The Divine Comedy is a poem written by the human poet Dante Alighieri in the 14th century on Earth. The Divine Comedy is widely considered the central epic poem of Italian literature and seen as one of the greatest works of Earth literature.
The Inferno is one of the three canticas that describe Dante's journey through the three realms of the dead. Inferno specifically describes Hell and its nine levels.
After being infused with catoms by the Caeliar scientist Inyx, former NX-02 Captain Erika Hernandez reflected that a petrified tree and her current existence reminded her of the Inferno, where traitors were not sent to fire and brimstone, but the Ninth Level of Hell and sealed into Cocytus where all thought and feelings died. (ST - Destiny novel: Mere Mortals)