Shadow Galactica been played by two actresses, Haruko Yamaguchi and Megumi Wakamatsu. and appear only in Act 48 of the manga. Sailor Lethe is named for a naiad in Greek mythology, and for a river of the Greek underworld where dead souls go to forget their past lives before being reincarnated. Sailor Mnemosyne is named for the Titaness of memory, the mother of the muses, as well as another river in the underworld which brought remembrance and omniscience. Sailor Lethe has an attack called "Galactica Myosotis Alpestris", which she used to attack Usagi. Myosotis alpestris is the name of an alpine species
Book of the Dead regarded as the aspect of being which included intelligence and memory, was also protected with spells, and in case anything happened to the physical heart, it was common to bury jewelled heart scarabs with a body to provide a replacement. The "ka", or life-force, remained in the tomb with the dead body, and required sustenance from offerings of food, water and incense. In case priests or relatives failed to provide these offerings, Spell 105 ensured the "ka" was satisfied. The name of the dead person, which constituted their individuality and was required for their continued existence, was written in many