During the 48-hour stress test of the Advanced Trial, the Atelier placed the panel over a water fountain. The interaction was profound: The glass displayed low-frequency blue waves synchronized with a cello suite, while the real water flowed behind it. Observers reported a "phantom sensory crossing"—feeling like they could smell the colors. This is the goal of the IV series: to induce mild, controlled synesthesia.
As an "Advanced Trial," this installment serves as both an expansion of the first game's world and a more difficult mechanical challenge. IV AV-- 2 -Advanced Trial- -Glass Atelier-