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The Great Depth XIII (グレートデプス13, Gurētodepusu 13) is a submersible which appears in Mouretsu Pirates: Abyss of Hyperspace [1][2].


The ship has a spherical design, about 10m high,[3] with two cylinders strapped to the underside and a rotating engine in the back. The ship's name is written on the side of the ship, below a hatch. The hull shows a fair amount of wear and has a number of gashes across it [1][2].


Not much is known about the ship's technology but it is shown to be capable of diving into and travelling through subspace [1][2].


The Great Depth XIII was constructed by Professor Mugen and was used by him to explore subspace, discovering many new travel routes in the process [2].

Abyss of HyperspaceEdit

The ship appears at the start of the film, before Marika Kato and Kanata Mugen's search for Professor Mugen's legacy. It is featured on certain screens and documents during the events that occur, such as those found in the professor's workshop on Hrbek Oda [2].



  • The ship's design is similar to that of the Bathysphere.