The Fillydelphia Crater was the site where a megaspell missile hit Fillydelphia in the heart of its civilian housing, missing its industrial sectors. It glowed red with radiation, and Red Eye sent slaves to mine the crater for radioactive material to power his technologies. Anypony who worked in the crater for six months were promised that they would be treated for radiation sickness and freed, but few, if any, ever actually survived.

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