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Desert Devourer Swarm - AI-generated fantasy Monster

Desert Devourer Swarm

Locals first blame drought, raiders, or a plague of locusts. In truth, pale worms have been spreading beneath the town for weeks. They enter houses through holes hidden beneath beds and hearths, pull sleeping victims underground, and leave only clothing behind. The colony's actions are deliberate: the worms are harvesting food and plant matter for a queen buried somewhere far below the settlement.

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SmallBeast(Swarm)CR 10Unaligned

Desert Devourer Swarm

desert horrorburrowing predatorswarmfolk horrorinvestigation monstercolony creatureplantation threattunnel ambusher
HP15AC2 points from densely packed bodies and leathery skinSPD8 meters underground, 5 meters across open ground, Can burrow through loose soil at half speed, Cannot burrow through solid stone without leaving obvious damageCR10ClimbDodgeListenStealthTrack by Vibration
STR
70
CON
60
save
DEX
35
INT
15
POW
50
save
SIZ
25
APP
0
EDU
0
Burrower. The swarm can pass through gaps as narrow as 5 centimeters and can create a new burrow through loose soil in minutes.
Colony Body. The worms act as one creature. Damage from a single successful attack cannot reduce the swarm below 1 hit point unless the attack uses fire, electricity, explosives, or affects an area.
Flesh-Crawling Mass. Any creature that begins its turn inside the swarm's space suffers damage as worms bite exposed flesh.
Vibration Sense. The swarm can detect movement through soil and wooden structures, ignoring penalties for darkness when targets are within 20 meters and connected to the same ground.
Fire Panic. When the swarm takes fire damage, it must immediately make a CON roll. On a failure, it scatters, loses its next action, and cannot use Devouring Surge until the following round.
Devouring Surge. The swarm surges over a target within 1 meter. Roll against 70% for the attack. On a success, the target suffers damage and must make a Dodge roll or become entangled beneath the writhing bodies. An entangled target takes damage automatically at the end of each round until the swarm moves away or is dispersed.
Burrowing Ambush. The swarm erupts from loose soil beneath one target within 5 meters. The target must make a Hard Dodge roll or fall prone and suffer damage. The swarm may immediately move up to its full movement across the exposed ground.
Voracious Feeding. The worms consume a patch of vegetation, livestock, or a helpless human. A living target suffers damage per round. Plants wither within minutes, while a human corpse is reduced to bones and scraps of clothing after 10 minutes.
Subterranean Chitter. The swarm releases a vibrating chorus of wet clicks and scraping mandibles. Every living creature within 10 meters must make a POW roll or lose Sanity points and become overwhelmed by nausea for rounds.
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