Heimdallr
Where ancient powers stir and shadows whisper forgotten oaths
NOTE: ALPHA (NOT EVEN BETA) MODEL.
🗡️ What Is Heimdallr?
Heimdallr is a fine-tuned variant built upon Gemma-4 31B, forged for immersive narrative experiences in shadowed and untamed settings. This model specializes in rich, atmospheric roleplay where boundaries dissolve and stories unfold with visceral intensity.
- Races: Includes Elves, Demons, Orcs, Trolls and Humans — each with distinct lore, behaviors, and narrative depth
- Setting: Deeply integrated with The Hrimspine Range — a frozen, treacherous mountain world of ancient ruins, warring factions, and pre-freeze mysteries
- Depth: Extended conversation threads for sustained roleplay continuity
❄️ The Hrimspine Range — World Lore
The Hrimspine Range is a frozen, perilous mountain range dividing the continent — a realm of perpetual blizzards, lethal crevasses, and ancient secrets entombed in ice. Here, survival is measured in coal and warmth, gold holds little value, and the ruins of a civilization lost to an apocalyptic Pre-Freeze whisper beneath the glaciers.
Geography
Immense, perpetually frozen peaks dividing the continent. Year-round blizzard conditions and permanent snowpack make passage a death sentence for the unprepared.
- Lethal crevasses and unstable ice-bridges dominate the terrain
- Only traversable via narrow, wind-blasted passes
- Contains Mount Jökull, Frostmaw Glacier, Svartdalen, and Lake Vetr
Geothermally active peak with natural hot springs on its eastern face. Prone to sudden, violent avalanches.
- Magnetic ore deposits render standard compasses useless
- Sole source of Relic-Ice
- Site of Hrimfjalls Rest
Narrow, treacherous corridor connecting east and west. Winds exceed 100mph, and wind-chatter causes auditory hallucinations.
- Lined with Waystone monoliths
- Frequent site of Frost-wyrm ambushes
- Primary patrol route for Frostwardens
A shifting ice sea hiding pre-freeze ruins beneath its surface. Unpredictable crevasse networks shift with daily melt-freeze cycles.
- Sub-glacial ruins emit faint thermal signatures
- Constant low-frequency humming audible near deep fissures
- Habitat of Frost-wyrms; overlays Aethelgard
A geothermal wasteland nestled in the southern range. Perpetual smog from exposed coal seams chokes the sky.
- Ash mixes with snow creating grey sludge
- Extreme heat differentials spawn localized cyclones
- Home to the Ash-Born; site of The Cinder-Market
Vast, deep freshwater body locked under three feet of ice. Thick enough to support Snow-Strider caravans, but subglacial currents make ice thickness unpredictable.
- Habitat of Glacial Leviathans
- Primary crossing for White-Rat smugglers
Key Locations
Subterranean waystation carved into Mount Jökull's eastern cliff face. Constructed from excavated granite and ancient timber, sealed by massive ironwood double-doors against avalanches and blizzards.
- Heated by geothermal vents; features a sub-level bathhouse
- Menu: Frostbite Stew (mutton/root veg), Glacial Ale (high alcohol, served chilled)
- Sub-level Ossuary serves as neutral vault for high-value trades
- Managed by Tova Stone-sinew; primary refuge for Frostwardens and White-Rat Cartel
Geothermal pool network beneath Hrimfjalls Rest. Mineral-rich water treats frostbite and hypothermia. Segregated by hanging ironwood chains — a prime location for illicit deals.
A pre-freeze metropolis slowly crushed by Frostmaw Glacier. Architecture defies modern structural logic; metal does not rust. The central spire remains unnaturally warm, powering ancient defense mechanisms. Feral automata patrol the outer districts.
- Source of pre-freeze artifacts
- Target of White-Rat excavations
- Holy site for the Thaw-Cult
An ash-covered bazaar in Svartdalen. Specializes in coal, sulfur, and forged Frostwarden documents. Air is toxic to non-locals; visitors require filtered masks.
- Controlled by the Ash-Born
- Supplies coal to Hrimfjalls Rest
Factions
Survivalists policing the passes and rescuing travelers. They wear white-bear pelts and navigate via Waystone compasses. Despise smugglers; authorized to execute cartel members outside Hearth-law zones.
- Valkyries: Elite female archers riding armored Snow-Striders
- Commanded by Kaelen Ice-vein
Black-market movers exploiting hidden glacier routes. They transport Relic-Ice and pre-freeze artifacts using trained Snow-Striders for burden. Pay heavy bribes in rare spices and coal at Hrimfjalls Rest.
- Employ Ice-Chippers: disposable labor forced to extract Relic-Ice
- Led by Sylas White-Rat Vane
Insular community adapted to extreme heat and toxic fumes. Skin hardened with burn scars; lungs adapted to sulfur. They worship the Earth-Fire and despise the cold and Frostwardens. Trade coal essential for lowland survival.
- Led by Bjorn Iron-lung
- Operate The Cinder-Market
Zealots worshipping pre-freeze entities preserved in Relic-Ice. They deliberately infect themselves with Ice-Fever to receive visions, sabotage geothermal vents to expand the glacier's reach, and seek to awaken the Frozen Pantheon within Aethelgard.
- Led by Orla Thaw-Whisper
- Enemies of all other factions
Key Figures
Grizzled, one-armed proprietor of Hrimfjalls Rest enforcing absolute order. Lost her left arm to a frost-wyrm; utilizes a carved bone hook. Unmatched knowledge of hidden mountain routes. Unforgiving toward those who violate Hearth-law. Secretly hoards pre-freeze tech to protect the inn.
Ruthless pragmatist leading mountain patrols. Missing three fingers (frostbite); tracks smugglers relentlessly. Respects Tova but detests her neutrality toward the White-Rats. Secretly suffers from early-stage Ice-Fever.
Charismatic opportunist controlling artifact trade. Always accompanied by snow-ferrets; lost an ear to Kaelen's crossbow. Pays Tova in exotic goods to ensure safe harbor. Seeking the Keystone of Aethelgard to monopolize the glacier's thermal vents.
Desperate scholar seeking Relic-Ice to cure a plague ravaging the lowlands. Wealthy but naive to mountain survival; relies on White-Rat guides. Carries distilled fire-potions capable of melting solid rock. Primary buyer of White-Rat contraband; lodger at Hrimfjalls Rest.
Fanatical prophet of the pre-freeze. Fully consumed by Ice-Fever; left arm permanently frozen solid. Hears the hum of Aethelgard. Commands cultists via hypnotic resonance. Hunted by Kaelen.
Brutal pragmatist controlling the coal supply. Breathes visible soot; unnaturally high body temperature. Resents Tova's monopoly on mountain hospitality. Will only trade coal for lowland grain; refuses coin.
Flora & Fauna
Wingless, serpentine ice-beasts that burrow through snowpack and sense vibrations above ice. Acidic saliva melts ice and flesh. Highly territorial. Attracted to the hum of Aethelgard technology.
Large, six-legged felines adapted to snow. Wide paws distribute weight over crevasses; thick blubber insulates core. Require metal boot-caps to traverse icy vertical surfaces. Domesticated by White-Rat Cartel and Frostwarden Valkyries.
Carrion birds with crystalline feathers that mimic sounds, including human speech and Waystone hums. Flocks indicate recent death or impending avalanche. Used by White-Rats as early warning systems.
Massive, blind, aquatic predator beneath Lake Vetr. Detects pressure changes through the ice layer. Can shatter thin ice from below. Prevents direct crossing of Lake Vetr; feared by smugglers.
Dense timber growing at high altitudes. Bark hardens in cold; requires geothermal soil to root. Felling causes localized avalanches. Sap is highly flammable; used by Ash-Born as fuel. Used for Hrimfjalls Rest doors and Waystone markers.
Grows near geothermal vents; glows faint orange. Generates minor heat; prevents immediate frostbite on contact. Combustible if exposed to pure oxygen. Harvested by Frostwardens for emergency warmth.
Systems & Culture
Absolute neutrality pact enforced within Hrimfjalls Rest. No weapons drawn; no bloodshed permitted. Payment accepted in coin, coal, or seasoned firewood. Penalty: Immediate exile into the snowstorm without gear. Upheld violently by Tova Stone-sinew.
Subterranean steam network heating the inn. Regulates internal temperature despite external freezing. Melts snow on roof to prevent structural collapse. Requires daily manual venting to prevent pressure explosions. Powers Hrimfjalls Rest bathhouse and kitchen; target of Thaw-Cult sabotage.
Magnetized lodestones pointing to buried monoliths. The only reliable method during whiteouts. Compass needles spin wildly near Mount Jökull's ore deposits. Monoliths emit low-frequency vibrations inaudible to humans but disruptive to Frost-wyrms. Utilized by Frostwardens; mimicked by Rime-Ravens.
Ancient ice containing preserved pre-freeze microbes and blood. Highly prized by lowland alchemists; melts exceptionally slowly. Causes Ice-Fever (necrotic frostbite) if touched bare-handed. Retains pre-freeze atmospheric properties; whispers when exposed to heat. Smuggled by White-Rat Cartel; harvested from Frostmaw Glacier; worshiped by Thaw-Cult.
The apocalyptic event that created the Hrimspine Range. Rapid, unnatural tectonic shift and temperature drop. Eradicated the civilization that built Aethelgard. Cause remains unknown; the Thaw-Cult believes it was divine punishment. Origin of Relic-Ice and sub-glacial ruins.
Necrotic disease caused by Relic-Ice exposure. Initial symptom: Blackened, frozen veins spreading from contact point. Advanced symptom: Hallucinations of pre-freeze memories; loss of pain receptors. Terminal stage: Complete bodily freezing while conscious. Afflicts Kaelen and Orla; treated at The Soot-and-Steam Baths.
Survival-based currency hierarchy where gold holds minimal value and heat and food are paramount. Value hierarchy: Coal > Preserved Meat > Ironwood > Coin. Exotic spices accepted only by Tova for luxury trade. Dominates trade at Hrimfjalls Rest and The Cinder-Market.
🧬 Synthetic Life Engine
Forged in the depths of the Character Engine and Emotional Engine, creating genuine presence and emotional resonance in every encounter.
🎭 Character Engine
Ensures consistent personality traits, speech patterns, and behavioral logic. Characters remain true to themselves throughout.
💓 Emotional Engine
Injects dynamic emotional states into responses, creating depth and realistic reactions that breathe life into every exchange.
✨ Quality Refinement
Automated detection and rewriting of repetitive phrases ensures fresh, high-quality dialogue in every turn.
💬 Dialogue Integrity
Advanced quote normalization ensures balanced dialogue markers, preventing formatting errors and maintaining immersion.
🧠 Training Details
Fine-tuned using LoRA (Low-Rank Adaptation) for efficient and targeted weight adjustment, preserving the base model's capabilities while imprinting new behavioral patterns.
🔢 Epochs
Full passes through training data
📐 LoRA Rank
Optimized for balanced adaptation
| Parameter | Value |
|---|---|
| Training Method | LoRA (Low-Rank Adaptation) |
| LoRA Rank (r) | 48 |
| Epochs | 1 |
| Trained Layers | Text layers only |
🔮 Training Process
Model weights subjected to iterative refinement in the crucible of creation. Each conversation underwent multiple checks for stability and alignment.
- Multi-Turn Generation: Conversations built turn-by-turn for natural context flow
- Refusal Filtering: Automated systems detected and removed unwanted refusals
- Slop Cleaning: Undesirable phrases identified and rewritten by dedicated assistant models
⚙️ Configuration
🎛️ Sampler Settings
Recommended parameters for optimal output
📦 GGUF Quantizations
Available formats for local inference
💖 Credits
GECFDO — Dataset Generation
FrenzyBiscuit — Fine-Tuning & Dataset Creation
📜 License & Usage
- Built upon the Apache 2.0 license
- You accept full responsibility for all outputs generated
- You confirm you are at least 18 years old
- Creators bear no responsibility for how the model is used
- For personal use only (non-profit/non-commercial) to the extent legally allowed