F-rank dungeon<br />
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            Dungeon Divers. A term coined mostly by children but had a habit of sticking. It was the name of those adventurers who specialised in exploring and clearing dungeons. In the kingdom of Opal, dungeons were not simply a sudden display of madness on the behalf of an architect. They are not built, they appear. Magically summoned to literarily anywhere in the world. Manifesting in the form of a door. It could appear on any surface, such as a tr