mechanical some with only acid from for lair

Adult Black Dragon

Monsters Monster Manual

Amphibious. The dragon can breathe air and water. Legendary Resistance (3/Day, or 4/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes

three Rend attacks. It can replace one attack with a use of Spellcasting to cast Melf's Acid Arrow (level 3 version). Rend. Melee Attack Roll: +11;{"diceNotation":"1d20+11", "rollType":"to hit

Ancient Black Dragon

Monsters Monster Manual

Amphibious. The dragon can breathe air and water. Legendary Resistance (3/Day, or 5/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes

three Rend attacks. It can replace one attack with a use of Spellcasting to cast Melf's Acid Arrow (level 4 version). Rend. Melee Attack Roll: +15;{"diceNotation":"1d20+15", "rollType":"to hit

Adult Copper Dragon

Monsters Monster Manual

Legendary Resistance (3/Day, or 4/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes three Rend attacks. It can replace one attack with a

":"Rend", "rollDamageType":"Acid"} Acid damage. Acid Breath (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Acid Breath"}. Dexterity Saving Throw: DC 18, each creature in an

Ancient Copper Dragon

Monsters Monster Manual

Legendary Resistance (4/Day, or 5/Day in Lair). If the dragon fails a saving throw, it can choose to succeed instead.Multiattack. The dragon makes three Rend attacks. It can replace one attack with a

":"Rend", "rollDamageType":"Acid"} Acid damage. Acid Breath (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Acid Breath"}. Dexterity Saving Throw: DC 22, each creature in an

Vampire Umbral Lord

Monsters Monster Manual

Legendary Resistance (3/Day, or 4/Day in Lair). If the vampire fails a saving throw, it can choose to succeed instead. Shadow Escape. If the vampire drops to 0 Hit Points outside its resting place

vampire takes 20 Acid damage if it ends its turn in running water.Stake to the Heart. If a weapon that deals Piercing damage is driven into the vampire’s heart while the vampire has the

Aboleth

Monsters Monster Manual

Restoration"} days, reviving with all its Hit Points in the Far Realm or another location chosen by the DM. Legendary Resistance (3/Day, or 4/Day in Lair). If the aboleth fails a saving throw, it can choose

":"Acid"} Acid damage at the end of every 10 minutes unless moisture is applied to its skin before those minutes have passed. Probing Telepathy. If a creature the aboleth can see communicates

Kraken

Monsters Monster Manual

Amphibious. The kraken can breathe air and water. Legendary Resistance (4/Day, or 5/Day in Lair). If the kraken fails a saving throw, it can choose to succeed instead. Siege Monster. The kraken

":"Swallow", "rollDamageType":"Acid"} Acid damage at the start of each of its turns. If the kraken takes 50 damage or more on a single turn from a creature inside it, the kraken must succeed on a DC 25

Vampire

Monsters Monster Manual

Legendary Resistance (3/Day, or 4/Day in Lair). If the vampire fails a saving throw, it can choose to succeed instead. Misty Escape. If the vampire drops to 0 Hit Points outside its resting place

vampire has these weaknesses: Forbiddance. The vampire can’t enter a residence without an invitation from an occupant. Running Water. The vampire takes 20 Acid damage if it ends its turn in running

Vampire Infernalist

Monsters Astarion's Book of Hungers

Legendary Resistance (3/Day, or 4/Day in Lair). If the vampire fails a saving throw, it can choose to succeed instead. Misty Escape. If the vampire drops to 0 Hit Points outside its resting place

. Running Water. The vampire takes 20 Acid damage if it ends its turn in running water. Stake to the Heart. If a weapon that deals Piercing damage is driven into the vampire’s heart while the

Ancient Black Dragon Legacy

Monsters Basic Rules (2014)

ferment. The lair is littered with the acid-pitted bones of previous victims and the fly-ridden carcasses of fresh kills, watched over by crumbling statues. Centipedes, scorpions, and snakes infest

","rollAction":"Bite","rollDamageType":"acid"} acid damage. Claw. Melee Weapon Attack: +15;{"diceNotation":"1d20+15","rollType":"to hit","rollAction":"Claw"} to hit, reach 10 ft., one target. Hit: 15 (2d6

Adult Black Dragon Legacy

Monsters Basic Rules (2014)

can ferment. The lair is littered with the acid-pitted bones of previous victims and the fly-ridden carcasses of fresh kills, watched over by crumbling statues. Centipedes, scorpions, and snakes

","rollAction":"Bite","rollDamageType":"acid"} acid damage. Claw. Melee Weapon Attack: +11;{"diceNotation":"1d20+11","rollType":"to hit","rollAction":"Claw"} to hit, reach 5 ft., one target. Hit: 13 (2d6

Adult Copper Dragon Legacy

Monsters Basic Rules (2014)

of the following breath weapons. Acid Breath. The dragon exhales acid in an 60-foot line that is 5 feet wide. Each creature in that line must make a DC 18 Dexterity saving throw, taking 54 (12d8

);{"diceNotation":"12d8","rollType":"damage","rollAction":"Acid Breath","rollDamageType":"acid"} acid damage on a failed save, or half as much damage on a successful one. Slowing Breath. The dragon exhales

Juiblex

Monsters Mordenkainen Presents: Monsters of the Multiverse

. Juiblex makes three Acid Lash attacks. Acid Lash. Melee or Ranged Weapon Attack: +14;{"diceNotation":"1d20+14","rollType":"to hit","rollAction":"Acid Lash"} to hit, reach 10 ft. or range 60/120 ft

., one target. Hit: 21 (4d6 + 7);{"diceNotation":"4d6+7","rollType":"damage","rollAction":"Acid Lash","rollDamageType":"acid"} acid damage. Any creature killed by this attack is drawn into Juiblex

Ancient Copper Dragon Legacy

Monsters Basic Rules (2014)

of the following breath weapons. Acid Breath. The dragon exhales acid in an 90-foot line that is 10 feet wide. Each creature in that line must make a DC 22 Dexterity saving throw, taking 63 (14d8

);{"diceNotation":"14d8","rollType":"damage","rollAction":"Acid Breath","rollDamageType":"acid"} acid damage on a failed save, or half as much damage on a successful one. Slowing Breath. The dragon

Juiblex Legacy

Monsters Out of the Abyss

attacks). Juiblex can innately cast the following spells, requiring no material components: At will: acid splash (17th level), detect magic 3/day each: blight, contagion, gaseous form Legendary

needing to make an ability check.Multiattack. Juiblex makes three acid lash attacks. Acid Lash. Melee Weapon Attack: +14;{"diceNotation":"1d20+14","rollType":"to hit","rollAction":"Acid Lash"} to hit

Aboleth Legacy

Monsters Basic Rules (2014)

. When the creature is outside a body of water, it takes 6 (1d12);{"diceNotation":"1d12","rollType":"damage","rollAction":"Tentacle","rollDamageType":"acid"} acid damage every 10 minutes unless

points equal to the damage the creature takes.Aboleths lair in subterranean lakes or the rocky depths of the ocean, often surrounded by the ruins of an ancient, fallen aboleth city. An aboleth spends

Thessalkraken

Monsters Infernal Machine Rebuild

+7","rollType":"damage","rollAction":"Bite","rollDamageType":"piercing"} piercing damage plus 5 (1d10);{"diceNotation":"1d10","rollType":"damage","rollAction":"Bite","rollDamageType":"acid"} acid

cover against attacks and other effects outside the thessalkraken, and it takes 21 (6d6);{"diceNotation":"6d6","rollType":"damage","rollAction":"Bite","rollDamageType":"acid"} acid damage at the start

Stalagma Steelshadow

Monsters Waterdeep: Dungeon of the Mad Mage

of the following breath weapons. Acid Breath. The dragon breathes acid in a 60-foot-long, 5-foot-wide line. Each creature in that area must make a DC 20 Constitution saving throw, taking 58 (13d8

);{"diceNotation":"13d8","rollType":"damage","rollAction":"Acid Breath","rollDamageType":"acid"} acid damage on a failed save, or half as much damage on a successful one. Paralyzing Breath. The dragon

Kraken Legacy

Monsters Basic Rules (2014)

":"12d6","rollType":"damage","rollAction":"Bite","rollDamageType":"acid"} acid damage at the start of each of the kraken's turns. If the kraken takes 50 damage or more on a single turn from a creature

current disperses the cloud, which otherwise disappears at the end of the kraken's next turn.A Kraken’s Lair A kraken lives in dark depths, usually a sunken rift or a cavern filled with

Kruthik Hive Lord

Monsters Mordenkainen Presents: Monsters of the Multiverse

later as a hive lord—a bigger and smarter kruthik with the ability to spray digestive acid from its maw. The hive lord claims the largest chamber of the lair and keeps several adult kruthik

);{"diceNotation":"1d6+4","rollType":"damage","rollAction":"Spike","rollDamageType":"piercing"} piercing damage. Acid Spray (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction

Olhydra

Monsters Princes of the Apocalypse

":"4d10","rollType":"damage","rollDamageType":"acid"} acid damage at the start of its turn.Olhydra’s Lair The Princess of Evil Water is native to the Elemental Plane of Water, where she can be found

solid surface, such as a wall or floor, the creature takes 1d6;{"diceNotation":"1d6","rollType":"damage","rollDamageType":"bludgeoning"} bludgeoning damage for every 10 feet it was flung. Water to Acid

Ancient White Dragon Legacy

Monsters Basic Rules (2014)

immunity to acid, cold, necrotic, poison, and psychic damage. The wall disappears when the dragon uses this lair action again or when the dragon dies. Regional Effects The region containing a

":"bludgeoning"} bludgeoning damage and be knocked prone. The dragon can then fly up to half its flying speed.A White Dragon’s Lair White dragons lair in icy caves and deep subterranean chambers far from

Adult White Dragon Legacy

Monsters Basic Rules (2014)

immunity to acid, cold, necrotic, poison, and psychic damage. The wall disappears when the dragon uses this lair action again or when the dragon dies. Regional Effects The region containing a

":"bludgeoning"} bludgeoning damage and be knocked prone. The dragon can then fly up to half its flying speed.A White Dragon’s Lair White dragons lair in icy caves and deep subterranean chambers far from

Vampire Spawn Legacy

Monsters Basic Rules (2014)

vampire takes 20 acid damage when it ends its turn in running water. Stake to the Heart. The vampire is destroyed if a piercing weapon made of wood is driven into its heart while it is incapacitated in

hit points equal to that amount. The reduction lasts until the target finishes a long rest. The target dies if this effect reduces its hit point maximum to 0.A Vampire’s Lair A vampire chooses a

Graz'zt

Monsters Mordenkainen Presents: Monsters of the Multiverse

provoked. He wields the greatsword Angdrelve, also called Wave of Sorrow, whose wavy, razor-edged blade drips acid at his command.Graz’zt’s Lair Graz’zt’s principal lair is his

":"force"} force damage plus 14 (4d6);{"diceNotation":"4d6","rollType":"damage","rollAction":"Wave of Sorrow","rollDamageType":"acid"} acid damage. Spellcasting. Graz’zt casts one of the following

Graz'zt Legacy

Monsters Out of the Abyss

, the Wave of Sorrow, its wavy, razor-edged blade dripping acid at his command.Graz’zt’s Lair Graz’zt’s principal lair is his Argent Palace, a grandiose structure in the city of

","rollDamageType":"acid"} acid damage. Teleport. Graz’zt magically teleports, along with any equipment he is wearing or carrying, up to 120 feet to an unoccupied space he can see.Graz’zt can

Reduced-threat Aboleth

Monsters Tales from the Yawning Portal

","rollDamageType":"acid"} acid damage every 10 minutes unless moisture is applied to the skin before 10 minutes have passed. Tail. Melee Weapon Attack: +7;{"diceNotation":"1d20+7","rollType":"to hit

":"psychic"} psychic damage, and the aboleth regains hit points equal to the damage the creature takes.Aboleths lair in subterranean lakes or the rocky depths of the ocean, often surrounded by the ruins of

Zargon the Returner

Monsters Quests from the Infinite Staircase

", "rollDamageType":"acid"} acid damage. Gore. Melee Weapon Attack: +12;{"diceNotation":"1d20+12", "rollType":"to hit", "rollAction":"Gore"} to hit, reach 10 ft., one target. Hit: 15 (2d8 + 6

save, the creature takes 38 (7d10);{"diceNotation":"7d10", "rollType":"damage", "rollAction":"Slime Wave", "rollDamageType":"acid"} acid damage and has the poisoned condition for 1 minute. On a

Juvenile Kraken

Monsters Ghosts of Saltmarsh

restrained, it has total cover against attacks and other effects outside the kraken, and it takes 21 (6d6);{"diceNotation":"6d6","rollType":"damage","rollDamageType":"acid"} acid damage at the start

dreams of freeing itself from its aboleth tenders and wreaking its own foul will upon the seas.A Kraken’s Lair A kraken lives in dark depths, usually a sunken rift or a cavern filled with detritus

Slarkrethel

Monsters Storm King's Thunder

has total cover against attacks and other effects outside the kraken, and it takes 42 (12d6);{"diceNotation":"12d6","rollType":"damage","rollAction":"Bite","rollDamageType":"acid"} acid damage at the

cloud, which otherwise disappears at the end of the kraken's next turn.A Kraken’s Lair A kraken lives in dark depths, usually a sunken rift or a cavern filled with detritus, treasure, and

Froghemoth Elder

Monsters Quests from the Infinite Staircase

":"Bite", "rollDamageType":"acid"} acid damage at the start of each of the froghemoth’s turns. The froghemoth’s gullet can hold up to three creatures at a time. If the froghemoth takes 25

and warp the ecosystems in which they dwell. To learn more about froghemoths, see Mordenkainen Presents: Monsters of the Multiverse.A Froghemoth Elder's Lair Froghemoth elders lair in unnatural

Lich Legacy

Monsters Basic Rules (2014)

following wizard spells prepared: Cantrips (at will): mage hand, prestidigitation, ray of frost 1st level (4 slots): detect magic, magic missile, shield, thunderwave 2nd level (3 slots): acid arrow

);{"diceNotation":"6d6","rollType":"damage","rollAction":"Disrupt Life","rollDamageType":"necrotic"} necrotic damage on a failed save, or half as much damage on a successful one.A Lich’s Lair A lich often

Yeenoghu

Monsters Mordenkainen Presents: Monsters of the Multiverse

":"Bite"} to hit, reach 10 ft., one target. Hit: 20 (2d10 + 9);{"diceNotation":"2d10+9", "rollType":"damage", "rollAction":"Bite", "rollDamageType":"acid"} acid damage. Spellcasting. Yeenoghu casts one of

at will, although he is as likely to tear his prey apart with his teeth.Yeenoghu’s Lair Yeenoghu’s lair in the Abyss is called the Death Dells. Its barren hills and ravines serve as a

Hellfire Engine

Monsters Mordenkainen Presents: Monsters of the Multiverse

(2d10);{"diceNotation":"2d10","rollType":"damage","rollDamageType":"fire"} fire damage plus 18 (4d8);{"diceNotation":"4d8","rollType":"damage","rollDamageType":"acid"} acid damage on a failed save, or

half as much damage on a successful one. Creatures that fail the saving throw are drenched in burning acid and take 5 (1d10);{"diceNotation":"1d10","rollType":"damage","rollDamageType":"fire"} fire

Nurvureem

Monsters Princes of the Apocalypse

its victims can ferment. The lair is littered with the acid-pitted bones of previous victims and the fly-ridden carcasses of fresh kills, watched over by crumbling statues. Centipedes, scorpions, and

Presence for the next 24 hours. Shadow Breath (Recharge 5–6);{"diceNotation":"1d6","rollType":"recharge","rollAction":"Shadow Breath"}. The dragon exhales acid in a 60-foot line that is 5 feet wide

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