In “Blue Dragon”, “shadows” can fuse with their quot hosts quot . This is the history of the teenager, Ral, and his quot shadow quot , the Blue Dragon quot Grado quot , that his father, a king, imprisoned together in the dungeon of the castle when Ral was a young baby. One day, when the quot shadows quot besieges the castle, his personal educator, Mio, releases him to protect the castle and repel the “shadows”.
2006