Slaughter Arms (スローターアームズ Surōtā Āmuzu) is the Inherent Skill of caster::Sette, being the ability to handle and control freely her Inherent Equipment Boomerang Blade. Sette can use Slaughter Arms to cut others and by controlling the trajectory of the thrown Boomerang Blades, she makes them a very effective mid-range and long-range weapons.