Insectbreath Dragon

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Large Dragon (swarm of insects, breath weapon), Chaotic Evil

Armor Class 17 (natural armor)

Hit Points 126 (12d10+60)

Speed 30 ft. fly 60 ft.

STR 22 (+6)

DEX 14 (+2)

CON 18 (+4)

INT 10 (+0)

WIS 12 (+1)

CHA 10 (+0)

Saving Throws Con +7, Wis +4

Skills Stealth +5, Perception +6

Senses darkvision 60 ft., passive Perception 16

Languages Common, Draconic

Challenge 8 (3,900 XP) Proficiency Bonus +3

Keen Senses. The dragon has advantage on Wisdom (Perception) checks that rely on sight, hearing, or smell.

Actions

Multiattack. The dragon makes three attacks: one bite and two claws.

Bite. Melee weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 12 (2d8+3) piercing damage.

Claw. Melee weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 9 (2d6+2) slashing damage.

Insect Swarm Breath (Recharge 5-6). The dragon exhales a swarm of biting insects in a 30-foot cone. Each creature in that area must make a DC 15 Dexterity saving throw, taking 42 (12d6) piercing damage on a failed save, or half as much on a successful one.

Environment Forest, Mountain

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Lore & Description

Appearance

A dragon-like predator with emerald scales flecked with amber, a spiked crest, and a hooded jaw that opens to reveal a swelling cloud of biting insects in place of a traditional breath. Its wings are dark and membranous, with stinging insects trailing between the leathery folds. The insect swarm seems to escape with every exhale, a living cloud that bites at intruders and leaves them itching and coughing from the swarm.

Behavior & Origins

The Insectbreath Dragon haunts forested and rocky highlands, a terror that turns its breath into a living swarm. Instead of fire, it releases a ravenous cloud of gnats, wasps, and beetles that bites and stings, taking advantage of the confusion to strike. Legends tell of plains-sweeping swarms that descend upon adventurers who dared pollute a sacred grove, forcing them to flee or fall to the relentless bite of the swarm.

Generation Info

Original prompt:
"A dragon-like creature that exhales swarms of biting insects."

Created: Feb 2, 2026
Modified: May 22, 2026