Waveworn Residue 239 Development Materials A premium material used to break through weapons and upgrade skills for Broadblade Resonators.

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.
Sources
Synthesis
Forgery Challenge: Eroded Ruins