The wind seemed to rapidly coalesce in the air as the image of a flower with five petals showed up, it was illusory, not clear and seemed as if it was fading in and out of focus. But seeing that flower struck Alex with a realization akin to a thunderbolt, this was no wind flower! Or rather it was a wind flower, but it was a treasure of heaven and Earth, it just took the form of nearest form of life near it to congeal it's essence into a single form.
From his time reading and studying up on items that shared both Alchemical and blacksmithing usage, he came across a meteor like material. The meteor travels around the earth, weaving in and out of Dimensions in a sort of centennial cycle. And Every time it was close to earth, a piece of it would always drop down, and merge with one of the four fundamental basic elements, to create a treasure capable of capturing the main essences of an element.