This location exists primarily or exclusively within the Pre-Super Genesis Wave continuity.
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
For the city in Light Mobius, see Portal (Light Mobius).

Portal is a location in the Sonic the Hedgehog comic series and its spin-offs published by Archie Comics. It is a ruined city located on Onyx Island in 3437 P.X.E.


Portal is home to Edmund, the last Guardian of Onyx Island, who refers to the city as his. It is apparently a frequent resort for Silver the Hedgehog, as well as the apparent home of Mammoth Mogul. Prominent features of the city include a library containing fragmentary records of Mobius' past, as well as a large statue of Lara-Su.[1]


  1. Sonic the Hedgehog #215, "Future Tense Part One"

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