Hydlide (Nintendo/NES Games) The young knight, Jim, has a tough challenge: He must avenge the death of the king and save Princess Ann by destroying the devil Boralis and his monstrous companions. Jim comes face-to-face with many forms of evil - water dragon, vampire, zombie, sea monster, a moving forest, and fireballs. But the king's sword and shield are what he needs to conquer Boralis!