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Returning 35 results for 'both barriers diffusing chance reduced'.
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Magic Items
Dungeon Master’s Guide
When you drink this potion, your physical age is reduced by 1d6 + 6 years, to a minimum of 13 years. Each time you subsequently drink a Potion of Longevity, there is 10 percent cumulative chance that
Magic Items
Dungeon Master’s Guide
from the eye (save DC 18). The table indicates how many charges you must expend to cast the spell. Each time you cast a spell from the eye, there is a 5 percent chance that Vecna tears your soul from
damage on a failed save or half as much damage on a successful one. A creature reduced to 0 Hit Points by this damage is transformed into green slime (see chapter 3) that covers the ground in its
Spells
Player’s Handbook
cast a spell until you finish a Long Rest, you take 1d10 Necrotic damage per level of that spell. This damage can’t be reduced or prevented in any way. In addition, your Strength score becomes 3
for 2d4 days. For each of those days that you spend resting and doing nothing more than light activity, your remaining recovery time decreases by 2 days. Finally, there is a 33 percent chance that you are unable to cast Wish ever again if you suffer this stress.
Monsters
Strixhaven: A Curriculum of Chaos
structures and find the safest paths as they search. When confronted, they confound their foes by channeling the stasis of perfect order, creating resilient barriers of force and quashing hostile
mystical study divide between those who see history as an unpredictable jumble of chance and those who believe events form a perfect—and predictable—pattern.Force
Intellect Devourer
Legacy
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Monsters
Monster Manual (2014)
Detect Sentience. The intellect devourer can sense the presence and location of any creature within 300 feet of it that has an Intelligence of 3 or higher, regardless of interposing barriers, unless
","rollAction":"Devour Intellect"}: If the total equals or exceeds the target’s Intelligence score, that score is reduced to 0. The target is stunned until it regains at least one point of
Mummy Lord
Legacy
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Monsters
Basic Rules (2014)
, including ones behind barriers and around corners, can't regain hit points until the end of the mummy lord's next turn.
Whirlwind of Sand (Costs 2 Actions). The mummy lord magically transforms into a
;{"diceNotation":"1d100","rollType":"roll","rollAction":"Misleading Result Chance"} chance to provide misleading results, as determined by the DM. If a divination spell already has a chance to fail or become
Monsters
Tyranny of Dragons
(Costs 2 Actions). Diderius magically unleashes negative energy. Creatures within 60 feet of him, including ones behind barriers and around corners, can’t regain hit points until the end of his next
drinks are spoiled — wine turning to vinegar, for instance.
Divination spells cast within the lair by creatures other than the mummy lord have a 25 percent chance to provide misleading results
Monsters
Waterdeep: Dungeon of the Mad Mage
Negative Energy (Costs 2 Actions). The mummy lord magically unleashes negative energy. Creatures within 60 feet of the mummy lord, including ones behind barriers and around corners, can't regain hit
vinegar, for instance.
Divination spells cast within the lair by creatures other than the mummy lord have a 25 percent chance to provide misleading results, as determined by the DM. If a divination
Magic Items
Candlekeep Mysteries
praying to Orcus for at least 1 hour has a 10 percent chance of summoning a smoky avatar of the demon lord. Once this avatar is summoned, it can’t be summoned again for 30 days. Orcus’s
avatar has the statistics of a wraith except that it’s chaotic evil. It attacks all non-undead creatures it encounters, and it disappears after 1 hour or when reduced to 0 hit points.
Monsters
Candlekeep Mysteries
energy. Creatures within 60 feet of Valin, including ones behind barriers and around corners, can’t regain hit points until the end of Valin’s next turn.
Whirlwind of Sand (Costs 2 Actions
made for me. It has come to me. It is part of me.”
Flaw. “Each future that allows a chance for my failure to occur must be tracked, must be focused on, and must be destroyed.”Valin
Chasme (summoner variant)
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Monsters
Monster Manual (2014)
"} necrotic damage, and the target’s hit point maximum is reduced by an amount equal to the necrotic damage taken. If this effect reduces a creature’s hit point maximum to 0, the creature dies
chooses what to summon and attempts a magical summoning.
A chasme has a 30 percent;{"diceNotation":"1d100","rollType":"roll","rollAction":"Summon Demon"} chance of summoning one chasme.
A summoned demon
Monsters
Monstrous Compendium Vol. 2: Dragonlance Creatures
throw or have its speed reduced to 0 until the start of the inventor’s next turn.
Thunderscream Gadget (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Thunderscream
on a DC 14 Dexterity saving throw or be blinded until the end of its next turn.Brimming with innovative ideas and reckless enthusiasm, the inventors of Mount Nevermind love any chance to showcase their
Monsters
Strixhaven: A Curriculum of Chaos
saving throw or be restrained for 1 minute, but the restrained target’s speed is halved instead of being reduced to 0. At the start of each of its turns, the restrained target takes 4 (1d8
effect on itself on a success.Professors of chaos wield magic inspired by the ebb and flow of chance. They study the course history has taken, looking for breaking points in the flow of events, and focus
Drow Inquisitor (Summoner Variant)
Legacy
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Monsters
Mordenkainen’s Tome of Foes
plus 18 (4d8);{"diceNotation":"4d8","rollType":"damage","rollAction":"Death Lance","rollDamageType":"necrotic"} necrotic damage. The target's hit point maximum is reduced by an amount equal to the
necrotic damage it takes. This reduction lasts until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0.
Summon Demon (1/Day). The drow attempts to magically summon a
Monsters
Mordenkainen Presents: Monsters of the Multiverse
", "rollDamageType":"necrotic"} necrotic damage. The target’s hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the target finishes a long rest
. The target dies if its hit point maximum is reduced to 0.
Spellcasting. The drow casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability
Feats
Wayfinder's Guide to Eberron
, a character who has the Aberrant Dragonmark feat has a chance of manifesting greater power. Upon reaching 10th level, such a character has a 10 percent chance of gaining an epic boon from among the
options in chapter 7 of the Dungeon Master’s Guide. If the character fails to gain a boon, they have a 10 percent chance the next time they gain a level.
If the character gains a boon, the DM
Monsters
Icewind Dale: Rime of the Frostmaiden
Petrified Death. A tomb tapper reduced to 0 hit points turns into a lifeless stone statue. Anything it's wearing or carrying is not transformed.
Sense Magic. The tomb tapper senses magic within 30
feet of it and can use an action to pinpoint the location of any creature, object, or area in that range that bears magic. This sense penetrates barriers but is blocked by a thin sheet of lead.
Tunneler
Monsters
Princes of the Apocalypse
of Imix, and disappear if Imix is reduced to 0 hit points.Imix can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end
","rollDamageType":"fire"} fire damage. Creatures that take fire damage from this effect gain one level of exhaustion. In addition, there is a fifty percent chance ;{"diceNotation":"1d100","rollType
Monsters
Mordenkainen Presents: Monsters of the Multiverse
", "rollDamageType":"necrotic"} necrotic damage. The target’s hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the target finishes a long rest
. The target dies if its hit point maximum is reduced to 0.
Spellcasting. The drow casts one of the following spells, requiring no material components and using Charisma as the spellcasting ability
Molydeus (Summoner Variant)
Legacy
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Monsters
Mordenkainen’s Tome of Foes
or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target transforms into a manes if this reduces its hit
Demon"} chance of summoning its choice of 1d6;{"diceNotation":"1d6","rollType":"roll","rollAction":"Summon Demon"} babau;babaus, 1d4;{"diceNotation":"1d4","rollType":"roll","rollAction":"Summon Demon
Monsters
Princes of the Apocalypse
is reduced to 0 hit points.Yan-C-Bin can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature
beneath the open sky have a five percent;{"diceNotation":"1d100","rollType":"roll","rollAction":"Thunderstorm Chance"} chance of being struck by lightning. A creature struck by lightning must make a
Monsters
Mordenkainen Presents: Monsters of the Multiverse
maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target transforms into a manes (see the Monster Manual) if this reduces its hit
). As an action, the molydeus has a 50 percent chance of summoning its choice of 1d6;{"diceNotation":"1d6","rollType":"roll","rollAction":"Summon Demon"} babau;babaus, 1d4 chasme;chasmes, or one marilith
Monsters
Mordenkainen Presents: Monsters of the Multiverse
maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0.
Gaze. Demogorgon turns his
hitting him with an attack), there is a 50 percent chance that the illusory duplicate is affected, not Demogorgon, in which case the illusion disappears.
Regional Effects
The region containing Demogorgon
Monsters
Mordenkainen Presents: Monsters of the Multiverse
maximum is reduced by an amount equal to the damage taken. This reduction lasts until the target finishes a long rest. The target transforms into a manes (see the Monster Manual) if this reduces its hit
Summon Demon (1/Day). As an action, the molydeus has a 50 percent chance of summoning its choice of 1d6;{"diceNotation":"1d6","rollType":"roll","rollAction":"Summon Demon"} babau;babaus, 1d4 chasme;chasmes
Wish
Legacy
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Spells
Basic Rules (2014)
, each time you cast a spell until you finish a long rest, you take 1d10 necrotic damage per level of that spell. This damage can't be reduced or prevented in any way. In addition, your Strength drops
to 3, if it isn't 3 or lower already, for 2d4 days. For each of those days that you spend resting and doing nothing more than light activity, your remaining recovery time decreases by 2 days. Finally, there is a 33 percent chance that you are unable to cast wish ever again if you suffer this stress.
Monsters
Planescape: Adventures in the Multiverse
if the target is a creature, the target’s hit point maximum is reduced by an amount equal to the necrotic damage taken. This reduction lasts until the target finishes a long rest. The target
dies if its hit point maximum is reduced to 0.
Shadow Web. Ranged Weapon Attack: +7;{"diceNotation":"1d20+7", "rollType":"to hit", "rollAction":"Shadow Web"} to hit, reach 120 ft., one creature. Hit: 16
Demogorgon
Legacy
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Monsters
Out of the Abyss
"} bludgeoning damage. If the target is a creature, it must succeed on a DC 23 Constitution saving throw or its hit point maximum is reduced by an amount equal to the damage taken. This reduction lasts
until the target finishes a long rest. The target dies if its hit point maximum is reduced to 0.
Gaze. Demogorgon turns his magical gaze toward one creature that he can see within 120 feet of him. That
Monsters
Bigby Presents: Glory of the Giants
the end of every turn, but it turns to dust if reduced to 0 hit points or when the giant dies. If the rune is destroyed, the giant can inscribe a cloud rune on a mask in its possession when it finishes
games of chance and wit. A destiny gambler is a cloud giant who has won increasingly high-stakes wagers against other giants, smaller folk, and even beings from the Outer Planes.
Destiny gamblers wear
Monsters
Princes of the Apocalypse
hit points for each elemental she summons. Summoned elementals have maximum hit points, appear within 100 feet of Olhydra, and disappear if Olhydra is reduced to 0 hit points.Olhydra can take 3
in the black depths of vast seas or enthroned among jagged reefs. Olhydra waits for the chance to enter the Material Plane through elemental water nodes or when called by the proper rituals. Whether
Compendium
- Sources->Dungeons & Dragons->D&D Beyond Basic Rules
Potion of Longevity Potion, Very Rare When you drink this potion, your physical age is reduced by 1d6 + 6 years, to a minimum of 13 years. Each time you subsequently drink a Potion of Longevity
, there is 10 percent cumulative chance that you instead age by 1d6 + 6 years. Suspended in this amber liquid is a tiny heart that, against all reason, is still beating. These ingredients vanish when the potion is opened.
Compendium
- Sources->Dungeons & Dragons->Flee, Mortals! Rule Primer
Dying Companions When a companion is reduced to 0 hit points, they are dying and make death saving throws just as characters do. Thus, characters always have a chance to save their furry (or scaly
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)
Potion of Longevity Potion, very rare When you drink this potion, your physical age is reduced by 1d6 + 6 years, to a minimum of 13 years. Each time you subsequently drink a potion of longevity
, there is 10 percent cumulative chance that you instead age by 1d6 + 6 years. Suspended in this amber liquid are a scorpion’s tail, an adder’s fang, a dead spider, and a tiny heart that, against all reason, is still beating. These ingredients vanish when the potion is opened.
Compendium
- Sources->Dungeons & Dragons->Dungeon Master’s Guide
Potion of Longevity Potion, Very Rare When you drink this potion, your physical age is reduced by 1d6 + 6 years, to a minimum of 13 years. Each time you subsequently drink a Potion of Longevity
, there is 10 percent cumulative chance that you instead age by 1d6 + 6 years. Suspended in this amber liquid is a tiny heart that, against all reason, is still beating. These ingredients vanish when the potion is opened.
Compendium
- Sources->Dungeons & Dragons->Eberron: Rising from the Last War
Daask Forces Several members of Daask are stationed in Terminus, ready to attack the characters to give Garra a chance to get away. Unless noted otherwise, members of Daask attack the characters
, fighting until reduced to half hit points then fleeing. If any member of Daask is captured, a character who makes a successful DC 12 Charisma (Intimidation) check gets the Daask member to reveal that
Compendium
- Sources->Dungeons & Dragons->Rise of Tiamat
applied to Tiamat, in this order: Tiamat’s attack and breath weapon damage is reduced by 15, and her hit points drop by 75. Tiamat loses her Regeneration trait, her hit point maximum is reduced by 75, and
her immunity to bludgeoning, piercing, and slashing damage from nonmagical weapons becomes resistance instead. Tiamat loses Limited Spell Immunity, and her hit point maximum is reduced by 75. Tiamat






