The Shrine of Octum (オクトゥム神殿 Okutuumu Shinden), the God of Darkness, is found at the lowest level of the Sealed Land past the Labyrinth of Time. It is the closest place to Hades where the Hades Gate rests and because of that where Octum is revived.


Avin and his friends arrive at Octum's Shrine and find Bellias about to complete the ritual. Bellias transforms into a demonic form and fights them but is defeated. However, Eimelle is devoured by the God of Darkness who as a result is freed from his imprisonment. After a long and difficult fight, Octum is finally defeated and Eimelle is saved.
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