The ball opened as if remembering a hand; inside, a Pokémon stirred — a black-and-silver shape that was neither wholly dragon nor wholly machine, scaled like obsidian and rimed with mineral. Its eyes were closed. When they opened, Iris felt a sound like a chord strike her ribs. It was old enough to have seen glaciers melt and new enough to remember the hands that had built shelters. It had once been called an Engine Pokémon in a pamphlet she had read as a child, then a myth, then a name that had been scrubbed from registries when its kind no longer answered call or trainer.
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