Overview
Nocturans are a reclusive race of bat-blooded humanoids who awakened in Postremo Limine beneath the world’s surface, drawn to resonance, silence, and the rhythm of dripping stone. They do not fear darkness. They define it.
Their souls carry the memory of sonar, night air, and hidden paths. In the endless dusk between Nodes, Nocturans often serve as unseen couriers, cave-guides, seers, scouts, and sentinels. Many Diver groups consider them unsettling allies: whisper-quiet, sharp-smiled, and always listening to something no one else can hear.
Though not naturally hostile, Nocturans are difficult to deceive and dangerous to corner. Their world is shaped by sound, vibration, breath, and movement.
Physical Traits
Nocturans typically stand between 5 ft 5 in and 6 ft 8 in. Their bodies are light-framed, flexible, and built for climbing, suspension, gliding, and movement through vertical darkness.
Their skin tones range from pale violet to soot-black, often mottled in ways that help them blend into cave walls, ruins, and shadowed stone. Their ears are elongated and folded, capable of subtle micro-movements that allow them to locate sound sources with extreme precision.
Their eyes are reflective, usually amber, crimson, or pale gold. Nocturan eyes are highly sensitive to light and motion, granting excellent vision in darkness but making sudden brightness painful or disorienting.
Leathery wings stretch from the forearms to the waist, allowing Nocturans to glide silently across long distances when given enough height. Their teeth are sharp, though not inherently predatory, and are often used for cutting fruit, fungal growths, leather, or hard-shelled carapace.
Their voices are low, harmonic, and resonant. Some can vibrate the air itself with controlled tones, producing sounds that are felt as much as heard.
Some Nocturans develop thin fur along the shoulders and spine. This fur acts as an electro-receptive mesh, allowing them to sense vibrations through stone, wind, and nearby movement.
Culture
Most Nocturans dwell in cave-like Nodes, abandoned underground districts, hollow mountains, deep ruins, and sealed tunnel networks. Their communities are usually built around darkness, acoustics, and roosting routes rather than surface-style borders.
Large Nocturan colonies are dynamic and highly social. During rest periods, a colony may break apart into smaller subgroups that sleep in separate roosting locations. During active periods, these groups merge into larger collectives to forage, trade information, exchange roosting spaces, and maintain colony ties.
Female Nocturans often form tight, long-term social cliques within the larger colony. Subgroups are not always based on blood relation, but on trust, shared roosting history, and mutual survival.
Older Nocturans often serve as social anchors, maintaining communication links between distinct subgroups. Their memories help track alliances, safe routes, abandoned tunnels, old debts, and dangerous echoes left behind in unstable Nodes.
In crowded caves or dark settlements, Nocturans can recognize the unique contact calls of specific network members, even among hundreds of overlapping sounds.
While mistrustful of bright civilizations, Nocturans are not isolationists by necessity. Many trade rare minerals, fungal elixirs, cave maps, sonic charms, and underground routes in exchange for technology that can function in darkness.
Abilities
Nocturans possess powerful echolocation, allowing them to emit inaudible pulses to map terrain, detect movement, and identify hidden spaces. Skilled Nocturans can read the shape of a room, the presence of nearby bodies, or changes in solid surfaces through reflected sound.
Their darkvision allows near-perfect adaptation to darkness, though sudden intense light can cause temporary blindness, pain, or confusion.
Nocturans can silently glide through dim spaces by controlling their body posture, wing tension, and breathing rhythm. In caves, towers, ruins, and vertical Nodes, they can appear to vanish into the dark.
Their hearing allows them to detect breathing patterns, heartbeats, footsteps, wingbeats, shifting stone, and distant speech. Some Nocturans can remember conversations or sounds heard weeks before with near-perfect pitch, a trait known as Echo Memory.
In combat, Nocturans favor ambush, disorientation, and positioning over brute force. Sonic bursts, pitch-based hallucinations, and echo manipulation can confuse enemies, distort distance, or force panic in enclosed spaces.
Their main weaknesses are intense light, concussive force, and uncontrolled sonic feedback. Flash weapons, radiant relics, and explosive noise can overwhelm their senses, sometimes triggering panic or frenzied echolocation.
Relationship to Postremo Limine
Nocturans are cautious but not usually aggressive. They prefer avoidance, observation, and controlled negotiation over open conflict.
Diver groups often seek them out as guides through subterranean Nodes, sealed passages, cave networks, and dark ruins. However, working with Nocturans requires patience. They hear lies in breath, fear in pulse, and hesitation in silence.
Most surface factions find them unsettling but useful. Nocturans can carry messages through routes others cannot survive, detect hidden movement, and map dark regions without light.
They are most dangerous when provoked in darkness. Enemies should expect attacks from above, behind, or through unseen side passages.
Some rogue bands, often called Moonveil bands, are known to operate in black-market Nodes. These groups trade in captured screams, stolen echoes, forbidden sound-records, and information extracted from fear. Most Nocturan colonies consider such practices shameful, dangerous, or spiritually corrupt.
Entities generally treat Nocturans like any other race of Postremo Limine, though Nocturans are often better equipped to detect Entity movement before direct contact. Their survival depends on listening before the world gives visible warning.