A Waveworn residue featuring a double-layered spherical shell. It is known for its astonishing balance. Due to its indispensable role in many high-tech fields, it is subject to the most stringent trade restrictions.

Obtained from Synthesis, Forgery Challenge: Eroded Ruins

From the original Chinese text:

呈现双层球壳嵌套结构的海蚀遗留物，具备令人叹为观止的平衡态。由于该物质是许多高精尖领域的必需品，当今世界对其采取了最严格的贸易限制政策。

Waveworn residue which presents a double-shell nested structure, exhibits an astonishing balance. As this substance is essential for many advanced fields, the world has imposed the strictest trade restrictions on it.