The cabin held the cold the way old stone holds a secret — patiently, without ceremony. Nova Brown sat at the wooden table, her fingers tracing the curve of a sentence she'd read a hundred times before. The ink was soft now, blurred at the edges where her thumb had pressed too often, too long. She knew every word by heart. That wasn't why she kept reading. The letter had arrived three weeks ago, tucked inside a book Alaric had left on her porch. No return address. No explanation. Just the same looping handwriting she remembered from childhood — her mother's hand, though her mother had been gone six years now. The paper smelled faintly of sage and dust. It always had. "Nova," the letter began, "when you read this, I will already be somewhere you cannot follow. But you will follow anyway. It's in your blood — the need to chase what vanishes. Just promise me one thing: when you catch it, don't ask it to stay. Some things are meant to pass through." She never had caught it. Whatever "it" was. The letter never said. But she'd chased the edge of that sentence for years now, through Okanogan's dry hills and into the fog that rolled down from the mountains at dusk. She'd chased it into the diner on Route 9, into the quiet of her own thoughts, into the space between sleep and waking where the world felt thin as a held breath. Below the floorboards, the Shoggoth hummed. It was a sound she'd grown used to — a low, constant thrum like the earth's own pulse, threaded through the cabin's foundation. It never spoke when she read the letter. It only listened. Sometimes she imagined she could feel its attention brush against her like a current, patient and vast, waiting for her to finish. She didn't cry tonight. She only traced the words, one more time, and let the cold tea sit untouched. Outside, the fog pressed against the windows, soft and white, erasing the world beyond the cabin's walls. The Shoggoth hummed. The letter waited. And Nova sat at the edge of something she still couldn't name — a threshold between what she remembered and what was coming. Tomorrow, she would fold the letter, tuck it back into the book, and step out into the fog. But tonight, she let her finger rest on the last word — "through" — and held it there until the hum in the floorboards grew steady as a heartbeat.