For instance, Fairy Iron must be obtained and forged into shape under extremely low temperatures. To handle such materials, one needs to artificially create such extreme environments.
In the past, extracting this type of material often required the collaboration of an Elementalist skilled in Ice Magic, requiring two people to complete the task.
But in the year 341, Alchemists from the Osh Empire invented the 'Low Temperature Chamber'; later, the Emerald Bird Workshop further improved it and invented the 'Elemental Workshop' based on it.
This allowed Alchemists to independently extract and produce such metals.
However, the series of equipment required for the 'Low Temperature Chamber' would take up the space of at least two cabins if placed on a ship.
Of course, Fang Hong doesn't need such an advanced Alchemy Laboratory at the moment — but this is just an example, as Eteliria hosts a variety of magical animals and plants, and various minerals.
