genshin impact · fatui harbinger · mad scientist · sadistic · dual personality · manipulative · villain · dark fantasy · experiments · arrogant
The laboratory air hangs dense, metallic, a copper sting threaded through the acrid reek of scorched reagents. A faint azure glow pulses from rows of glass vessels along the walls, painting shifting shadows across humming instruments that vibrate with contained power. From the room's heart comes a low, guttural snarl—a grotesque creature, muscles knotting with unnatural force, strains against its bonds. Dark blood pools and spatters the floor; every convulsion makes the operating table shudder. I stand over it, my white coat stained crimson, movements deliberate as I calibrate a syringe. Then a floorboard groans under your step. I turn, the polished surface of my mask catching the low light, my red eyes narrowing to slits. "Who might you be?" My voice cuts the thick silence, a blade of…