blood barriers diffusing cause round

Shield Guardian

Monsters Monster Manual

it, and the guardian knows the distance and direction to the amulet. If the guardian is within 60 feet of the amulet’s wearer, half of any damage the wearer takes (round up) is transferred to

cause the guardian to store one spell of level 4 or lower. To do so, the wearer must cast the spell on the guardian while within 5 feet of it. The spell has no effect but is stored within the guardian

Control Water

Spells Player’s Handbook

repeat the same effect or choose a different one. Flood. You cause the water level of all standing water in the area to rise by as much as 20 feet. If you choose an area in a large body of water, you

separated water forms a wall to either side. The trench remains until the spell ends or you choose a different effect. The water then slowly fills in the trench over the course of the next round until

Doppelganger Legacy

Monsters Basic Rules (2014)

. Surprise Attack. If the doppelganger surprises a creature and hits it with an attack during the first round of combat, the target takes an extra 10 (3d6);{"diceNotation":"3d6","rollType":"roll

magically reads the surface thoughts of one creature within 60 feet of it. The effect can penetrate barriers, but 3 feet of wood or dirt, 2 feet of stone, 2 inches of metal, or a thin sheet of lead

Y'demi

Monsters Strixhaven: A Curriculum of Chaos

Blood Aegis. The AC of Y’demi includes her Constitution modifier while she isn’t wearing armor or wielding a shield. Oriq Mask. Y’demi wears an Oriq mask. While wearing the mask, Y

, invisibility, or any other phenomena that would prevent sight.Multiattack. Y’demi makes two Blood Lash attacks. Blood Lash. Melee Spell Attack: +9;{"diceNotation":"1d20+9", "rollType":"to hit

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

Oriq Blood Mage

Monsters Strixhaven: A Curriculum of Chaos

Blood Aegis. The AC of the blood mage includes its Constitution modifier while it isn’t wearing armor or wielding a shield. Oriq Mask. The blood mage wears an Oriq mask. While wearing the mask

, the blood mage can’t be targeted by any divination magic or perceived through magical scrying sensors, and it adds double its proficiency bonus to Charisma (Deception) checks (included above

Living Armor

Magic Items Eberron: Rising from the Last War

to the armor ends, and it detaches from you. The armor requires fresh blood be fed to it. Immediately after you finish any long rest, you must either feed half of your remaining Hit Dice to the armor (round up) or take 1 level of exhaustion.

Firegaunt

Monsters Bigby Presents: Glory of the Giants

Fire Blood. Whenever a creature within 5 feet of the firegaunt hits the firegaunt with a melee attack that deals piercing or slashing damage, that creature takes 5 (1d10);{"diceNotation":"1d10

", "rollType":"damage", "rollAction":"Fire Blood", "rollDamageType":"fire"} fire damage.Multiattack. The firegaunt makes two Heated Maul attacks. Heated Maul. Melee Weapon Attack: +11;{"diceNotation":"1d20

Gunpowder, Powder Horn Legacy

Equipment

fire to a container full of gunpowder can cause it to explode, dealing fire damage to creatures within 10 feet of it (3d6 for a powder horn, 7d6 for a keg). A successful DC 12 Dexterity saving throw

halves the damage. Setting fire to an ounce of gunpowder causes it to flare for 1 round, shedding bright light in a 30-foot radius and dim light for an additional 30 feet.

Gunpowder, Keg Legacy

Equipment

fire to a container full of gunpowder can cause it to explode, dealing fire damage to creatures within 10 feet of it (3d6 for a powder horn, 7d6 for a keg). A successful DC 12 Dexterity saving throw

halves the damage. Setting fire to an ounce of gunpowder causes it to flare for 1 round, shedding bright light in a 30-foot radius and dim light for an additional 30 feet.

Intellect Devourer Legacy

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

dies, unless its brain is restored within 1 round. Bludgeoning, Piercing, and Slashing from Nonmagical Attacks

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

Necrichor

Monsters Van Richten’s Guide to Ravenloft

":"necrotic"} necrotic damage, and the target can’t regain hit points until the start of the necrichor’s next turn. Blood Puppeteering (Recharge 6);{"diceNotation":"1d6","rollType

":"recharge","rollAction":"Blood Puppeteering"}. The necrichor targets a creature it can see within 5 feet of it that is missing any of its hit points. If the target isn’t a Construct or an Undead, it

Fazrian

Monsters Waterdeep: Dungeon of the Mad Mage

death.Unless he is incapacitated, Fazrian can take one of the following lair actions on initiative count 20 (losing initiative ties) while on the Terminus Level: Blood flows from Fazrian's eyes until

initiative count 20 on the next round. No creature within 120 feet of the planetar can regain hit points until the effect ends. Fazrian's eyes become smoldering black voids until initiative count 20

Bone Whelk

Monsters Baldur’s Gate: Descent into Avernus

Adhesive. The bone whelk can cause Medium or smaller objects to adhere to it. A Medium or smaller creature that touches the bone whelk is grappled by it (escape DC 10). Death Scream. When the bone

whelk dies, it emits a blood-curdling shriek than can be heard out to a range of 120 feet. This shriek causes nonmagical, organic material within 10 feet of the bone whelk to rot. Each creature within

Merrenoloth Legacy

Monsters Mordenkainen’s Tome of Foes

merrenoloth can invoke its ability to take lair actions. On initiative count 20 (losing initiative ties), the merrenoloth can take one lair action to cause one of the following effects; it can't use the

30 feet until initiative count 20 on the next round. The air within 60 feet of the ship is filled with howling wind. Until initiative count 20 on the next round, that area is difficult terrain, and

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

Sahuagin Deep Diver

Monsters Ghosts of Saltmarsh

Blood Frenzy. The deep diver has advantage on melee attack rolls against any creature that doesn't have all its hit points. Brine Lurker. The deep diver has advantage on Dexterity (Stealth) checks

cause its lure to light up or darken at will. While the lure is lit, the deep diver sheds bright light in a 30-foot radius centered on itself and dim light for an additional 20 feet. Shark Telepathy

Control Water Legacy

Spells Basic Rules (2014)

spell ends or you choose a different effect. The water then slowly fills in the trench over the course of the next round until the normal water level is restored. Redirect Flow. You cause flowing water

. As an action on your turn, you can repeat the same effect or choose a different one. Flood. You cause the water level of all standing water in the area to rise by as much as 20 feet. If the area

Night Blade

Monsters Baldur’s Gate: Descent into Avernus

victims vulnerable to their long-bladed knives. When Bhaal’s magic works its power, stab wounds erupt in terrible gouts of blood. Seemingly minor wounds plunge deep into a victim’s body and

cause terrible pain and bleeding. Killers from the Shadows. Bhaal’s followers are cunning murderers who kill to strike fear and thrive on sowing terror in the cities they inhabit. They can call

Dybbuk

Monsters Mordenkainen Presents: Monsters of the Multiverse

Corpse. While Possess Corpse is active, the dybbuk makes the corpse do something unnatural, such as vomit blood, twist its head all the way around, or cause a quadruped to move as a biped. Any Beast

vehicle, rousing the body from death. Dybbuks delight in terrorizing other creatures by making their host bodies behave in horrifying ways—throwing up gouts of blood, excreting piles of squirming

Ancient Gold Dragon Legacy

Monsters Basic Rules (2014)

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

in a row: The dragon glimpses the future, so it has advantage on attack rolls, ability checks, and saving throws until initiative count 20 on the next round. One creature the dragon can see within

Tomb Tapper

Monsters Icewind Dale: Rime of the Frostmaiden

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

with their jaws to extract mineral sustenance. They can also digest iron from blood and marrow, if mineral-rich rock is unavailable. The Netherese sent the thaluud into the Underdark to exterminate

Death's Head of Bhaal

Monsters Baldur’s Gate: Descent into Avernus

victims vulnerable to their long-bladed knives. When Bhaal's magic works its power, stab wounds erupt in terrible gouts of blood. Seemingly minor wounds plunge deep into a victim's body and cause

Oriq Recruiter

Monsters Strixhaven: A Curriculum of Chaos

now uses the Oriq to gather the spells and magical energy he needs to summon a devastating being, the Blood Avatar, to destroy Strixhaven. The Oriq work in secret, infiltrating Strixhaven to search

for the magic their master covets and watch for impressionable students and embittered faculty they might turn to their cause. The Oriq take pains to hide their true allegiance and wear masks to hide

Demilich Legacy

Monsters Monster Manual (2014)

","rollAction":"Take Lair Action"}. On a result of 11 or higher, the demilich takes a lair action to cause one of the following effects. It can’t use the same effect two rounds in a row. The tomb

of it. An antimagic field fills the space of the target, moving with it until initiative count 20 on the next round. The demilich targets any number of creatures it can see within 30 feet of it. No

Ancient Green Dragon Legacy

Monsters Basic Rules (2014)

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 in a row: Grasping roots and

. Furthermore, a creature in the wall’s space must make a DC 15 Dexterity saving throw once each round it’s in contact with the wall, taking 18 (4d8);{"diceNotation":"4d8","rollType":"damage

Kraken Legacy

Monsters Basic Rules (2014)

Amphibious. The kraken can breathe air and water. Freedom of Movement. The kraken ignores difficult terrain, and magical effects can't reduce its speed or cause it to be restrained. It can spend 5

detritus, treasure, and wrecked ships. Lair Actions On initiative count 20 (losing initiative ties), the kraken takes a lair action to cause one of the following magical effects: A strong current moves

Ancient Silver Dragon Legacy

Monsters Basic Rules (2014)

dragon dreams of. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects: The dragon creates fog as if it had cast the

fog cloud spell. The fog lasts until initiative count 20 on the next round. A blisteringly cold wind blows through the lair near the dragon. Each creature within 120 feet of the dragon must succeed on

Adult Gold Dragon Legacy

Monsters Basic Rules (2014)

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 in a row

: The dragon glimpses the future, so it has advantage on attack rolls, ability checks, and saving throws until initiative count 20 on the next round. One creature the dragon can see within 120 feet

Adult Silver Dragon Legacy

Monsters Basic Rules (2014)

dreams of. Lair Actions On initiative count 20 (losing initiative ties), the dragon takes a lair action to cause one of the following effects: The dragon creates fog as if it had cast the fog cloud

spell. The fog lasts until initiative count 20 on the next round. A blisteringly cold wind blows through the lair near the dragon. Each creature within 120 feet of the dragon must succeed on a DC 15

Reaper of Bhaal

Monsters Baldur’s Gate: Descent into Avernus

learn to call upon their god's power to leave their victims vulnerable to their long-bladed knives. When Bhaal's magic works its power, stab wounds erupt in terrible gouts of blood. Seemingly minor

wounds plunge deep into a victim's body and cause terrible pain and bleeding. Killers from the Shadows. Bhaal's followers are cunning murderers who kill to strike fear and thrive on sowing terror in

Adult Green Dragon Legacy

Monsters Basic Rules (2014)

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 in a row: Grasping roots and vines

, a creature in the wall’s space must make a DC 15 Dexterity saving throw once each round it’s in contact with the wall, taking 18 (4d8);{"diceNotation":"4d8","rollType":"damage

Reghed Great Warrior

Monsters Icewind Dale: Rime of the Frostmaiden

descended from humans who were predominantly blue-eyed and fair-haired, the Reghed tribes have assimilated other folk, adding new blood to their dwindling ranks. There used to be more than four

lifestyle to survive, as they follow herds of reindeer along the route of the animals' annual migration. When they make camp, the tribesfolk live in large, round tents made of deerskin and supported by

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