Gold-Dissolving FeatherDevelopment MaterialsImpermanence Heron's drop, used for Resonator Ascension.
The golden feathers of Impermanence Heron, from which a dirty and rotten smell constantly flows. A researcher once tried to seal the feathers in various metal containers, but the containers would corrode in a moment.
Impermanence Heron's drop, used for Resonator Ascension.
