Resonators Monsters Weapons Items
LF Tidal Residuum Development Materials A material used for Weapon & Resonator Ascension and Skill Upgrade.

A friable formation resembling a stranded boat, often found on Tacet Discords in Rinascita. Legends say these once covered every shore as the Dark Tide receded.
Sources
Supply Pack
Synthesis - Conversion
Drop: Tacet Discords influenced by the Dark Tide
Store
Forgery Challenge
Weapon Shop