- Location: Immortal Battlefield (G-5) - From the passage on the left side of the room, throw shurikens across the waterfall to break the wall on the other side, revealing a Life Seal. Break the seal to unlock the chest.
- Description: Dramatically reduces damage taken while in magma. Magma + poison damage is slightly reduced, but still deadly.
- In-Game Description: A frosty cloak of ice. Wear it to negate almost all damage from falling into lava.
Main article: Treasures