Dis (Divine Comedy) in red-hot tombs. Beyond are rings of those who were violent—to others, to themselves (suicides), to God (blasphemers), to art (usurers), and to nature (sexual perverts). Beyond the ruins of Dis are the frauds and corruptors, and finally the traitors. In ancient Roman mythology, Dis Pater ("Father Dis") is the ruler of the underworld and is named as such in the sixth book of Virgil's "Aeneid", one of the principal influences on Dante in his depiction of Hell (the god was also known as Pluto, a name not used by Virgil in the "Aeneid"). The hero Aeneas enters the "desolate
Dis (Divine Comedy) halls and vacant realm of Dis" with his guide, the Sibyl, who correspond in "The Divine Comedy" to "Dante" as the speaker of the poem and his guide, Virgil. The walls of Dis are guarded by fallen angels, the Furies, and Medusa. Dante emphasizes the character of the place as a city by describing its architectural features: towers, gates, walls, ramparts, bridges, and moats. It is thus an antithesis to the heavenly city, as for instance described by St. Augustine in his book "City of God". Among these structures are mosques, "the worship places of the most dangerous enemies of