The hero of the game is a young man who finds himself on a desert island. On his way, he finds a chest containing a treasure. He is eager to discover what's inside and get his treasure, but on his way, he is attacked by a dragon. The dragon is not defeated, but its energy is used to help the young man to reach his goal. 

The treasure is the key to unlock the next dungeon. The next dungeon will have new challenges, new enemies and new treasures. The new enemies are stronger and have more powerful weapons than the previous ones. In order to survive, the young man must learn to use weapons and armor.