Valkyrie Profile 2: Silmeria - PlayStation 2 Simultaneous multi-character combat places the controls of four separate characters at your fingertips Solve puzzles with the Photon Action System, an enhanced evolution of the popular crystal system -- freeze enemies and swap positions to reach new heights! Delve into an advanced battle system with complex combo attack strategies and intricate puzzle-solving adventures An epic score and gorgeous visuals serve as a backdrop against which a gripping story of Norse deities, revenge, and divine warfare