barriers behind down cause rule

Find Familiar

Spells Player’s Handbook

the pocket dimension, it leaves behind in its space anything it was wearing or carrying. One Familiar Only. You can’t have more than one familiar at a time. If you cast this spell while you have a familiar, you instead cause it to adopt a new eligible form.

forever. As a Magic action while it is temporarily dismissed, you can cause it to reappear in an unoccupied space within 30 feet of you. Whenever the familiar drops to 0 Hit Points or disappears into

Sphere of Annihilation

Magic Items Dungeon Master’s Guide

Bonus Action to cause it to move in one direction of your choice, up to a number of feet equal to 5 times your Intelligence modifier (minimum 5 feet). Any creature whose space the sphere enters must

succeed on a DC 19 Dexterity saving throw or be touched by it, taking 8d10 Force damage. A creature reduced to 0 Hit Points by this damage is obliterated, leaving its possessions behind but no other

Moonblade

Magic Items Dungeon Master’s Guide

cause the Moonblade to flash brightly. Each other creature that is within 30 feet of you and not behind Total Cover must succeed on a DC 15 Constitution saving throw or have the Blinded condition for 1

Derro Raider

Monsters Quests from the Infinite Staircase

cruelty and destruction. Derro Derro are Underdark dwellers of dubious origin. According to the histories of some duergar, derro are descended from a community of dwarves that was left behind when the

others escaped the rule of mind flayer;mind flayers. The mind flayers’ psionic power eventually transformed these forsaken dwarves into Aberrations. You can learn more about derro in Mordenkainen Presents: Monsters of the Multiverse.

Derro Apprentice

Monsters Quests from the Infinite Staircase

. Derro Derro are Underdark dwellers of dubious origin. According to the histories of some duergar, derro are descended from a community of dwarves that was left behind when the others escaped the

rule of mind flayer;mind flayers. The mind flayers’ psionic power eventually transformed these forsaken dwarves into Aberrations. You can learn more about derro in Mordenkainen Presents: Monsters of the Multiverse.

Derro

Monsters Mordenkainen Presents: Monsters of the Multiverse

some duergar, derro are descended from a dwarven community that was left behind when the others escaped the rule of mind flayers. These remnants were so distorted by the mind flayers’ psionic

King Jhaeros

Monsters Keys from the Golden Vault

Ashen Creature. When Jhaeros drops to 0 hit points, he explodes in a harmless cloud of ashes, leaving nothing else behind. Berserk. Whenever Jhaeros starts his turn with 60 hit points or fewer, roll

. Governing from Castle Cinis, Jhaeros was advised by two councilors, Regine LaVerne and Charmayne Daymore, and a guard captain named Naevys Tharesso. Jhaeros’s rule was compassionate, just, and kind

Diderius

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

encountered in its lair has a challenge rating of 16 (15,000 XP). Lair Actions On initiative count 20 (losing initiative ties), the mummy lord takes a lair action to cause one of the following effects

Drow Favored Consort

Monsters Mordenkainen Presents: Monsters of the Multiverse

an attack roll, the drow gives the target a +5 bonus to its AC until the start of the drow’s next turn, which can cause the triggering attack roll to miss.Nearly every priestess of Lolth

. Combining the roles of advisor, protector, and beloved, some favored consorts are content with a supporting role, while more ambitious consorts aspire to be the power behind the throne—or even to

Derro Savant

Monsters Mordenkainen Presents: Monsters of the Multiverse

histories of some duergar, derro are descended from a dwarven community that was left behind when the others escaped the rule of mind flayers. These remnants were so distorted by the mind flayers

Young Kruthik

Monsters Mordenkainen Presents: Monsters of the Multiverse

. As they burrow through the earth, they leave behind tunnels—evidence that is often the first clue to the nearby presence of a kruthik hive. Kruthiks also make use of preexisting underground

kruthiks in one area might cause the remaining hive members to move elsewhere. Although they can feed on carrion, kruthiks prefer live prey. They kill enemies by impaling them on their spiked limbs, then

Death Kiss

Monsters Mordenkainen Presents: Monsters of the Multiverse

. Lacking the egotism of their stronger kin, a death kiss usually submits to the rule of its creator or any other beholder it encounters, but it tries to escape as soon as the beholder is preoccupied. A

;rats, leaving behind a trail of bloodless corpses. When underground, it uses its tentacles as feelers, prodding and examining the environment in all directions. Above ground, it usually keeps its

Valin Sarnaster

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

Sarnaster’s Lair Valin can use her lair actions in any area of the tomb. Lair Actions On initiative count 20 (losing initiative ties), Valin takes a lair action to cause one of the following

Gorka Tharn

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

takes a lair action to cause one of the following effects; the mummy lord can’t use the same effect two rounds in a row. Each undead creature in the lair can pinpoint the location of each

Bodak

Monsters Mordenkainen Presents: Monsters of the Multiverse

a successful one.A bodak is the undying remains of someone who revered Orcus. Devoid of life and soul, it exists only to cause death. A worshiper of Orcus can take ritual vows while carving the demon

lord’s symbol on their chest over the heart. Orcus’s power flays body, mind, and soul, leaving behind a sentient husk that consumes life energy near it. Most bodaks come into being in

Kruthik Hive Lord

Monsters Mordenkainen Presents: Monsters of the Multiverse

forges and pools of molten lava, and carve out lairs as close to such locations as possible. As they burrow through the earth, they leave behind tunnels—evidence that is often the first clue to

warning and avoid areas where many other kruthiks have died. Slaying a sufficient number of kruthiks in one area might cause the remaining hive members to move elsewhere. Although they can feed on

Adult Kruthik

Monsters Mordenkainen Presents: Monsters of the Multiverse

lairs as close to such locations as possible. As they burrow through the earth, they leave behind tunnels—evidence that is often the first clue to the nearby presence of a kruthik hive

kruthiks have died. Slaying a sufficient number of kruthiks in one area might cause the remaining hive members to move elsewhere. Although they can feed on carrion, kruthiks prefer live prey. They kill

Fractine

Monsters Monstrous Compendium Vol. 1: Spelljammer Creatures

surfaces substituting for the mirror needed to cast certain divination spells. While being used in this way, the fractine siphons magical energy from the spellcaster—not enough to cause harm

of itself behind. The destruction of a fractine is accompanied by a loud sound reminiscent of shattering glass. A fractine attacks by falling on its targets, dealing damage as it passes through them

Fungal Servant

Monsters Candlekeep Mysteries

2 Actions). The fungal servant magically unleashes negative energy. Creatures within 60 feet of the fungal servant, including ones behind barriers and around corners, can’t regain hit points

Titivilus

Monsters Mordenkainen Presents: Monsters of the Multiverse

Teleport. Assault (Costs 2 Actions). Titivilus makes one Silver Sword attack, or he uses Frightful Word.Dispater, the gloomy Lord of Dis, rules from his iron palace, seeming to hide behind its

, Titivilus has manipulated everyone along his path to power, either to win them over to his cause or to remove them as a threat. Since gaining his position, Titivilus has convinced Dispater that countless

Claugiyliamatar (possessed)

Monsters Divine Contention

the crest that begins near its eyes and continues down its spine, reaching full height just behind the skull. A small wooded region near Westbridge hides many old dwarven ruins and the extensive

concealed behind waterfalls, or partly submerged caverns that can be accessed through lakes or streams. Others conceal the entrances to their lairs with vegetation. Lair Actions On initiative count 20

Lady Illmarrow

Monsters Eberron: Rising from the Last War

effects. Rejuvenation. Illmarrow’s body turns to dust when she drops to 0 hit points, and her equipment is left behind. She gains a new body after 1d10;{"diceNotation":"1d10","rollType":"roll

Lady Illmarrow is no folk tale. She is the greatest necromancer in Eberron, and after centuries of silence, she is setting ancient plots into motion at last. She is the power behind the Order of the

Mighty Servant of Leuk-o

Magic Items Tasha’s Cauldron of Everything

soul of the mighty warlord Leuk-o was drawn into the artifact and has become its animating force. The servant has been known to attack or move of its own accord, particularly if doing so will cause

, the servant’s two crew members can cause it to explode. The self-destruct code is not revealed to crew members when they attune to the artifact. If the code is discovered (the DM determines how

Halaster Blackcloak

Monsters Waterdeep: Dungeon of the Mad Mage

temporary hit points per level of the slot.Halaster, the Mad Mage of Undermountain, is the deranged individual behind most of the traps and horrors found in the great dungeon under Waterdeep

(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 within 30

Claugiyliamatar

Monsters Storm King's Thunder

entrance hidden from prying eyes. Some seek out cave mouths concealed behind waterfalls, or partly submerged caverns that can be accessed through lakes or streams. Others conceal the entrances to

their lairs with vegetation. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same

Ki-rin

Monsters Mordenkainen Presents: Monsters of the Multiverse

working behind the scenes, or they might be champions of their master’s cause, out to defeat villainy wherever it is found. When viewed from the outside, a ki-rin’s lair is indistinguishable

Teeth of Dahlver-Nar

Magic Items Tasha’s Cauldron of Everything

no hole behind, or it vanishes into the water. The creatures noted in the Creatures Summoned column appear in an unoccupied space as close to where the tooth was sown as possible. The creatures are

, you can use your reaction to cause them to be hit instead. You can’t use this reaction again until you finish a short or long rest. 4 The Mill Road Murders (halfling canine) 3 green hag

Find Familiar Legacy

Spells Basic Rules (2014)

. When the familiar drops to 0 hit points, it disappears, leaving behind no physical form. It reappears after you cast this spell again. As an action, you can temporarily dismiss the familiar to a pocket

dimension. Alternatively, you can dismiss it forever. As an action while it is temporarily dismissed, you can cause it to reappear in any unoccupied space within 30 feet of you. Whenever the familiar

Mummy Lord Legacy

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

On initiative count 20 (losing initiative ties), the mummy lord takes a lair action to cause one of the following effects; the mummy lord can’t use the same effect two rounds in a row. Each

Far Traveler

Backgrounds Sword Coast Adventurer's Guide

here as part of some such delegation, then decided to stay when the mission was over. Mulhorand. From the terrain to the architecture to the god-kings who rule over these lands, nearly everything

;n. Recent events in your homeland have led to the abolition of slavery, and a corresponding increase in the traffic between Mulhorand and the distant parts of Faerûn. Those who leave behind

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

continues down its spine, reaching full height just behind the skull.The forest-loving green dragons sometimes compete for territory with black dragons in marshy woods and with white dragons in subarctic

out cave mouths concealed behind waterfalls, or partly submerged caverns that can be accessed through lakes or streams. Others conceal the entrances to their lairs with vegetation. Lair Actions On

Sword of Kas Legacy

Magic Items Dungeon Master’s Guide (2014)

power grew, so did his hubris. His sword urged him to supplant Vecna, so that they could rule the lich’s empire in Vecna’s stead. Legend says Vecna’s destruction came at Kas’s

hand, but Vecna also wrought his rebellious lieutenant’s doom, leaving only Kas’s sword behind. The world was made brighter thereby. The Sword of Kas is a magic, sentient longsword that

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

its spine, reaching full height just behind the skull.The forest-loving green dragons sometimes compete for territory with black dragons in marshy woods and with white dragons in subarctic taiga

mouths concealed behind waterfalls, or partly submerged caverns that can be accessed through lakes or streams. Others conceal the entrances to their lairs with vegetation. Lair Actions On

Dire Corby

Monsters Mordenkainen's Fiendish Folio Volume 1

travelers prize accurate charts illustrating the movements of these flocks, since trailing a day behind them all but guarantees that the dire corbies will have cleared out many monsters and other threats

inevitably emerge on the surface, the dire corbies’ voracious appetites cause them to quickly strip their new environment—including any nearby settlements—of life.Thunder

Ancient Gold Dragon Legacy

Monsters Basic Rules (2014)

places, where they can do as they please without arousing suspicion or fear. Most dwell near idyllic lakes and rivers, mist-shrouded islands, cave complexes hidden behind sparkling waterfalls, or

ancient ruins. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects; the dragon can’t use the same effect two rounds

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