Classification:
Cursed Humanoid
Threat Level:
💀💀💀💀
Region:
Southeast Asia: Philippines
First Sighting:
1500s
Bureau Abstract
The Aswang is a polymorphic predatory entity endemic to the Philippine archipelago, capable of maintaining human appearance during daylight hours while assuming grotesque hunting configurations after dark. The entity demonstrates heightened sensory capability, an elongated proboscis-like tongue adapted for visceral extraction, and a marked predilection for pregnant women and young children as primary prey. Transmission occurs through direct fluid exchange during feeding events, with infection probability exceeding 85% upon contact. Transformation is irreversible once complete. Termination is authorised upon confirmed identification.
The Legend
In the dense thickets of the Philippine archipelago, where the canopy of palms and mahogany chokes the moonlight, villagers speak of a silence more terrifying than any sound. It lingers after dusk: a prelude to the horrors that might unfold. Children cling to their mothers as nightfall claws at the edges of their bamboo huts, and cattle grow restless in their pens, drawn tight with unease. In these hours, when the air itself seems to hold its breath, tales of the Aswang creep from shadowed lips, whispered behind closed doors.
Tales of a creature that slips through the village like a sinuous wraith, its grotesque hunger insatiable; an eater of flesh and unborn souls. In the murky veil of night, the Aswang hunts, and fear becomes a living entity, saturating the air thick as the scent of rotting fruit and damp earth.
This is not merely a warning. It is a reaffirmation of the terror etched into the very fabric of life here. For in this place, when the darkness reigns supreme, the Aswang prowls, and the boundary between the hunter and the hunted becomes perilously thin.
Origins & Anchors
Designation: Homo vorax, the Consuming Self
Origin: The Aswang emerges from the intersection of violent death, profound betrayal, and the specific spiritual cosmology of the Philippine islands. The entity does not simply manifest; it is cultivated through trauma, through bloodlines already marked by ancestral dealings with forces beyond conventional understanding, through the psychic residue of acts so terrible they leave permanent scars on the local metaphysical substrate.
Generation Mechanism: Documented emergence events cluster around two primary vectors. The first involves individuals who experience intense emotional strife at or near the moment of death, particularly through murder or betrayal; the desire for vengeance or survival becomes the catalyst for transformation. The second, and operationally more concerning, involves hereditary transmission: families harbouring ancestral ties to the entity produce offspring with latent predisposition to the condition, which may activate under sufficient psychological stress or through deliberate ritual induction.
Physical Anchors: The Aswang maintains its tether to the material plane through specific environmental and bloodline conditions:
- Sites of Violence: Battlefields, execution grounds, and locations where violent deaths occurred without proper ritual closure serve as persistent attractors. The collective trauma embedded in such sites amplifies the entity’s connection to our reality.
- Bloodline Artefacts: Objects belonging to deceased Aswangs or individuals connected to afflicted lineages may function as conduits, facilitating the entity’s manifestation and enhancing its manipulative capabilities. Heirlooms and ceremonial implements are particularly potent.
- Cursed Lineages: The transformation can be hereditary, with subsequent ancestral traumas compounding the likelihood of future generations manifesting the condition. These families often exhibit subtle behavioural anomalies detectable through careful observation over extended periods.
Cultural Lore
The Aswang occupies a position of singular dread within Filipino folklore, a creature so deeply integrated into the cultural fabric that its influence extends from pre-colonial oral traditions through to contemporary social behaviour. The first recorded documentation by outsiders appears in Spanish colonial accounts of the sixteenth century, where chroniclers noted with evident unease the entity’s integration into local society as a feared and persistent presence.
Regional variation is significant. The Visayan, Bicol, and Tagalog regions each maintain distinct traditions regarding the Aswang’s specific capabilities and preferred prey, though core characteristics remain consistent across accounts: shapeshifting ability, nocturnal predation, and a particular appetite for the vulnerable. By day, the Aswang appears as an ordinary townsperson, blending seamlessly into human society. By night, it reveals its predatory nature, often assuming the form of a large dog, pig, or bird before targeting victims.
The traditional folklore emphasises the entity’s use of an elongated, proboscis-like tongue to extract blood and viscera from its prey. This ties the Aswang closely with themes of disease, death, and societal disruption. Beyond individual narratives, the Aswang serves as a cautionary archetype within communities, used to promote social cohesion and compliance with established norms. The warning to children to stay indoors after dark is not merely protective; it is a ritual acknowledgment of something that genuinely waits in the darkness.
Modern media interpretations have inevitably introduced divergence from traditional accounts. Contemporary films and television frequently categorise the Aswang within broader vampire or zombie frameworks, emphasising bloodsucking characteristics while diminishing its shapeshifting capabilities and specific cultural context. This reductionism is operationally dangerous: field agents briefed on generic vampire protocols are not briefed on the Aswang’s distinct behavioural patterns and vulnerabilities.
Habitat & Territory
The Aswang is primarily documented across the Philippine archipelago, with highest concentration in the Visayan Islands, Bicol region, and rural Tagalog provinces. It favours environments that provide both concealment and proximity to human populations: the transitional zones between dense forest and agricultural settlement, the edges of barangays where isolation increases vulnerability, the coastal regions where fishing communities operate with minimal defensive infrastructure.
Terrain selection is deliberate. The entity exploits the dense tropical vegetation for daytime concealment and nocturnal approach routes. Bamboo groves, mangrove swamps, and the shadowed corridors beneath mahogany canopy provide optimal conditions for its hunting methodology. The entity demonstrates particular affinity for areas with poor electrical infrastructure; darkness is not merely preferred but operationally essential.
Territorial behaviour varies between solitary specimens and clan structures. Some Aswangs maintain exclusive hunting grounds, while others form loose affiliations that enhance predatory efficiency and territorial control. Field analysts have documented instances of multiple entities coordinating to exploit larger settlements, with clear division of hunting zones that suggests cognitive territorial mapping.
Of operational note: the entity’s habitat range is expanding beyond traditional rural environments. Urban migration patterns in the Philippines have produced documented Aswang activity in peri-urban zones, where informal settlements and inadequate lighting create conditions approximating traditional habitat. Geographic safety assumptions based on urbanisation alone are no longer reliable.
Anatomy & Biology
Bureau Biological Survey: Homo vorax
The Aswang presents a unique anatomical profile characterised by radical polymorphism between diurnal and nocturnal states. During daylight hours, the entity maintains human appearance with sufficient fidelity to evade casual detection. Core temperature remains consistently 2-3 degrees Celsius below human baseline; thermal imaging provides the most reliable identification method in daylight conditions.
Nocturnal transformation involves substantial morphological restructuring. Documented configurations include:
- Canine form: Quadrupedal locomotion, enlarged dentition, estimated mass 40-60 kilograms
- Avian form: Wing membrane development, reduced body mass, enhanced visual acuity
- Ghoul configuration: Bipedal, elongated limbs, distended jaw structure, grey-tinged integument
The most distinctive anatomical feature is the elongated proboscis-like tongue, which extends up to 1.5 metres and terminates in a needle-like point capable of penetrating dermal layers. This appendage serves as the primary feeding mechanism, facilitating extraction of blood and visceral material from prey.
Sensory enhancement is marked. The entity demonstrates heightened olfactory capability (estimated 50 times human baseline), exceptional low-light visual acuity, and hyperacusis that allows detection of foetal heartbeats through structural barriers. These adaptations support its predation methodology and must be accounted for in any engagement planning.
Regenerative capability is confirmed but operates within limits. Wounds from conventional weapons heal within hours; silver and consecrated materials inhibit this process significantly. Complete dismemberment followed by incineration remains the only confirmed method of preventing recovery.
Behavioral Characteristics
The Aswang is a deliberate, patient predator rather than an opportunistic one. It selects targets through extended observation, often maintaining human cover within a community for days or weeks before initiating a predation event. This surveillance phase allows identification of optimal prey: pregnant women, infants, the infirm, and isolated individuals.
Social structure varies. Some specimens operate as solitary hunters maintaining exclusive territories. Others form clan-like affiliations with observable hierarchy, coordinating hunting activities and territorial defence. These clan structures enhance both predatory efficiency and resilience against organised response efforts.
Circadian rhythm is rigidly nocturnal for predation activities. The entity demonstrates severe aversion to UV light exposure during hunting configurations; daylight transition forces reversion to human form. However, the human configuration can operate in full daylight without apparent detriment, allowing the entity to maintain community integration during observation phases.
Dietary requirements centre on human biological material, with documented preference for foetal tissue, infant viscera, and the blood of pregnant women. This targeting pattern is not random; the entity derives enhanced metabolic benefit from these specific prey categories. Livestock predation occurs but represents secondary opportunistic feeding rather than primary sustenance.
Psychological profile indicates retained cognitive function, including capacity for deception, strategic planning, and apparent emotional response. The entity experiences something resembling hunger, satisfaction, and what survivors have described as malicious enjoyment. It is not mindless. This makes it significantly more dangerous than purely instinct-driven predators.
Tracking Signs & Protocol
The Aswang leaves a forensic signature that becomes recognisable with experience, though the entity’s shapeshifting capability complicates conventional tracking methodology.
Physical Indicators:
- Predation Evidence: Victims display puncture wounds resembling needle marks, typically on the upper body or extremities. Significant blood loss without proportionate external trauma suggests Aswang feeding. Pregnant victims may present with apparent spontaneous foetal loss despite absence of obstetric complications.
- Livestock Patterns: Unexplained animal deaths with puncture wounds and blood loss, particularly when clustered within a specific geographic area over a compressed timeframe.
- Environmental Disturbance: Claw marks on exterior walls of dwellings, particularly near windows or roof access points. Unusual accumulation of feathers or animal hair near potential entry points.
- Auditory Signature: The Aswang produces distinctive vocalizations during hunting, described variously as a “tik-tik” sound (growing fainter as the entity approaches) or eerie wails. These are not random; they serve to disorient prey and mask approach direction.
Atmospheric Indicators:
- Pervasive sense of dread or unease reported by individuals within 100 metres of an active Aswang
- Unusual silence from local wildlife, particularly dogs and roosters
- Unexplained cold spots in tropical environments
Tracking Protocol: Thermal imaging is essential for daytime identification; the entity’s subnormal body temperature is the most reliable distinguishing characteristic when in human form. Nocturnal tracking should employ UV lighting to force form disruption. Never track alone; the entity exploits isolation with lethal efficiency.
Encounter Survival Protocol
An unplanned encounter with an Aswang outside controlled operational parameters represents a critical-severity event. The following protocols are derived from survivor accounts and represent current best practice for survival maximisation.
Do not assume daylight safety. The entity maintains full cognitive function and physical capability in human form during daylight hours. If you have identified an Aswang, it has likely already identified you.
Employ UV light immediately. High-intensity ultraviolet flashlights disrupt the entity’s transformation capability and cause disorientation lasting 15-30 seconds. This window must be exploited for escape or engagement preparation, not observation.
Create aromatic barriers. The entity’s heightened olfactory sensitivity makes garlic-based compounds an effective deterrent. Garlic spray can create temporary perimeters or buy critical seconds during withdrawal. Direct exposure may trigger immediate retreat.
Protect vulnerable individuals. If pregnant women or young children are present, they must be prioritised for evacuation. The Aswang will target them preferentially, and this targeting behaviour can be exploited to predict its approach vector.
Do not engage at close range without silver weapons. Conventional weapons cause temporary incapacitation only. Silver disrupts regenerative processes and causes lasting damage. If silver is unavailable, disengage and maintain distance until properly equipped backup arrives.
Wound response: Any bite, laceration, or puncture from an Aswang must be treated as a confirmed biohazard event regardless of apparent severity. Infection probability upon direct fluid contact exceeds 85%. Immediate isolation and medical intervention are mandatory.
Containment
Containment of a live Aswang specimen is a high-resource operation requiring sustained infrastructure support and should not be attempted without prior Bureau authorisation.
Physical Chamber:
Construct a reinforced subterranean chamber with walls no less than 3 metres thick, composed of high-tensile steel alloy with silver-plated interior surfaces. Minimum internal dimensions of 5x5x4 metres to accommodate transformation between forms. Dual airlock entry system; no single-door access under any circumstances.
Restraint Systems:
Silver-infused restraints are mandatory. Configuration must include manacles for both humanoid and quadrupedal limb arrangements, plus cervical collar. The silver content disrupts the entity’s transformation capability and acts as continuous deterrent against escape attempts. Restraints require inspection every four hours; the Aswang has demonstrated patience in working restraint mechanisms.
Environmental Controls:
UV light arrays installed at ceiling level, operated at three-hour intervals to maintain the entity in a weakened state. Brief intervals between exposures prevent equipment fatigue while ensuring continuous suppression. Temperature maintained at standard to avoid masking thermal detection capability during monitoring.
Biohazard Protocols:
All personnel entering the containment area must wear Level IV biohazard suits with silver-threaded fabric reinforcement. The chamber must include airlock systems with HEPA filtration to mitigate airborne contagion risks. Post-interaction decontamination includes chemical showers and UV sterilisation. All materials contacting the entity require incineration or high-level chemical neutralisation.
Monitoring:
Continuous video surveillance with motion and thermal sensors. Thermal monitoring is particularly critical given the entity’s temperature differential from human baseline. Automatic alert systems must trigger immediate countermeasures upon detection of transformation attempts or escape behaviour.
Quarantine Protocol:
Personnel exposed to the entity undergo minimum 30-day monitoring with regular blood screenings for pathogen presence. Symptoms typically manifest within 12 hours of exposure; any personnel exhibiting fever, dermatological changes, or behavioural anomalies require immediate isolation.
Termination Protocol
Confirmed Vulnerabilities: Silver causes severe tissue damage and inhibits the entity’s regenerative capability. Consecrated salt disrupts physiological stability and causes immobilisation. UV light forces form disruption and causes disorientation but is not independently lethal. Complete incineration is required to prevent recovery from partial destruction.
Confirmed Immunities: Contrary to media depictions, the Aswang exhibits no aversion to garlic beyond olfactory discomfort, and no vulnerability to sunlight while in human form. Conventional ballistic trauma causes temporary incapacitation only.
Field Termination Sequence:
- Identification and Immobilisation: Deploy UV flashlight to disrupt transformation and disorient the entity. If available, apply consecrated salt to exposed tissue to cause physiological disruption and immobilisation.
- Decapitation: Employ reinforced bladed weapons composed of silver or cold iron. A boline, machete, or tactical blade of minimum 18cm length is appropriate. Sever the head in a single, powerful strike to ensure complete separation from the body.
- Cardiac Destruction: Following decapitation, perforate the cardiac region repeatedly with a pointed silver weapon until total heart obliteration is achieved. Silver’s properties inhibit residual life forces and prevent revival attempts.
- Incineration: Collect all bodily remains including the head. Utilise high-temperature incineration at minimum 1,100 degrees Celsius to ensure complete combustion. This procedure is mandatory within a confined environment to control atmospheric contamination from residual ectoplasmic materials.
- Verification: Engage thermal scanning to verify complete cessation of all Aswang activity. Ensure remains are reduced to fine ash before securing for disposal.
Warning: Do not approach a downed Aswang without confirmed cessation of thermal signature. The entity has demonstrated capacity to feign incapacitation, and partial destruction accelerates regeneration attempts.
Recommended Field Kit
Quartermaster Directive: Aswang Engagement Package
- Silver Dagger: Minimum blade length of 18cm, full tang construction for close-combat lethality. Silver disrupts the entity’s regenerative capability and causes lasting tissue damage. Essential for cardiac destruction phase of termination protocol.
- UV Flashlight: High-intensity ultraviolet emission, minimum 395nm wavelength. Exposes the entity in transformed states, causes disorientation, and forces form disruption. Provides tactical window of 15-30 seconds for repositioning or engagement preparation.
- Garlic Extract Spray: Concentrated aerosol compound exploiting the entity’s heightened olfactory sensitivity. Creates temporary perimeter barriers or buys critical seconds during tactical withdrawal. Direct exposure to facial region may trigger immediate retreat.
- Thermal Imaging Scope: The Aswang maintains body temperature 2-3 degrees Celsius below human baseline even in human form. Thermal imaging enables rapid identification within crowds, ensuring positive identification before the entity can slip away or initiate predation.
- Blessed Salt Rounds: Shotgun ammunition loaded with consecrated salt. Provides dual-function engagement: kinetic disruption of physical integrity combined with sanctified material burning through corrupted energies. Effective for creating engagement distance and slowing regenerative processes.
Recent Sightings
Log Entry 4892-A Date: 16 March 2017 | Location: Capiz Province, Panay Island, Philippines Local barangay officials reported unusual livestock deaths over a two-week period. Examination revealed animals with puncture wounds and significant blood loss inconsistent with known predator activity. Late-night patrol observed a gaunt humanoid figure with leathery wings matching Aswang morphological parameters. Entity demonstrated evasion tactics, breaking visual contact in dense forest terrain. Site flagged for ongoing monitoring; residents advised on protective measures. Classification: Credible. Regional monitoring enhanced.
Log Entry 4892-B Date: 2 October 2019 | Location: Rural village, Davao Oriental, Mindanao, Philippines Multiple witnesses reported nocturnal disturbances including vocalizations consistent with documented Aswang auditory signature and persistent sensation of observation. One witness followed sound source and observed entity fleeing on all fours at speed inconsistent with human capability. Physical evidence recovered: claw marks on structural timber, unusual foot impressions in soft earth confirming non-human morphology. Community patrols initiated; no subsequent encounters reported. Classification: Credible. Bureau Liaison notified.
Log Entry 4892-C Date: 12 June 2023 | Location: Offshore waters, Siquijor Island, Philippines Night fishing party encountered aerial entity approximately three nautical miles from shore. Initial manifestation presented as shadowy silhouette hovering above water surface. Entity approached vessel but retreated upon exposure to high-intensity flashlight beams. Crew reported pervasive dread and auditory hallucinations during encounter, consistent with documented Aswang proximity effects. Coast Guard alerted; reinforced patrols deployed to area. Classification: Confirmed. Bureau Case File opened.
Media Myths
The Aswang has achieved modest international visibility through Filipino horror cinema, and that visibility has generated predictable operational complications.
Myth: Garlic and sunlight are effective deterrents. Media consistently portrays these elements as reliable defences. Field documentation confirms no meaningful aversion to either. The entity operates freely in daylight while in human form and experiences garlic as olfactory discomfort rather than genuine deterrent. Silver weapons and UV light are effective; garlic and sunlight are not.
Myth: The Aswang is a vampire variant. Western media frequently categorises the entity within generic vampire frameworks, emphasising blood consumption while ignoring its shapeshifting capability and visceral feeding methodology. The Aswang is not a vampire. Its proboscis-tongue extraction of internal organs represents a fundamentally different predation model. Protocols designed for vampiric entities are inadequate.
Myth: The Aswang is a solitary creature. Cinematic portrayals consistently depict lone entities for narrative simplicity. Bureau field data documents clan structures in significant numbers of confirmed cases, with coordinated hunting behaviour and territorial division. Identifying one Aswang does not preclude the presence of affiliated entities.
Myth: The entity has uniform appearance. Films frequently present standardised monstrous features for visual consistency. The Aswang is a polymorphic shapeshifter capable of assuming multiple distinct configurations. Its human form is indistinguishable from baseline population without thermal imaging. Expecting a recognisable “monster” appearance creates fatal identification delays.
Myth: Killing the sire reverses infection. No documented case supports this narrative convenience. Transformation is irreversible once complete. The infected individual’s connection to their progenitor terminates upon full manifestation; the sire’s death produces no restorative effect.
Read more Cursed Entities entries here.
Required Bureau Reading
The following titles are verified holdings in Bureau Archive Libraries. Affiliate acquisition links maintained by Bureau Quartermaster.
- Philippine Folk Literature: The Myths by Damiana L. Eugenio
- Philippine Mythical Creatures: Journey Through Time with the Aswang ,Manananggal, Kapre and the Creatures of Philippine Mythology
Required Bureau Viewings
Approved for field agent orientation and cultural context familiarisation.
Recommended Simulators
Designated Digital Combat Familiarisation Resources: Southeast Asian Supernatural Theatre.




