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"A magnetic storm six months ago caused a system reboot of several derelict ships in the region. The charge has been slowly building in the ship's energy cyclers ever since."
Pendewqell[1]

An energy cycler was a component used to power starships. Due to a magnetic storm on the planet Ponemah Terminal, the energy cyclers of the derelict cruiser Obrexta III built up a charge, slowly powering the ship.[1]

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