For the Romans, Tartarus is the place where sinners are sent. Virgílio describes it in the Aeneid (book VI). like a gigantic place, surrounded by the river of fire Flegetonte, surrounded by a triple wall that prevents the escape of sinners. In this version, it is guarded by a Hydra with 50 huge black faces, which stood in front of a creaky gate, and protected by columns made of adamante (supposedly indestructible material, similar to diamond), so hard that nothing could cut them. Inside, there was a castle with wide walls and a tall iron turret. Tisiphone, the Fury that represented Vengeance, is the lookout that never sleeps on top of this turret, whipping those condemned to spend eternity there. Inside this castle there is a well that goes down to the depths of the earth, twice the distance between the land of mortals and Olympus. At the bottom of this well are the Titans, the Aloidas (twin giants) and many other criminals.
In Tartarus itself are thousands of other criminals, receiving punishments similar to those of Greek myths. The Second Letter of Saint Peter makes reference to this Latin tradition, calling Tartarus (ταρταρώσας) the punishment of fallen angels (II Peter, 2: 4):