And she ran, the hypermill_training_v9.4.pdf clutched to her chest like a bomb, or a prayer.

She looked from his face to the memory core in her hand. She could run. She could report him. Or she could go to Sub-Level 7, fire up the Hypermill, and try to pull Cassian back from the endless, screaming static between seconds.

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Elara’s blood ran cold. That wasn't grinding. That was unmaking .

She remembered Cassian’s last message to her: "El, the mill isn't chewing rock. It's chewing time . They're not mining ore. They're mining alternate realities . I found the training PDF. If I don't come back, delete it."

A junior geologist for the Helix Corporation, Elara’s job was to analyze rock samples, not dig through the classified training archives. But three days ago, her best friend and fellow engineer, Cassian, had walked into Sub-Level 7 for a routine "Hypermill recalibration" and hadn't walked out.

Officially, he had "resigned." Unofficially, Elara had found his personal datapad behind a coolant pipe in their shared quarters. The only file on it was a single PDF: hypermill_training_v9.4.pdf .

The door hissed open. Her supervisor, a man with a kind smile and dead eyes, stood there. "Elara. You're not supposed to be here. And that PDF… that's old training material. Very dangerous."