Fort Rozz in action comics.

Fort Rozz a prision on the planet Krypton, This prision security and its inmates were thrown into the Phantom Zone. After Phantom Zone, projector exploded during a riot, The guards were instantly slaughtered by the inmates, anyone in the Phantom Zone who sets foot inside Fort Rozz turns solid. Unlike the rest of the Phantom Zone time passes normally inside Fort Rozz.

In other media

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