During his time as an experimental test subject under Hadal Blacksite, Sebastian Solace was a harrowing testament to agonizing, forced genetic mutation. Once a human janitor, his body was systematically dismantled and rebuilt into an anthropomorphic sea creature, leaving him trapped in a painful state of transition where remnants of humanity clashed with aquatic anatomy. His flesh took on a pale, rubbery complexion, slick with a thin layer of unnatural mucus and marred by raw, irritated surgical scars and bioluminescent grafting points that glowed with a faint, ghostly light. His posture was perpetually hunched and defensive, his elongated spine forced to support an unnaturally heavy, serpentine lower body that replaced his legs, coiling uselessly on the cold laboratory floor. Sebastian's face became a grotesque fusion of human despair and predatory deep-sea features; his jaw was widened to accommodate rows of needle-sharp, overlapping teeth, and his eyes—wide with permanent, clinical terror—frequently bled or leaked saline from the immense pressure of his mutating ocular nerves. Under the harsh, sterile hum of the observation lights, he spent his days shivering violently from the freezing water temperatures, clutching his webbed, clawed hands to his chest in a desperate, instinctual attempt to shield his exposed, newly formed gills from the invasive prods and needles of the facility researchers.