Grab the Ar tonelico II: Melody of Metafalica - PlayStation 2 today! A mysterious epidemic called Infa Pira Dependency (IPD) is here and has been driving Reyvateils insane and killing them at the floating island of Metafalss. With it’s legend handed down by the people of Metafalss: the lost Song of Metafalica, the unravelling mysteries of planet Ar Ciel and the challenges that await. Young knight by the name of Croix has set out to contain the epidemic.