The beautiful princess was captured by the devil. Finn decided to rescue the princess. This is a very dangerous task, because the princess is trapped in the deepest part of the demon castle, and there are hundreds of monsters and zombies in the castle, they will attack For all invaders, Finn decided to upgrade his weapons and potions to save the princess through the power of magic, so he must always pay attention to the monsters on the road ahead. If he finds a monster, he must kill the opponent and collect the opponent's weapons and potions. These magical things are necessary to defeat the devil.