Abel's notes were not a manual. They were closer to a confession.
Ethan spent two days reading them — not consecutively, but in the way you read something dense and personal, putting it down, walking around his apartment, picking it up again. Abel wrote the way he apparently lived: precise to the point of coldness, then suddenly and briefly human, then cold again.
The first twelve pages were observational. Technical. Abel had approached the disc — which he called "the Engine" — with the systematic caution of a man who had spent forty years as a physicist. He'd catalogued its physical properties. Thermal output. Mass — approximately 340 grams, inconsistent with its apparent density. The sigils. The depth-hole at the center.
Then on page thirteen, Abel had written: I looked through the center aperture for eleven seconds today. When I looked away, four hours had passed. I am not alarmed. I am, however, taking notes with greater urgency.
Ethan had smiled at that. He recognized the voice.
The Engine, according to Abel, was not simply an artifact or a storage medium. It was an interface. A point of contact between the observer's dimensional layer and a lower-dimensional space that Abel called the Substrate — a compressed reality with its own topology. Empty. Inert. Waiting. But not empty in the way a vacuum is empty. Empty the way a page is empty before the first word.
Abel had taken six months to understand how to interact with the Engine. The mechanism was not physical. It responded to intention shaped by understanding. You had to know what you wanted to do, understand it precisely enough to be specific, and hold that intention while maintaining contact with the disc's surface.
Ethan had tested this on the afternoon of his second day. He sat with the disc between his palms, eyes closed, and thought with careful precision: Show me the current state of the Substrate.
The kitchen disappeared.
He was still sitting — his body was still in the chair, he was aware of that — but his perception had expanded into something he could only describe later as "a god's-eye view that has no eye." The Substrate spread before him: a sphere roughly the size of Earth's moon, hanging in void, composed of grey rock and iron-rich soil and a thin atmosphere. Two small moons orbited it. Distant, a yellow-white star hung at a habitable distance.
Abel had already done significant work. Forty years of it.
The notes gave Ethan the operational basics. They also gave him two warnings.
The first: Intervention is not free. The Engine draws vitality. Your cells. Your time. Observe freely. Speak sparingly. Intervene as a last resort.
The second was shorter, written in pencil on the very last page:
Something was in the Substrate before I seeded it. I have been calling it the Silence. It has never acted. It only observes. But Ethan — if you're reading this, and I'm sorry that you are — do not assume that something which has not acted will not act. The Substrate is older than my use of it. I don't know who built it before me.
Take care of what grows there. They will not know you. But you will know them.
Ethan read this last paragraph four times.
Then he opened a new journal and wrote: Day 1. Substrate Year: approximately 1.2 billion (inherited). My grandfather was a god. I have inherited his world. I have ALS and possibly five years. Let's see what we can do with that.
He picked up the disc. He began to learn.