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Returning 35 results for 'monster swarm with only acid from for long'.
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Magic Items
Dungeon Master’s Guide
24 hours. On a failed save, the swarm is swayed by the pipes’ music and becomes Friendly to you and your allies for as long as you continue to play the pipes each round as a Magic action. A
regain 1d3 expended charges daily at dawn. If you play the pipes as a Magic action, you can take a Bonus Action to expend 1 to 3 charges, calling forth one Swarm of Rats with each expended charge if
Magic Items
Dungeon Master’s Guide
its normal casting time, and you can’t use this property again until you finish a Short or Long Rest. On a failed check, you fail to cast the spell and a random effect occurs instead
just happened.
56–60
A harmless swarm of butterflies fills a 10-foot Cube within 30 feet of yourself. The swarm disperses after 1 minute.
61–65
You pull a nonmagical object
Monsters
Monster Manual
creature in a 30-foot-long, 5-foot-wide Line. Failure: 49 (14d6);{"diceNotation":"14d6", "rollType":"damage", "rollAction":"Acid Breath", "rollDamageType":"Acid"} Acid damage. Success: Half damage.Acid
", "rollAction":"Rend", "rollDamageType":"Acid"} Acid damage.
Acid Breath (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Acid Breath"}. Dexterity Saving Throw: DC 14, each
Monsters
Monster Manual
in a 15-foot-long, 5-foot-wide Line. Failure: 22 (5d8);{"diceNotation":"5d8", "rollType":"damage", "rollAction":"Acid Breath", "rollDamageType":"Acid"} Acid damage. Success: Half damage.Acid
", "rollAction":"Rend", "rollDamageType":"Acid"} Acid damage.
Acid Breath (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Acid Breath"}. Dexterity Saving Throw: DC 11, each creature
Monsters
Monster Manual
-foot-long, 5-foot-wide Line. Failure: 18 (4d8);{"diceNotation":"4d8", "rollType":"damage", "rollAction":"Acid Breath", "rollDamageType":"Acid"} Acid damage. Success: Half damage.
Slowing Breath
", "rollDamageType":"Slashing"} Slashing damage.
Acid Breath (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Acid Breath"}. Dexterity Saving Throw: DC 11, each creature in a 20
Monsters
Monster Manual
Grappled condition (escape DC 13).
Acid Spray (Recharge 6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Acid Spray"}. Dexterity Saving Throw: DC 12, each creature in a 30-foot-long, 5
":"Slashing"} Slashing damage plus 3 (1d6);{"diceNotation":"1d6", "rollType":"damage", "rollAction":"Bite", "rollDamageType":"Acid"} Acid damage. If the target is a Large or smaller creature, it has the
Monsters
Monster Manual
", "rollType":"recharge", "rollAction":"Acid Breath"}. Dexterity Saving Throw: DC 14, each creature in a 40-foot-long, 5-foot-wide Line. Failure: 40 (9d8);{"diceNotation":"9d8", "rollType":"damage
":"Rend"}, reach 10 ft. Hit: 15 (2d10 + 4);{"diceNotation":"2d10+4", "rollType":"damage", "rollAction":"Rend", "rollDamageType":"Slashing"} Slashing damage.
Acid Breath (Recharge 5–6);{"diceNotation":"1d6
Monsters
Monster Manual
Throw: DC 18, each creature in a 60-foot-long, 5-foot-wide Line. Failure: 54 (12d8);{"diceNotation":"12d8", "rollType":"damage", "rollAction":"Acid Breath", "rollDamageType":"Acid"} Acid damage. Success
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
Monsters
Monster Manual
Throw: DC 22, each creature in a 90-foot-long, 10-foot-wide Line. Failure: 67 (15d8);{"diceNotation":"15d8", "rollType":"damage", "rollAction":"Acid Breath", "rollDamageType":"Acid"} Acid damage
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
Monsters
Monster Manual
60-foot-long, 5-foot-wide Line. Failure: 54 (12d8);{"diceNotation":"12d8", "rollType":"damage", "rollAction":"Acid Breath", "rollDamageType":"Acid"} Acid damage. Success: Half damage.
Slowing Breath
":"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
Monsters
Monster Manual
90-foot-long, 10-foot-wide Line. Failure: 63 (14d8);{"diceNotation":"14d8", "rollType":"damage", "rollAction":"acid breath", "rollDamageType":"Acid"} Acid damage. Success: Half damage.
Slowing Breath
":"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
Monsters
Monster Manual
Amphibious. The frog can breathe air and water.
Standing Leap. The frog’s Long Jump is up to 20 feet and its High Jump is up to 10 feet with or without a running start.Bite. Melee Attack Roll
’s next turn, the swallowed target takes 5 (2d4);{"diceNotation":"2d4", "rollType":"damage", "rollAction":"Swallow", "rollDamageType":"Acid"} Acid damage. If that damage doesn’t kill it, the frog disgorges it, causing it to exit Prone.
Monsters
Monster Manual
Amphibious. The toad can breathe air and water.
Standing Leap. The toad’s Long Jump is up to 20 feet and its High Jump is up to 10 feet with or without a running start.Bite. Melee Attack Roll
":"Acid"} Acid damage at the end of each of the toad’s turns. The toad can have only one target swallowed at a time, and it can’t use Bite while it has a swallowed target. If the toad dies
Monsters
Monster Manual
":"damage", "rollAction":"Fiendish Blood", "rollDamageType":"Acid"} Acid damage, and the target is cursed until it finishes a Short or Long Rest. While cursed, the target can’t benefit from the
Monsters
Mordenkainen Presents: Monsters of the Multiverse
within 20 feet of it. A swarm of insects (centipedes);swarm of insects (centipedes; see the Monster Manual) with 11 hit points emerges from the basket and rolls initiative. At the end of each of the swarm
breaks open on impact. A swarm of rot grubs emerges from the shattered pot and remains a hazard in that square.
Scorpion on a Stick. The kobold makes a melee attack with a scorpion (see the Monster
Monsters
Monster Manual
ends.
Lightning Breath (Recharge 5–6);{"diceNotation":"1d6", "rollType":"recharge", "rollAction":"Lightning Breath"}. Dexterity Saving Throw: DC 16, each creature in a 90-foot-long, 5-foot- wide Line
", "rollAction":"Swallow", "rollDamageType":"Acid"} Acid damage at the start of each of the behir’s turns.
If the behir takes 30 damage or more on a single turn from the swallowed creature, the
Monsters
Monster Manual
). If the cataclysm fails a saving throw, it can choose to succeed instead.
Siege Monster. The cataclysm deals double damage to objects and structures.Multiattack. The cataclysm makes two Elemental Burst
a type chosen by the cataclysm: Acid;{"diceNotation":"5d6+8", "rollType":"damage", "rollAction":"Elemental Burst (Acid)", "rollDamageType":"Acid"}, Cold;{"diceNotation":"5d6+8", "rollType":"damage
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
Monsters
Monster Manual
":"Reflective Carapace"}. On a 1–5, the tarrasque is unaffected. On a 6, the tarrasque is unaffected and reflects the spell, turning the caster into the target.
Siege Monster. The tarrasque deals
":"Swallow", "rollDamageType":"Acid"} Acid damage at the start of each of the tarrasque’s turns.
If the tarrasque takes 60 damage or more on a single turn from a creature inside it, the tarrasque
Monsters
Monster Manual
with spell attacks):
At Will: Detect Magic, Hold Monster, Ice Knife, Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and no Concentration or Temporary Hit
use to take one of the following actions. The dragon regains all expended uses at the start of each of its turns.
Chill. The dragon uses Spellcasting to cast Hold Monster. The dragon can’t take
Monsters
Monster Manual
uses Spellcasting to cast Hold Monster. The dragon can’t take this action again until the start of its next turn.
Cold Gale. Dexterity Saving Throw: DC 23, each creature in a 60-foot-long, 10
":"Spellcasting"} to hit with spell attacks):
At Will: Detect Magic, Hold Monster, Ice Knife (level 2 version), Shapechange (Beast or Humanoid form only, no Temporary Hit Points gained from the spell, and
Monsters
Monster Manual
Advantage on saving throws against spells and other magical effects.
Siege Monster. The colossus deals double damage to objects and structures.Multiattack. The colossus makes three attacks, using Slam or
"}. Dexterity Saving Throw: DC 26, each creature in a 300-foot-long, 10-foot-wide Line. Failure: 65 (10d12);{"diceNotation":"10d12", "rollType":"damage", "rollAction":"Divine Beam", "rollDamageType
Magic Items
Dungeon Master’s Guide
stone cracks and turns to powder if the book rests on it long enough.
Whenever a creature that isn’t a Fiend or an Undead attunes to the Book of Vile Darkness, that creature makes a DC 17
remains with you only as long as you strive to work evil in the world. If you fail to perform at least one evil act within the span of 10 days, or if you willingly perform a good act, the book
Spells
Player’s Handbook
A shimmering, multicolored plane of light forms a vertical opaque wall—up to 90 feet long, 30 feet high, and 1 inch thick—centered on a point within range. Alternatively, you shape the
through this layer, which is destroyed if it takes at least 25 Cold damage.
2
Orange. Failed Save: 12d6 Acid damage. Successful Save: Half as much damage. Additional Effects: Magical ranged
Monsters
Planescape: Adventures in the Multiverse
the spellcasting ability (spell save DC 13):
At will: command,* detect thoughts,* sending*
1/day each: confusion,* dominate monster*
*To cast this spell, the swarm must have more than half its hit
Psychic Messenger. The swarm can use its sending spell to target someone familiar to a creature in telepathic contact with the swarm.
Swarm. The swarm can occupy another creature’s space and
Monsters
Van Richten’s Guide to Ravenloft
Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny limb. The swarm can’t regain hit points or gain
temporary hit points.
Unusual Nature. The swarm doesn’t require air, food, drink, or sleep.Multiattack. The swarm makes one Undead Mass attack and one Grasping Limbs attack.
Undead Mass. Melee
Monsters
Mordenkainen Presents: Monsters of the Multiverse
constituents. The rats become smarter as a result, and retain their heightened intelligence for as long as the swarm persists. The swarm also awakens latent psionic abilities implanted within each cranium
Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny rat. The swarm can’t regain hit points or gain
Monsters
Van Richten’s Guide to Ravenloft
Limited Spell Immunity. The swarm automatically succeeds on saving throws against spells of 3rd level or lower, and the attack rolls of such spells always miss it.
Swarm. The swarm can occupy
another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny gremishka. The swarm can’t regain hit points or gain temporary hit points.Bites. Melee
Monsters
Monstrous Compendium Vol. 4: Eldraine Creatures
", "rollType":"damage", "rollAction":"Rancid Bite", "rollDamageType":"acid"} acid damage. If the target is a creature, it must succeed on a DC 12 Constitution saving throw or have the poisoned
condition until the start of the sewer king’s next turn.
Summon Swarm (1/Day). The sewer king chitters and summons a swarm of rats to its aid. The swarm appears in an unoccupied space within 30 feet of
Monsters
Van Richten’s Guide to Ravenloft
Swarm. The swarm can occupy another creature’s space and vice versa, and the swarm can move through any opening large enough for a Tiny maggot. The swarm can’t regain hit points or gain
temporary hit points.Infestation. Melee Weapon Attack: +3;{"diceNotation":"1d20+3","rollType":"to hit","rollAction":"Infestation"} to hit, reach 0 ft., one target in the swarm’s space. Hit: 10
Monsters
Mordenkainen Presents: Monsters of the Multiverse
their heightened intelligence for as long as the swarm persists. The swarm also awakens latent psionic abilities implanted within each cranium rat by its mind flayer creators, bestowing upon the swarm
rats come together to form a swarm, they merge their minds into a single intelligence with the accumulated memories of all the swarm’s constituents. The rats become smarter as a result, and retain
Monsters
Spelljammer: Adventures in Space
Spider Climb. The swarm can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.
Swarm. The swarm can occupy another creature’s space and vice
versa, and the swarm can move through any opening large enough for a Tiny neogi hatchling. The swarm can’t regain hit points or gain temporary hit points.Swarm of Bites. Melee Weapon Attack: +3
Monsters
Quests from the Infinite Staircase
Aversion to Fire. If the swarm takes fire damage, it has disadvantage on attack rolls and ability checks until the end of its next turn.
Incessant Gibberish. Any non-gibberling that is within 60
feet of the swarm and doesn’t have the deafened condition has disadvantage on Constitution saving throws to maintain concentration on spells and similar effects.
Swarm. The swarm can occupy
Monsters
Thieves’ Gallery
each: Evard's black tentacles, finger of death, time stop
Swarm of Meteors (1/Day). Sofina magically calls down a meteor swarm that detonates in four 40-foot-radius spheres, each one centered on a point
", "rollType":"damage", "rollAction":"Swarm of Meteors", "rollDamageType":"fire"} fire damage and 35 (10d6);{"diceNotation":"10d6", "rollType":"damage", "rollAction":"Swarm of Meteors", "rollDamageType
Monsters
Van Richten’s Guide to Ravenloft
","rollType":"heal","rollAction":"Magic Allergy"} hit points.
5–6. The gremishka explodes and dies, and one swarm of gremishkas instantly appears in the space where this gremishka died. The swarm uses
overwhelm—or just get a bite of.
Gremishkas have an unstable relationship with magic. Spells cast near a gremishka might rebound onto those nearby or cause the monster to explode, its scaly chunks