Copperwire Hypersqueak

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👁 Read Only by Frazer 👁 174 views

Small Undead (clockwork, magic-detection), Neutral Evil

Armor Class 13 (natural armor)

Hit Points 25 (6d6+4)

Speed 20 ft.

STR 12 (+1)

DEX 14 (+2)

CON 12 (+1)

INT 8 (-1)

WIS 11 (+0)

CHA 4 (-3)

Saving Throws Con +3

Skills Stealth +5, Perception +4

Damage Immunities poison

Condition Immunities poisoned

Senses darkvision 60 ft., passive Perception 14

Languages —

Challenge 1/2 (100 XP) Proficiency Bonus +2

Copper Wire Senses. Whenever magic is detected within 60 feet, this creature twitches and its copper wires spark, snapping toward the source of magic.

Undead Fortitude. If damage reduces the rat to 0 hit points, it must make a DC 10 Constitution saving throw. On a success, it drops to 1 hit point instead.

Actions

Multiattack. The rat makes two attacks: one Bite and one Wire Lash.

Bite. Melee weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 4 (1d6+1) piercing damage. The bite is a ragged, bone-cracking strike from a rat-sized skeletal maw.

Wire Lash. Melee weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 3 (1d4+1) piercing damage. Copper wire wrapped around a hooked stinger snaps outward, catching on clothing or flesh.

Environment Underdark

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Lore & Description

Appearance

A rat-sized skeleton stitched together with copper wire. The wires thread through bone like a delicate, metallic nervous system; joints creak with every movement. When magic hums in the air, the copper glints, and the rat’s twitching becomes almost feverish, as if the wire conducts an unseen current that guides its fleshless limbs toward sources of power.

Behavior & Origins

These stitched rat-constructs are the work of obscure necromantic artificers who sought to sense magical auras. The copper wires serve as both aesthetic and sensor, twitching whenever arcane energies stir nearby. They skitter through ruined vaults and dungeon corridors, often preceding more dangerous guardians or acting as alarms for their makers. Though small and seemingly fragile, a colony of these wire-bound rats can form a surprising front when their magical detection triggers a protective response.

Generation Info

Original prompt:
"A skeletal rat stitched together with copper wire that twitches when magic is nearby."

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