All the enemies in the dungeon are Fire. Bring Water monsters to mitigate damage The main hazard is Iwatooshi. Every turn you will take 10800 damage. In order to prevent it is to grab a Potion that appears after the Fairy gets defeated. The Fairy will run away every 3 turns. There are Blocks in this stage. However, there are not that many so there is no need for Null Block.