Lethe alpha literally means "un-forgetfulness" or "un-concealment". Lethe, the river of forgetfulness, was one of the five rivers of the Greek underworld, the other four being Styx, Acheron (the river of sorrow), Cocytus (the river of lamentation) and Phlegethon (the river of fire). According to Statius, it bordered Elysium, the final resting place of the virtuous. Ovid wrote that the river flowed through the cave of Hypnos, god of sleep, where its murmuring would induce drowsiness. The shades of the dead were required to drink the waters of the Lethe in order to forget their earthly life. In the "Aeneid", Virgil
Chinese mythology on earth, and that adequate records are kept about the process. One example being Yánluó the wáng ("King Yanluo"). Various functions are said to be performed by minor officials and their minions, such as Ox-Head and Horse-Face, humanoid devils with animal features. The functions performed in Diyu tend to focus on punishment by torture according to the crimes committed during life, weighed against any merits earned through good deeds through a process of judgment. In some versions of mythology or Chinese folk religion, the souls are re-incarnated after being given the Drink of Forgetfulness by Meng Po. Much mythology involves