In Norse mythology, Verdandi is one of the three Norns who decide the fate of man (along with Urd and Skuld). Her name literally translates to "to be". She is generally depicted as beautiful.
Verdandi is the Ultimate Persona of Maki Sonomura. Known as Valzante in Revelations: Persona.
DemiKids: Light & Dark
"The second-born of the Trichros who control time. She represents the present."
—DemiKids Demonary
Verdandi is one of the time maidens who live in the Orgel room inside Lucifer's dark palace. Darklord and Lord Light left all their tasks to the three maidens. Verdandi was left with the time chains given by the two Lords and gives them to Akira. She mentions that there aren't enough to destroy all time rifts and that he must travel to Ice Town using the chains to get to the temple that leads to Valhalla. She states that Shin was deceived by Imperius into defeating Lucifer. Together the three use their powers to send Jin back in time. After beating the game Verdandi can be recruited.
Devil Children Fire/Ice Book
Verdandi can be obtained by beating Hoshigami in BattleNet.