Su Yuan finds herself transported to Teyvat just as an inexplicable darkness sweeps across the realm, warping everything it touches. The ancient world fractures under this sinister influence, each nation bearing its own burden of corruption. For five centuries, Furina bore unbearable isolation to shield Fontaine from destruction. Victory gleamed on the horizon—until the creeping darkness consumed her mind, shattering what remained of her fractured soul. "Does anyone truly comprehend this endless void within me? Who can fathom the terror that devours every waking moment? Where is the voice that will acknowledge my anguish?" "How can I continue pouring myself into a thankless sacrifice? Are the people of Fontaine worthy of the price I've paid?"