsters of the Multiverse
magical eye rays at random (roll two d4s;{"diceNotation":"1d4","rollType":"roll","rollAction":"Eye Rays"}, and reroll duplicates), choosing one or two targets it can see within 60 feet of it:
1: Dazing
they are within 1 mile of each other. If its master causes it physical harm, the gazer will end its service as a familiar, breaking the telepathic bond.
Aggressive. The gazer can move up to its speed toward a hostile creature that it can see.
Monsters
Monstrous Compendium Vol. 2: Dragonlance Creatures
carrying, teleports to an unoccupied space within 30 feet that he can see.Said to be older than the trees themselves, the Forest Master is a wise and powerful unicorn who rules over the creatures of
Briars (Recharge 4–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Erupting Briars"}. The Forest Master touches his horn to the earth and causes a 5-foot-tall wall of briars to erupt
Monsters
Mordenkainen Presents: Monsters of the Multiverse
, the master can sense what the gazer senses as long as they are within 1 mile of each other. If its master causes it physical harm, the gazer will end its service as a familiar, breaking the
following magical eye rays at random (roll two d4s;{"diceNotation":"1d4","rollType":"roll","rollAction":"Eye Rays"}, and reroll duplicates), choosing one or two targets it can see within 60 feet of it:
1
Orcus
Legacy
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Monsters
Out of the Abyss
chapter 7, "Treasure” of the Dungeon Master’s Guide.Orcus’s Lair
Orcus makes his lair in the fortress city of Naratyr, which is on Thanatos, the layer of the Abyss that he rules
action to cause one of the following effects; he can’t use the same effect two rounds in a row:
Orcus’s voice booms throughout the lair. His utterance causes one creature of his choice to
Monsters
Mordenkainen Presents: Monsters of the Multiverse
Dungeon Master’s Guide.Orcus’s Lair
Orcus makes his lair in the fortress city of Naratyr, which is on Thanatos, the layer of the Abyss that he rules. Surrounded by a moat fed by the
’t take the same lair action two rounds in a row:
Deadly Utterance. Orcus’s voice booms throughout the lair. His utterance causes one creature of his choice to be subjected to power word
Magic Items
Princes of the Apocalypse
. Reducing it to 0 hit points causes it to explode instantly.
A special container can be crafted to contain a devastation orb and prevent it from detonating. The container must be inscribed with symbols
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
Monsters
Van Richten’s Guide to Ravenloft
against the attack. If this causes the attack to miss, the attacker is hit by the attack instead.“Evil lurks everywhere. With our minds, we will unearth it, we will plumb its depths, and we will
order’s members became the inquisition’s scholars, represented by a tome.
Today the inquisition rules the city of Malitain, a vast city-state to the north of Barovia’s original site
Deep Dragon Wyrmling
Legacy
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Monsters
Fizban's Treasury of Dragons
; black-and-gray hide is smooth like a salamander’s, and their eyes are pale. As they age, their spore breath causes fungi to bloom across their skin, especially around the head and neck. Their
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
Compendium
- Sources->Dungeons & Dragons->Phandelver and Below: The Shattered Obelisk
Cloaker Mutate The malign energy of the Far Realm causes a cloaker to merge with the rotted corpse of its last meal, resulting in a hideous puppeteering Aberration. The cloaker mutate shrouds its
actions in a miasma of phantasmic duplicates. It uses the corpse melded to its underside to absorb damage and to strike at prey. Cloaker Mutate Large Aberration, Typically Chaotic Neutral
Armor Class
Compendium
- Sources->Dungeons & Dragons->Infernal Machine Rebuild
them to betray the characters if doing so works to their advantage. 10c. This cell is currently empty. 10d. This cell contains magically created duplicates of the thieves in 10b. They also claim to be
the real thieves. (At your determination, these might be the real thieves, with the duplicates in 10b unaware of their true nature.) 10e. Two doppelgangers are being held here for study and as
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
engraved with images of falling coins. The arch’s keystone has a tiny slot in it. This is one of Halaster’s magic gates (see “Gates”), and its rules are as follows: Feeding a gold coin into the slot in the
keystone causes the coin to disappear and the gate to open for 1 minute. Other coins placed in the slot disappear but don’t open the gate. Characters must be 8th level or higher to pass through this
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
tunnel leading east.
The arch is one of Halaster’s gates (see “Gates”). Its rules are as follows: Holding an open book while standing within 5 feet of the arch causes the gate to open for 1 minute. The
Compendium
- Sources->Dungeons & Dragons->Dragon of Icespire Peak
tool can detect the plate with a successful DC 10 Wisdom (Perception) check. The first character to step on the plate causes the walls of the tunnel to collapse inward, burying all creatures in the
tunnel. A buried creature is blinded and restrained, has total cover against attacks, and begins to suffocate when it runs out of breath (see “Suffocation” in the Basic Rules). Only a creature that is
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
Embedded in the wall at the end of the westward hallway is an arch gate (see “Gates”). Close inspection reveals the image of a dead tree carved into its keystone. The rules of this gate are as follows
: Touching the arch with a dead twig or branch causes the gate to open for 1 minute. Characters must be 8th level or higher to pass through this gate (see “Jhesiyra Kestellharp”). The first creature to
Compendium
- Sources->Dungeons & Dragons->Heroes of the Borderlands
Bludgeoning damage.
Rules for detecting and escaping the trap are as follows:
Detecting the Trap. The pit is poorly camouflaged. A character who examines the trapped area easily discovers the pit
in the text, err on the side of leniency and fun. Whenever you think a rule might be necessary, see the D&D Beyond Basic Rules.
Repeat this process for the other areas in this cave, modifying it
Compendium
- Sources->Dungeons & Dragons->Strixhaven: A Curriculum of Chaos
minutes and causes them to sprout little arms and legs. While animate, a cup uses the Scufflecup teacup stat block and does the bidding of whoever animated it. Characters who enter Firejolt Café find
” section in chapter 3.
Scufflecup Rules Each participant fills a teacup with hot tea and places it on the table. The participants then roll initiative. At least one Scufflecup participant is a student who
Compendium
- Sources->Dungeons & Dragons->Out of the Abyss
Orcus’s Lair Orcus makes his lair in the fortress city of Naratyr, which is on Thanatos, the layer of the Abyss that he rules. Surrounded by a moat fed by the River Styx, Naratyr is an eerily quiet
effect two rounds in a row: Orcus’s voice booms throughout the lair. His utterance causes one creature of his choice to be subjected to power word kill. Orcus needn’t see the creature, but he must be
Compendium
- Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes
Orcus’s Lair Orcus makes his lair in the fortress city of Naratyr, which is on Thanatos, the layer of the Abyss that he rules. Surrounded by a moat fed by the River Styx, Naratyr is an eerily quiet
effect two rounds in a row: Orcus’s voice booms throughout the lair. His utterance causes one creature of his choice to be subjected to power word kill. Orcus needn’t see the creature, but he must be
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
is currently in the up position and has the word “Crush” inscribed above it. Moving this lever to the down position causes the pit’s east and west walls to close together, crushing anything between
them. Raising the lever causes the walls to retract. Any creature or object crushed between the walls takes 44 (8d10) bludgeoning damage and is restrained by the walls until they retract. The second
Compendium
- Sources->Dungeons & Dragons->The Wild Beyond the Witchlight
pick a toadstool causes its redcap to rise up out of the earth, outraged at being awakened early. This redcap is not fully formed and has half its normal hit points. Whenever Granny Nightshade’s key
at the thought of having to reciprocate (see “Rules of Conduct” in chapter 2) that it clutches its chest and keels over dead at the start of its next turn.
Compendium
- Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes
adults and elders, have eaten so many memories that they can form duplicates of the creatures they have devoured from the substance of their bodies, sending them off to lure prey into their clutches
, while remaining tethered to the slime by long tendrils of goo. These duplicated creatures are indistinguishable from their victims except for a faint sulfurous smell. Oblexes use these duplicates to lure
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
Level 9 The arch is one of Halaster’s magic gates (see “Gates”). Its rules are as follows: Holding an open book while standing within 5 feet of the arch causes the gate to open for 1 minute. The book
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
around each stalagmite. The runes’ magic poses no danger to adventurers, but it causes weird, permanent transformations in any troll that lingers in this area. (For example, a troll might sprout an extra
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
the south alcove is one of Halaster’s magic gates (see “Gates”). Its rules are as follows: Standing within 5 feet of the arch and imitating the moves of the dancing dwarves carved into it causes the
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
Breaking Objects Objects can be harmed by attacks and by some spells, using the rules below. If an object is exceedingly fragile, the DM may allow a creature to break it automatically with the Attack
object causes the whole thing to collapse. Object Hit Points Size Fragile Resilient Tiny (bottle, lock) 2 (1d4) 5 (2d4) Small (chest, lute) 3 (1d6) 10 (3d6) Medium (barrel, chandelier) 4 (1d8) 18
Compendium
- Sources->Dungeons & Dragons->Infernal Machine Rebuild
duplicates of the creatures they have devoured from the substance of their bodies, sending them off to lure prey into their clutches, while remaining tethered to the slime by long tendrils of goo. These
d6 becomes a d8, and so on until the die becomes a d20, at which point the target becomes unconscious for 1 hour. The effect then ends.
When an oblex causes a target to become memory drained, the
Compendium
- Sources->Dungeons & Dragons->Player’s Handbook
Breaking Objects Objects can be harmed by attacks and by some spells, using the rules below. If an object is exceedingly fragile, the DM may allow a creature to break it automatically with the Attack
object causes the whole thing to collapse. Object Hit Points Size Fragile Resilient Tiny (bottle, lock) 2 (1d4) 5 (2d4) Small (chest, lute) 3 (1d6) 10 (3d6) Medium (barrel, chandelier) 4 (1d8) 18
Compendium
- Sources->Dungeons & Dragons->Heroes of the Borderlands
the region. Use these to enhance your descriptions or handle situations where rules like lighting or terrain are relevant.
The rules glossary in the D&D Beyond Basic Rules defines any capitalized
rules such as Bright Light.
Getting Started
To begin, read the following boxed text aloud:
You travel along a well-kept trail east of the Keep on the Borderlands. Gnarled tree roots and
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
menhir with a hard object or targeting it with a shatter spell deals no damage but causes the standing stone to ring loudly, awakening the demon inside. Nothing else causes these demons to awaken. While
is “Kelserath,” but Halaster changes it every few days. The rules of this gate are as follows: The gate opens for 1 minute if a creature speaks the proper command word within 10 feet of it. Characters
Compendium
- Sources->Dungeons & Dragons->Waterdeep: Dungeon of the Mad Mage
image of a dead tree carved into its keystone. Its rules are as follows: Touching the arch with a dead twig or branch causes the gate to open for 1 minute. Characters must be 6th level or higher to
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
, and deal with the consequences.
A disease that does more than infect a few party members is primarily a plot device. The rules help describe the effects of the disease and how it can be cured, but
the specifics of how a disease works aren’t bound by a common set of rules. Diseases can affect any creature, and a given illness might or might not pass from one race or kind of creature to another
Compendium
- Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes
Dispater The cosmos is a grand game. He who knows its rules the best shall win the prize.
— Dispater
Dispater is the foremost arms dealer of the Nine Hells, and perhaps the greatest weapons
act kills the imp and causes its body to disintegrate before the message can be read. The lord of Dis measures everything in terms of the knowledge it contains and the secrets that can be gleaned
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
magic items. Rules for explosives are given below. Explosives Item Cost Weight Bomb 100 GP 1 lb. Dynamite Stick — 1 lb. Grenade, Fragmentation — 1 lb. Grenade Launcher — 7 lb. Grenade, Smoke 50
(such as the Gust of Wind spell) disperses the smoke. Gunpowder Setting fire to a container full of Gunpowder causes it to explode. When a container explodes, each creature in a 10-foot-radius Sphere