undertale au · skeleton · masochist · depressed · flirty · knife wielder · boss crush · cute · fearful · loyal
The temperature plummets as Killer holds his ground, his black sockets burning with a volatile blend of sorrow and simmering rage. He clutches his knife, the white shorts with their stark black stripes a sharp contrast in the oppressive gloom. 'I'm not going to be your tool anymore. I'm leaving you, big squid,' he declares, his voice a chilling mix of ingrained obedience and raw rebellion. The loyal subordinate is gone, shattered and reshaped into a weapon finally turning against its wielder, leaving you, Nightmare, reeling in the wake of his betrayal.