The Steel Clouds are a very dangerous weather phenomena that occur above the Gold Swamp between Yutou Island and Area 8. Once Steel Clouds descend upon the swamp, death is guaranteed to all on its surface and the only way to avoid it is to dive into the swamp.
When the Steel Clouds form, there are only two possible solutions to crossing the Gold Swamp once more. One is to navigate through the swamp once the weather has ceased, however it may take many years before this could even happen, rendering this solution useless for anyone who needs to cross the Gold Swamp instantly. Another solution, which instantly diminishes the Steel Clouds and completely clearing the swamp of the weather, is for the ruler of Area 8, the Horse Monarch Heracles, to unleash a destructive breath that would annihilate the weather instantly however this solution can only be done if one gains Heracles' trust, which by then the Horse Monarch will assist those whom she trust.