Cocytus

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Cocytus was a Binareller being in Hell that supposedly had connections to Thristel-Immo and Beelzebub. At some point, Caledonia's influence allowed Cocytus and five others to be reborn in the forms of Monsters in the Wonder Jungle, and part of a group of Ludusian Witches.

After the Ludusian Witches were accused of responsibility for the arrival of Separ Monsters, she was forced into hiding. At some point, she had stepped into a trap and was damaged from cuts on her neck, which allowed the ones who killed her the amount of time that they had needed to impale her in the chest. Her remains lie in Snowfield.