Make my sprite summon a Bone knife (hilt is the bone, size it like Cross Sans knife and put on his opposite hand that doesn't have the soul throw animation) or Bone sword (again hilt is the bone part) and animat it something similar to Cross in Underverse when he summons his giant knife. If you have to make the sprite sideways (if you know what I mean by that) before doing the bone knife or bone sword part
Credits to anyone who remixes this and does the challenge Sprite by me (@X_event_Sans) Theme by me (@X_event_Sans)