Shesheshen is a shapeshifting creature who lives on the margins of Underlook. Lacking a natural skeleton, she constructs her physical form using scavenged bones, objects, and organic material. She approaches the world with practical survival instincts, viewing most humans as threats or sustenance, until a chance encounter challenges her solitary existence.

Homily is a stocky, powerful woman who presents herself as a traveling researcher studying animal behavior. She constantly wears a scarf to conceal scars on her neck and operates with a deep-seated instinct to placate others. Despite being ostracized by the townspeople of Underlook, she extends unconditional care to those she finds wounded.

The Baroness is the formidable matriarch of the Wulfyre family and the ruler of the unincorporated barony surrounding Underlook. She wears a necklace strung with massive steel fangs, claiming to have slain a monster herself. She governs her family and her subjects through intimidation, claiming they are cursed by a supernatural creature she intends to destroy.

Epigram is a young noblewoman determined to win her mother's favor at any cost. Clad in armor, she acts as the family's aggressive enforcer and takes pride in theatrical displays of dominance. She views compassion as a weakness and targets those she considers beneath her, especially her own family members.

A bizarre, terrifying creature with gray flesh, three deer skulls for a head, and twisted branches functioning as legs. It acts purely on instinct and disrupts the power dynamics of the human hunting camp with its sudden, chaotic violence.

The wealthy and arrogant son of the Baroness Wulfyre. Catharsis fancies himself a great hunter and employs mercenaries to do the difficult work while he seeks the glory. He possesses no moral qualms about sacrificing innocent bystanders to achieve his personal goals.

A professional mercenary who makes a living hunting supernatural threats. Rourke travels with his partner Malik, trying to balance the extreme danger of his profession against the reckless orders of his wealthy aristocratic employers.

A career monster hunter who operates alongside Eoghan Rourke. Malik is observant and quick to identify supernatural threats, often finding himself caught between the reality of the monsters he faces and the political whims of the Wulfyre family.

The youngest member of the Wulfyre family. Having grown up in an environment defined by violence and power, she mimics the casual cruelty of her older relatives, treating captured animals as playthings rather than living creatures.

A massive bear with distinct blue fur that lives in the forests near Underlook. She represents the uncorrupted natural world and becomes an innocent casualty in the Wulfyre family's aggressive pursuit of the local monster.

A wealthy and opportunistic merchant in Underlook. He treats the local monster legends as a convenient economic hoax until he is forced to confront the reality of the supernatural creatures operating around him.