Folded Steel
Folded Steel is created when an Ascended Grandmaster Blacksmith takes 9001 plates of regular steel and deftly mashes them into the same atomic width. It is known for being real strong, but heavy af, and a concentrated jet fuel maser can still melt through it. Even though it is much stronger than regular materials, it is still made of the pure Steel element. It is a crucial component to Harambium.
In the great Grassacre of n̶͘͟͡ņ̶͞҉n̶͞n̵͏ it was used in the construction of a few very advanced prototype lawnmowers, and a minor fault in the design led to the blades being snapped off as the motor sped up to a point at which it disintegrated. Many of the blades, which were made of Folded Steel, were never found. Theories range widely in the final resting place of the blades; from leaving the Dwaia entirely to them embedding themselves in the cottage of Miss Norris, who lived 20mm from the center of No-Cow's Land. She has yet to come forth with any evidence to support either statement, so it has remained a mystery to this day.