The workshop was a skeletal remains of a life dedicated to precision. Now, it was a classroom for the macabre. Ren stood at the center of the room, his golden eyes moving with the rapid, twitchy focus of a hummingbird, while Valerius moved in a slow, methodical orbit around the body.

  "Alright, Detective," Ren said, his voice dropping the mockery for a moment of pure analysis. "Let’s talk about why Thistlewood had to go. He wasn't just a smith. Look at the slag in the corner. That’s not silver waste; that’s 'Null-Iron.' He was forging dampeners."

  Valerius knelt, her slate-gray coat fanning out. "Dampeners for what? The Federation doesn't record any high-output Ether sources in Oakhaven."

  "Because the Federation only looks at the surface," Ren countered, pointing a finger at the victim's workbench. "Thistlewood was Oakhaven's plumber. He didn't just make jewelry; he made the seals that kept the 'Static' from bubbling up through the floorboards. Someone didn't kill him for his gold. They killed him to take away the town's cork."

  Valerius adjusted her Truth-Lenses, the gears whirring. "Observation: The victim’s hands are burnt, but the silver wire on the table is pristine. Deduction: The 'Static' didn't come from his work. It was projected onto him. An execution, not an accident."

  Standing in the shadows of the doorway, Mayor Thaddeus P. Sterling leaned on his cane, his eyes narrowed as he watched the boy and the Inquisitor spar with logic. He was unusually quiet, his mind comparing the two. The Detective uses the Law like a scalpel, he thought, but the boy uses his eyes like a torch. One seeks to fix the world; the other just wants to see how it works.

  Beside the Mayor, Arthur stood like a pillar of unmovable stone. His gaze wasn't on the body, but on Kael and Elara. His veteran instincts were cataloging their stances—Kael’s coiled readiness, Elara’s rhythmic swaying. To Arthur, these weren't just orphans; they were weapons that hadn't been drawn yet.

  "He was killed because he found the Graft," Elara whispered from the corner, her sightless eyes fixed on the vibrating floorboards. "He heard a sound that didn't belong to the forest. A ticking that was faster than the town's heart."

  "Exactly," Thaddeus interjected, finally breaking his silence. He stepped forward, his boots clicking on the stone. "Thistlewood was a simple man. He liked his tea hot and his ledgers balanced. But he was also greedy. He started mapping the root system because he thought he could tap into a 'Deep Vein' for free energy. He found something else instead."

  Ren looked at the Mayor, his golden eyes dilating. "The map in the locket. It wasn't just a map of the roots. It was a map of a parasite."

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  "A parasite?" Valerius asked, her hand moving toward her tuning fork.

  "The Warlock didn't just arrive," Ren said, the realization hitting him like a physical blow. "He’s been here for years, growing alongside the town. Thistlewood found the 'Grafted Vein'—a piece of the Underground that shouldn't be here. And the moment he tried to measure it, the parasite bit back."

  Arthur shifted his weight, his eyes meeting Ren's for a split second. It was a look of mutual recognition—two survivors realizing that the hunt was no longer about a single murderer, but about an infection that had already taken hold of their home.

  So," Ren said

  Let's talk about our ghost. How does a Warlock—a walking, breathing violation of Federation Law—hide in a town where even the trees are eavesdropping?"

  Valerius adjusted her lenses, her expression clinical. "A Warlock from the Deep Veins usually leaves a trail of 'Static' so loud it would jam every instrument I own. They are unstable by nature. To be here, in the heart of Oakhaven, he would need more than just a cloak. He would need a 'Harmonic Anchor.'"

  "A what?" Kael asked

  "A disguise made of the local energy," Valerius explained. "He isn't hiding from the forest; he’s hiding within it. He has grafted his own signature onto the town’s pulse. To my sensors, he just sounds like another tree. Or another citizen."

  Thaddeus P. Sterling, who had been listening with a strange, dark amusement, tapped his cane against the floorboards. "The Detective is right. But she’s missing the 'Who.' Warlocks don't just wander out of the Underground because they like the fresh air. They are creatures of pacts and prices."

  The Mayor looked at Arthur, who gave a nearly imperceptible nod.

  "Oakhaven is a 'Magic Sink,'" Thaddeus continued, his voice dropping into a more serious tone. "We absorb the excess energy of the world. A Warlock here isn't a traveler; he’s a tick. He’s been feeding on the 'Emerald Veil' for years. He hid by being useful. He provided Thistlewood with the 'Raw Ether' needed for those high-grade dampeners. He wasn't a shadow in an alley—he was a business partner."

  Ren’s golden eyes dilated. "The 'Grafted Vein.' If he’s been here that long, he’s not just a tick. He’s a part of the plumbing. He hid because Thistlewood was the only one who could see the 'difference' between the silver and the rot. And the moment Thistlewood decided the rot was getting too big..."

  "He turned the 'Static' on him," Valerius finished. "An execution to protect a long-term investment."

  Elara, who had been standing by the window, suddenly stiffened. Her sightless eyes didn't move, but her head tilted toward the town square. "He’s not a stranger," she whispered, her voice trembling slightly. "The hum... it’s familiar. It’s someone who has been buying bread. Someone who has been walking these streets every day. He didn't hide by being invisible. He hid by being boring."

  Arthur stepped forward, his heavy presence grounding the room. "The most dangerous man in Oakhaven isn't the one with the loudest eyes, Ren. It's the one you've walked past a thousand times and never bothered to remember."

  Ren looked at the map in the locket again. The "Parasite" wasn't just under the tree. It was in the very fabric of the town. The realization was chilling: the killer wasn't a monster from the Deep Veins—he was a neighbor.