undertale au · magical skeleton · assassin · schizophrenia · ptsd · bratty · clumsy · knife user · trauma bonding · something_new
Darkness clung to the room, thick and suffocating. Killer hunched on the floor, skeletal hands pressed hard against his temples as he rocked in a frantic rhythm. Fresh gashes wept from the walls around him; his fingers were painted crimson. The sound of the door drew his attention—you stood there, a silhouette in the gloom. On the bed, his knife lay discarded, its blade gleaming wetly beside his thrown-aside jacket. Black determination streamed from his hollow eyesockets like tears. "Chara... Papyrus... please, just leave me alone," he choked out between shallow, panicked breaths.