Wasteland Bestiary

WLS FIELD SURVEY · creatures synthesized from real pre-Fall science · fiction outside, citations inside

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WLS-0013 · CANON RECORD

Tremor Trematode

Parasite — Neural Manipulator

“A parasite that hijacks fear through seismic deceit.”

Generated portrait of Tremor Trematode: Parasite — Neural Manipulator
3threat
2vitality
1armor
4speed
8cunning
COMMON Some pre-Fall genius decided to weaponize fear by blending a mind-altering parasite with a seismically sensitive life cycle. They drilled too deep, as humans do, and now their little horror show thrives wherever the ground won't hold still.

Special Ability

◈ Seismic Hypnosis

It doesn't just make hosts ignore danger—it makes them love it. Vibrations become a lure, drawing them toward collapsing ground like moths to a flame that's also an earthquake.

HabitatThey lurk in the soggy underworld of the Rust Meridian—aquifers, fault lines, anywhere the earth is feeling twitchy. They only come out to play when the ground does the shaking for them.
DietThey're parasites, darling. They start small, snacking on the brains of bugs and rodents, then work their way up to the main course: your cerebrospinal fluid. A real neural gourmet.
BehaviorThey sleep until vibrations tell them it's time to eat. Then they burrow into anything dumb enough to be nearby, crawl straight to the brainstem, and redecorate. Their hosts develop a sudden, fatal appreciation for unstable architecture.

Field Notes

Their larvae sleep in mud and puddles like tiny, patient landmines, waiting for the planet's shrug to wake them. They're tuned to the specific frequencies of fault lines—because of course they are—so they only bother emerging when the ground is busy tearing itself apart. Perfect timing for a parasite: show up just as the infrastructure fails and everything's leaking.

Once inside a host, they perform a neat little hack on the fear circuits. They don't just suppress fear—they rewrite it. Tremors become a siren song, unstable ground feels like home. The infected linger in crumbling ruins with the calm of a tourist at a spa, right up until the ceiling gives way. It's not mind control; it's tasteful redecorating of your survival instincts.

They turn your fear into a death wish, set to the rhythm of the planet's tantrums.

Reality Scraps · Source Material

The creature is fiction. These are the real, verifiable facts it was synthesized from, with the exact public records used.

geology · REALITY SCRAP

M 5.6 - 94 km SW of Tamarindo, Costa Rica — A magnitude 5.6 earthquake struck 94 km SW of Tamarindo, Costa Rica on 2026-09-30, at 8.0 km depth.

Source: USGS Earthquake Catalog original record ↗

research · REALITY SCRAP

Neuroinflammation-Associated Aspecific Manipulation of Mouse Predator Fear by Toxoplasma gondii — Peer-reviewed work (2020) “Neuroinflammation-Associated Aspecific Manipulation of Mouse Predator Fear by Toxoplasma gondii”. published in Cell Reports. Abstract excerpt: In rodents, the decrease of felid aversion induced by Toxoplasma gondii, a phenomenon termed fatal attraction, is interpreted as an adaptive manipulation by the neurotropic protozoan parasite. With the aim of understanding how…

Source: OpenAlex (record WW2999987499) original record ↗

biology · REALITY SCRAP

Diplostomum pseudospathaceum Niewiadomska, 1984 — GBIF holds a georeferenced occurrence of Diplostomum pseudospathaceum Niewiadomska, 1984 from Czechia in 2021 (record 6189397516).

Source: GBIF Occurrence Records original record ↗

biology · REALITY SCRAP

Lycosa tarantula (Linnaeus, 1758) — Recorded common names for Lycosa tarantula (Linnaeus, 1758) in GBIF include: Achamfour, Lycosa tarentula, Qhampu, Tarantel, Tarantula, Tarantula wolf spider.

Source: GBIF Vernacular Names original record ↗