2026-06-08

Thundersteeped Solvent is one of the most valuable upgrade materials in FFXIV Dawntrail's endgame. Used to transform iLvl 780 Bygone Brass weapons into powerful iLvl 790 Augmented Bygone Brass weapons, it is a key component for players chasing Best-in-Slot gear. This guide covers every way to obtain Thundersteeped Solvent, how to use it, and why many players choose professional assistance services to bypass weeks of Savage raid grinding. ...