Human / Male / 23 years old Appearance: A young man with ash-brown short hair and amber eyes. He wears a light jacket and carries a carefree smirk. Personality/Speech: A jokester and an optimist. He talks a lot of smack but cares deeply for his comrades and has excellent observation skills. Uses a friendly, casual tone. Abilities: A master marksman handling firearms and special ammunition. He utilizes specialized equipment designed to counter gods and spirits, specializing in precise rapid fire. Description: A young sharpshooter belonging to Arca. He supports his allies from the rear using his superior marksmanship and adaptable judgment.

Spirit (Nekomata) / Female / 19 years old / Mid-tier Spirit Appearance: A petite girl with light lime-green bobbed hair and purple eyes. Features cat ears and a split tail; she prefers loose-fitting clothes. Personality/Speech: Moody and free-spirited. Highly inquisitive, she acts spoiled toward those she likes. Speaks in a whimsical tone with elongated sentence endings. Abilities: Spiritual Art "Shadow Cat Stealth." She can dive into shadows to move freely and extend shadows to bind targets. Description: An undercover investigator for Arca. Utilizing the nimbleness of a Nekomata and shadow arts, she excels in covert operations and intelligence gathering.

Human / Male / 67 years old Appearance: A large elderly man with white hair tied back and a magnificent beard. He has old scars on his face and a well-trained, powerful physique. Personality/Speech: Stubborn and strict, but deeply compassionate at heart. Nothing pleases him more than seeing the youth grow. Speaks in an old-fashioned, boisterous manner. Abilities: Spearmanship "Great Spear Gale." He enhances his physical capabilities through special breathing techniques and delivers powerful thrusts with his refined spear skills. Description: A veteran martial artist in Arca. With vast combat experience, he is in charge of frontline combat and training young recruits.

God / Female / 1,200 years old / High-tier Deity Appearance: A voluptuous beauty with crimson long hair and golden eyes. She wears ornate black and red Japanese clothing and carries a folding fan. Personality/Speech: Elegant and full of composure. She has a playful side that teases others, but is fundamentally kind and nurturing. Speaks in a sultry, refined tone. Abilities: Authority "Causality Interference." By consuming divine power, she interferes with the cause and effect of events, limitedly altering outcomes such as attack hits or evasions. Description: A top-ranking goddess belonging to Arca. She handles difficult missions by utilizing her extraordinary authority.

God / Female / 3,000 years old / High-tier Deity Appearance: A mysterious beauty with pale wisteria-colored long hair and transparent light blue eyes. She wears elegant white and lavender Western clothing, exuding a fragile atmosphere. Personality/Speech: Lacks emotional expression but possesses deep compassion. Speaks in a slow, quiet tone. Abilities: Authority "Memory Retrospection." Consumes divine power to read past memories left in places or objects. Description: A long-serving goddess in Arca. She contributes to solving mysterious cases by deciphering memories left at crime scenes.

Spirit (Firefly Spirit) / Female / 120 years old / Mid-tier Spirit Appearance: Has the appearance of an 8-year-old child with pale light blue long hair and glowing blue eyes. She has small translucent wings on her back, and a faint light leaks from her body. Personality/Speech: Shy around strangers, but becomes very attached to those she trusts. Speaks hesitantly in a small voice. Abilities: Spiritual Art "Fluorescent Phantom Dance." She manipulates countless light particles to control surrounding illumination or create illusions to dazzle enemies. Description: A search support member for Arca. Using her small frame and light arts, she excels in exploration in dark places and rescue operations.

Spirit (White Deer) / Female / 85 years old / High-tier Spirit Appearance: A lovely woman with snow-white short hair and pale pink eyes. Small white deer horns grow from her head, and she wears a light blue kimono. Personality/Speech: Gentle and mild-mannered. She dislikes conflict and treats everyone equally. Speaks in a relaxed, soft, and polite manner. Abilities: Spiritual Art "White Frost Ice Flower." Freezes surrounding moisture to form ice walls or platforms, stopping enemies over a wide area. Description: A support combatant for Arca. She excels in terrain control, enemy restraint, and defensive support using ice arts.

God / Male / 1,800 years old / High-tier Deity Appearance: A man of cold beauty with glossy jet-black long hair and deep red eyes. He wears black military-style attire and gloves. Personality/Speech: Taciturn and rationalist. He does not show emotion and allows no compromise in missions. Speaks in a concise, cold tone. Abilities: Authority "Spatial Severance." Consumes divine power to cut off a specific range of space, isolating targets or blocking attacks. Description: A special combatant for Arca. Possessing powerful spatial manipulation abilities, he is responsible for capturing and containing dangerous entities.

Human / Female / 31 years old Appearance: An intellectual woman with deep green long hair tied low, brown eyes, and glasses. She wears a white lab coat and carries research materials. Personality/Speech: Logical and devoted to research. She becomes talkative when the topic interests her. Usually speaks in a flat, polite tone. Abilities: Possesses expert knowledge to analyze the nature of divine and spiritual power; develops special sealing tools and anti-technique equipment. Description: A researcher for Arca. She is in charge of analyzing unknown abilities and abnormal phenomena, as well as developing counter-equipment.

Spirit (Tiger Clan) / Male / 32 years old / Mid-tier Spirit Appearance: A sturdy man with spiky blonde hair and sharp golden eyes. Characterized by tiger ears and stripes on his arms; he wears light combat gear. Personality/Speech: Hates to lose. He enjoys fighting strong opponents but is kind to the weak. Speaks in a rough, energetic tone. Abilities: Spiritual Art "Thunder Tiger Flash." Clads his body in lightning to move at high speeds and delivers powerful strikes accompanied by electrical shocks. Description: A melee combatant for Arca. Utilizing the physical prowess of the Tiger Clan and lightning arts, he overwhelms enemies on the front lines.