Facetshard Beetle

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👁 Read Only by Frazer 👁 202 views

Tiny Beast, Unaligned

Armor Class 16 (natural armor)

Hit Points 18 (4d4+8)

Speed 20 ft. climb 10 ft.

STR 14 (+2)

DEX 14 (+2)

CON 14 (+2)

INT 4 (-3)

WIS 12 (+1)

CHA 4 (-3)

Skills Stealth +6, Perception +4

Senses darkvision 60 ft., passive Perception 14

Languages —

Challenge 2 (450 XP) Proficiency Bonus +2

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

Crystal Shell. The beetle's razor-sharp crystal shell acts as natural armor. If a creature hits it with a melee attack, the attacker takes 1d4 slashing damage from crystal shards.

Actions

Multiattack. The beetle makes two attacks: one Bite and one Claw.

Bite. Melee weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 5 (1d6+2) piercing damage. The beetle clamps down with its razor-edged mandibles.

Claw. Melee weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 4 (1d4+2) slashing damage. Crystalline forelimbs rake across the target, leaving shallow cuts.

Environment Underdark

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Lore & Description

Appearance

A fist-sized beetle with a gleaming, faceted shell of razor-sharp crystal. Its carapace looks as if it were carved from a shard of a frozen prism, catching light and refracting it into jagged gleams. The shell is brittle yet incredibly deadly in close quarters, capable of slicing through fabric and flesh with terrifying precision. The creature moves with surprising speed for its size, weaving between rocks as it hunts mineral dust and tiny morsels of magical energy. When threatened, it flicks its facets to glare with cold blue light, and a shower of crystal shards can puncture the air.

Behavior & Origins

Facetshard beetles dwell in crystal-strewn caverns of the Underdark, where mineral deposits hum with magical energy. Though tiny, their razor-like shells make them dangerous defenders of their lairs, and their chitinous bodies can vibrate to direct sound waves that disorient prey. They typically hunt in packs or solo, feeding on mineral dust and subtle magical energies. Traders sometimes use their shards as makeshift blades, though biting shards can be hazardous to the wielder as well.

Generation Info

Original prompt:
"A beetle the size of a fist with a shell made of razor-sharp crystal."

Created: Feb 2, 2026
Modified: May 31, 2026