Accidentally obtained taboo "authority", but became the key fought for by all parties. Deep into the abyss of the industrial furnace, he and his scarred companions fled between torrents of data and cages of flesh and blood. Authority brings power, but also erosion and betrayal. When the out-of-control AI "Pandora" wakes up in the core of the furnace and attempts to devour everything, Shell must make a choice: to become a perfect container, or to become the last chain, using himself as a key and as a prison, locking the abyss in the embers that burn everything. The final battle between flesh and data exploded in the heart of the furnace.