World Underneath chapter 5, 'Long Lost Treasures,' consists of five audio-file entries set within Mo Art Studio on Rafayel's private island. Confirmed sub-titles: Submerged Rock (introductory piece), Audio File No.1: Mo Art Studio, Audio File No.2: Disappearance, Audio File No.3: Blue Fish, Audio File No.4: Shadow Underneath, Audio File No.5: Conflict. The Blue Fish audio file likely references Flammula or Lemurian sea-life imagery. Shadow Underneath and Conflict suggest tension relating to Rafayel's hidden agenda. Full transcripts not available.