A vengeful spirit stalks the enrichment camp participants, while Roji, Lili and Maril enlist Ebisu's assistance. Muhyo takes the extraordinary measure of soliciting a contract with Hades Ruararie, but he must first prove his strength through combat.
Tomas prepares a display of "perfect despair" by opening up a Styxsand vortex that leads to Hell, placing Muhyo and the others in great danger. In order to escape, it falls to Roji to locate Tomas's Forbidden Magic Law book, the source of his power.
Nana has important information for Muhyo and Roji about the doll spirits. Muhyo coaches Nana about a technique she must perform, something he has never done for Roji. As the contest reaches its conclusion, Muhyo makes a surprise announcement.