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Crag Cat

Monsters Storm King's Thunder

Nondetection. The cat can’t be targeted or detected by any divination magic or perceived through magical scrying sensors. Pounce. If the cat moves at least 20 feet straight toward a creature

as a bonus action. Spell Turning. The cat has advantage on saving throws against any spell that targets only the cat (not an area). If the cat’s saving throw succeeds and the spell is of 7th

Nurvureem

Monsters Princes of the Apocalypse

, the dragon has resistance to damage that isn’t force, psychic, or radiant. Shadow Stealth. While in dim light or darkness, the dragon can take the Hide action as a bonus action. Sunlight

within 20 feet of such a pool must succeed on a DC 15 Strength saving throw or be pulled up to 20 feet into the water and knocked prone. A cloud of swarming insects fills a 20-foot-radius sphere

Star Spawn Larva Mage

Monsters Mordenkainen Presents: Monsters of the Multiverse

Return to Worms. When the mage is reduced to 0 hit points, it breaks apart into a swarm of insects (see the Monster Manual) in the same space. Unless the swarm is destroyed, the mage reforms from it

", "rollType":"recharge", "rollAction":"Tharizdun's Spark"}. As a bonus action, the cultist touches a simple or martial weapon or a natural weapon, if it has one. The next creature hit by the touched weapon

Fraz-Urb'luu

Monsters Mordenkainen Presents: Monsters of the Multiverse

other magical effects. Undetectable. Fraz-Urb’luu can’t be targeted by divination magic, perceived through magical scrying sensors, or detected by abilities that sense demons or

-Urb’luu grants his cultists the Liar’s Eye trait. Liar’s Eye. This creature has advantage on Wisdom (Insight or Perception) checks. As a bonus action, the creature detects the

Adult Emerald Dragon

Monsters Fizban's Treasury of Dragons

disguised as a human merchant prince. 5 An adult emerald dragon shows an emerald dragon wyrmling how to safely observe Humanoids without being detected. 6 An adult emerald dragon keeps a

points or uses a bonus action to end it. Psychic Step. The dragon magically teleports to an unoccupied space it can see within 60 feet of it.

Star Spawn Larva Mage Legacy

Monsters Mordenkainen’s Tome of Foes

attacks). It can innately cast the following spells, requiring no material components: At will: eldritch blast (3 beams, +3 bonus to each damage roll), minor illusion 3/day: dominate monster 1/day

: circle of death Return to Worms. When the larva mage is reduced to 0 hit points, it breaks apart into a swarm of insects in the same space. Unless the swarm is destroyed, the larva mage reforms from it

Staff of Power

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide

Staff of Power Staff, Very Rare (Requires Attunement by a Sorcerer, Warlock, or Wizard) This staff has 20 charges and can be wielded as a magic Quarterstaff that grants a +2 bonus to attack rolls and

damage rolls made with it. While holding it, you gain a +2 bonus to Armor Class, saving throws, and spell attack rolls. Spells. While holding the staff, you can cast one of the spells on the

Giant Dragonfly

Compendium - Sources->Dungeons & Dragons->The Wild Beyond the Witchlight

Giant Dragonfly A giant dragonfly has a 20-foot wingspan. It drones loudly as it hovers and darts through the air, searching for smaller insects to consume. Giant Dragonfly Large Beast, Unaligned

(–4) Senses passive Perception 10 Languages — Challenge 1/2 (100 XP) Proficiency Bonus +2 Drone. When it beats its wings, the dragonfly emits a loud droning sound that can be heard out to a

4. Fungi Thicket

Compendium - Sources->Dungeons & Dragons->Out of the Abyss

Underdark” in chapter 2). The first time a Small or larger character reaches the tunnel intersection, two swarms of insects (centipedes) emerge from nests under the thicket and attack. Two more swarms

of insects (spiders) arrive on the second round of combat, plus another swarm of insects (centipedes) on the third round. Treasure The abundance of fungi in the thicket makes it easy to forage here

Grim Champion of Pestilence

Compendium - Sources->Dungeons & Dragons->The Book of Many Things

Harrow’s three leaders, the Grim Champion of Pestilence is nonetheless a fearsome entity of sickness and blight. A swarm of insects surrounds him in a mockery of a halo, and debilitating plagues flow from

, frightened, poisoned, stunned, unconscious Senses darkvision 60 ft., passive Perception 17 Languages Common, Infernal Challenge 15 (13,000 XP) Proficiency Bonus +5 Halo of Pestilence. The

Staff of Power

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)

Staff of Power Staff, very rare (requires attunement by a sorcerer, warlock, or wizard) Staffs Left to Right: Insects, Healing, Power, Magi, and Frost This staff can be wielded as a magic

quarterstaff that grants a +2 bonus to attack and damage rolls made with it. While holding it, you gain a +2 bonus to Armor Class, saving throws, and spell attack rolls. The staff has 20 charges for the

Swarmkeeper

Compendium - Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything

Swarmkeeper I love insects—organized, relentless, specialized little champions. And aligning their single-minded will with your own: beautiful. Just keep them out of my lab. Tasha Feeling a deep

insects 2 Miniature twig blights 3 Fluttering birds 4 Playful pixies Once on each of your turns, you can cause the swarm to assist you in one of the following ways, immediately after you hit a

Crag Cat

Compendium - Sources->Dungeons & Dragons->Storm King's Thunder

) Nondetection. The cat can’t be targeted or detected by any divination magic or perceived through magical scrying sensors. Pounce. If the cat moves at least 20 feet straight toward a creature and

bonus action. Spell Turning. The cat has advantage on saving throws against any spell that targets only the cat (not an area). If the cat’s saving throw succeeds and the spell is of 7th level or

Nupperibo

Compendium - Sources->Dungeons & Dragons->Monsters of the Multiverse

fiendish power commands it. Individually, nupperibos are weak, but they’re rarely alone and can be dangerous when gathered into packs. Clouds of stinging insects, stirges (see the Monster Manual), and

Languages understands Infernal but can’t speak Challenge 1/2 (100 XP) Proficiency Bonus +2 Cloud of Vermin. Any creature, other than a devil, that starts its turn within 20 feet of one or more

Gloom Weaver

Compendium - Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes

weighs down the heart, causing those within its oppressive aura to feel the approach of death. This torment alone is enough to please its master, the Raven Queen, but should it be detected, a gloom

(3d8 damage), eldritch blast (3 beams, +4 bonus to each damage roll), minor illusion, prestidigitation 1st−5th level (3 5th-level slots): armor of Agathys, blight, darkness, dream, invisibility, fear

Crag Cat

Compendium - Sources->Dungeons & Dragons->Icewind Dale: Rime of the Frostmaiden

1 (200 XP) Nondetection. The cat can’t be targeted or detected by any divination magic or perceived through magical scrying sensors. Pounce. If the cat moves at least 20 feet straight toward a

against it as a bonus action. Spell Turning. The cat has advantage on saving throws against any spell that targets only the cat (not an area). If the cat’s saving throw succeeds and the spell is of 7th

Miner Difficulties

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide

of Insects (spiders) 3 One Darkmantle and three Piercers 4 A patch of yellow mold (see “Hazards” in chapter 3) on a miner’s remains 5 One Gelatinous Cube 6 Sounds of Terror (see below) Sounds of

hurries here to rejoin its kin. As long as the characters stay out of its way, it ignores them as it scrambles back through the hole, never to plague the mine again. Each character then earns a bonus 200 XP.

Basilisk

Compendium - Sources->Dungeons & Dragons->Monster Manual

umber hulk or a troglodyte. 7 Someone caught in a comic pose or making a regrettable face. 8 A victim now being used as a nest for insects or other vermin. Basilisk Medium Monstrosity, Unaligned AC

. Bonus Actions Petrifying Gaze (Recharge 4–6). Constitution Saving Throw: DC 12, each creature in a 30-foot Cone. If the basilisk sees its reflection in the Cone, the basilisk must make this save. First

Swarms

Compendium - Sources->Dungeons & Dragons->Van Richten’s Guide to Ravenloft

Swarms Base creatures are among the first to respond to sinister forces at work in a land. As nefarious powers grip an area, populations of maggots, scarabs, and similar scavenging insects explode

, petrified, prone, restrained, stunned Senses blindsight 10 ft., passive Perception 8 Languages — Challenge 2 (450 XP) Proficiency Bonus +2 Swarm. The swarm can occupy another creature’s space and

Asteroid Spider

Compendium - Sources->Dungeons & Dragons->Monstrous Compendium Volume One: Spelljammer Creatures

often haunts asteroid belts, lurking among normal asteroids until a spelljamming ship comes close enough to be detected. The spider then snares the ship before using web strands to catch crew members

+5 Senses darkvision 120 ft., blindsight 120 ft. while the spider’s eyes are closed, passive Perception 21 Languages — Challenge 15 (13,000 XP) Proficiency Bonus +5 False Appearance. If the

Kobold Inventor

Compendium - Sources->Dungeons & Dragons->Monsters of the Multiverse

(+2) WIS 10 (+0) CHA 8 (−1) Senses darkvision 60 ft., passive Perception 10 Languages Common, Draconic Challenge 1/4 (50 XP) Proficiency Bonus +2 Pack Tactics. The kobold

-foot-square space within 20 feet of it. A 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’s turns

Chitine

Compendium - Sources->Dungeons & Dragons->Monsters of the Multiverse

insects such as ants. They are divided into worker and warrior castes; choldriths, when present, occupy the top levels of a colony’s hierarchy. Each chitine has a social position that comes with

Senses darkvision 60 ft., passive Perception 10 Languages Undercommon Challenge 1/2 (100 XP) Proficiency Bonus +2 Fey Ancestry. The chitine has advantage on saving throws against being charmed

Traps in Play

Compendium - Sources->Dungeons & Dragons->Basic Rules (2014)

, or drive off any creature unfortunate enough to trigger them. A trap's description specifies what happens when it is triggered. The attack bonus of a trap, the save DC to resist its effects, and the

the indicated levels. A deadly trap is likely to kill characters of the indicated levels. Trap Save DCs and Attack Bonuses Trap Danger Save DC Attack Bonus Setback 10-11 +3 to +5 Dangerous 12-15 +6

Traps in Play

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide (2014)

, contain, or drive off any creature unfortunate enough to trigger them. A trap’s description specifies what happens when it is triggered. The attack bonus of a trap, the save DC to resist its effects, and

the indicated levels. A deadly trap is likely to kill characters of the indicated levels. Trap Save DCs and Attack Bonuses Trap Danger Save DC Attack Bonus Setback 10–11 +3 to +5 Dangerous 12–15

Example Traps

Compendium - Sources->Dungeons & Dragons->D&D Beyond Basic Rules

creature can examine the trapped area and make a DC 11 Wisdom (Perception) check, detecting the trip wire and the unstable section of ceiling on a successful check. Once detected, the trip wire can be

. As a Search action, a creature can examine the trapped area and make a DC 11 Wisdom (Perception) check, detecting the trip wire and the suspended Net on a successful check. Once detected, the trip

Death Giants

Compendium - Sources->Dungeons & Dragons->Bigby Presents: Glory of the Giants

denying that death giants can make excellent use of it. —Bigby Death Giant Reaper Death giant reapers wield massive scythes and wear armor that resembles the carapaces of giant insects. They wield the

Perception 17 Languages Giant Challenge 12 (8,400 XP) Proficiency Bonus +4 Actions Multiattack. The giant makes two Scythe or Soul Bolt attacks. Scythe. Melee Weapon Attack: +12 to hit, reach 15 ft

Simple Traps

Compendium - Sources->Dungeons & Dragons->Xanathar's Guide to Everything

open, and so on. This entry specifies what the trap targets, its attack bonus or saving throw DC, and what happens on a hit or a failed saving throw. Countermeasures. Traps can be detected or

Star Spawn Larva Mage

Compendium - Sources->Dungeons & Dragons->Mordenkainen's Tome of Foes

innately cast the following spells, requiring no material components: At will: eldritch blast (3 beams, +3 bonus to each damage roll), minor illusion 3/day: dominate monster 1/day: circle of

death Return to Worms. When the larva mage is reduced to 0 hit points, it breaks apart into a swarm of insects in the same space. Unless the swarm is destroyed, the larva mage reforms from it 24 hours

Example Traps

Compendium - Sources->Dungeons & Dragons->Dungeon Master’s Guide

creature can examine the trapped area and make a DC 11 Wisdom (Perception) check, detecting the trip wire and the unstable section of ceiling on a successful check. Once detected, the trip wire can be

. As a Search action, a creature can examine the trapped area and make a DC 11 Wisdom (Perception) check, detecting the trip wire and the suspended Net on a successful check. Once detected, the trip

The Infernal Machine of Lum the Mad

Magic Items Infernal Machine Rebuild

. 07 You can cast the speak with animals spell at will, but can use it to communicate only with insects. Disturbing whispers on the edge of hearing haunt all creatures within 30 feet of you

, causing those creatures to recall their saddest memories. 08 You have a +1 bonus to Wisdom (Insight checks) involving creatures you can see. Your body is ghostly and translucent except for your

Fraz-Urb'luu

Compendium - Sources->Dungeons & Dragons->Monsters of the Multiverse

Languages all, telepathy 120 ft. Challenge 23 (50,000 XP) Proficiency Bonus +7 Legendary Resistance (3/Day). If Fraz-Urb’luu fails a saving throw, he can choose to succeed instead. Magic Resistance

, or detected by abilities that sense demons or Fiends. Actions Multiattack. Fraz-Urb’luu makes one Bite attack and two Fist attacks, and he uses Phantasmal Terror. Bite. Melee Weapon Attack: +16

9. Ice Spider Tunnels

Compendium - Sources->Dungeons & Dragons->Storm King's Thunder

bonus to attack rolls made with it and adds her Strength bonus (+3) to the weapon’s damage on a hit. If Noori is revived, she is startled and confused by her surroundings. Like most Uthgardt, she is

swarm of insects (spiders) that acts on the queen’s initiative count. The swarm has resistance to cold damage. If there are no foes for the swarm to attack, it begins devouring the corpse of its mother

Clockworks

Compendium - Sources->Dungeons & Dragons->Monsters of the Multiverse

segmented body remains buried. If detected, it sends electrical shocks through the ground toward pursuers while it retreats. Clockwork Bronze Scout Medium Construct, Unaligned Armor Class 13 Hit

language of its creator but can’t speak Challenge 1 (200 XP) Proficiency Bonus +2 Earth Armor. The clockwork doesn’t provoke opportunity attacks when it burrows. Magic Resistance. The clockwork

Supernatural Regions

Compendium - Sources->Dungeons & Dragons->Tasha’s Cauldron of Everything

, writing on foggy glass, or insects swarming to create messages. 76–80 During the next night, one sleeping character in the region receives a vision as if the target of the dream spell. The dream is brief

worlds, the biomass of insects radically outweighs that of higher organisms. Mass migrations and deadly insect species can imperil larger creatures, but most insects remain nothing more than an annoyance

Ankheg

Compendium - Sources->Dungeons & Dragons->Monster Manual

Ankheg Burrowing Insectile Predator Habitat: Forest, Grassland; Treasure: None Oversize insects, ankhegs burrow close to the surface, creating sprawling underground labyrinths. From these tunnels

Bonus Actions Teleport. The arcanaloth teleports up to 30 feet to an unoccupied space it can see. Reactions Counterspell. The arcanaloth casts Counterspell in response to that spell’s trigger, using the same spellcasting ability as Spellcasting.

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